New ACDelco Garage Series Offers Product Info, Service Tips

2015 ISSUE 6
2015 ISSUE 6
O v e r
1 0 0
Ye a r s
o f
E x p e r i e n c e
New ACDelco Garage
Series Offers Product
Info, Service Tips
ACDelco is increasing its social
presence on the Internet with an
informative, and entertaining, new
video series called “ACDelco Garage.”
The video series, which appears on ACDelco’s YouTube channel and on ACDelco
Web sites, features interesting, smartly scripted vignettes about various
products, service and maintenance tips, vehicle attributes and more.
WHAT’S INSIDE
IN THE NEWS
Simplified ACDelco brake lineup....................................
pg 2
2016 Chevy and GMC HD truck new features..........
pg 8
Vintage Nova with a modern heart................................ pg 15
the service bay
New engine oil pressure sensor job aid.........................
pg 3
Diesel exhaust fluid basics................................................
pg 6
New Service Information features................................. pg 10
training
Master technician earns medallions..............................
New battery and engine electrical seminars...............
The first video released in the series, “How to Winterize Your Car: Fall Car
Care,” is just over three minutes and offers a look at how service centers and
their customers can prepare for winter. In the episode, two hosts explain the
importance of winterizing vehicle components such as tires and windshield
wipers as well as the importance of packing warm clothes, a flashlight and other
items in case of emergency.
It stresses the importance of preparing a vehicle for winter with the help of
ACDelco, all with a humorous delivery. Like most of the additional videos
planned for the new series, the “Winterize” episode is aimed at car owners and
is an excellent reference for your customers.
In total, the ACDelco Garage web series will release 15-20 episodes covering
various topics to highlight the outstanding quality and service ACDelco delivers.
Inside the new Detroit training center..........................
Training schedule...............................................................
pg 3
pg 4
pg 12
pg 16
product
New GM OE engine mounts............................................
pg 9
New Professional starters and alternators.................. pg 15
running the business
Tech2Win tutorials simply software installs................
pg 5
GM ASEP students in social media challenge.............. pg 11
ACDelco releases new CONNECTION catalog......... pg 14
tech tips
Oil leaks in cold temperatures.........................................
pg 8
Body harness short electrical conditions.....................
pg 9
Diagnosing high-speed LAN concerns.......................... pg 13
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2015 ISSUE 6
ACDelco Brake Lineup
Simplified Using the Same
Quality Products, Coverage
To help installers and consumers better understand
the choices in its good, better and best tiers, ACDelco
is simplifying the branding of its brake offerings. Now,
ACDelco’s “better” line includes all makes/all models in its
aftermarket brake tier under the name “Professional.”
The Professional brake line provides premium aftermarket
brake coverage for 95 percent of all domestic and import
vehicles in North America. The simpler naming strategy also brings clarity to consumers considering brake options at repair
facilities. ACDelco’s brake tiers now include:
GOOD
BETTER
BEST
The ACDelco Advantage
tier consists of more
than 2,200 SKUs and
offers aftermarket
pads, shoes, drums
and rotors for GM and
non-GM makes and
models. Advantage
brake friction and
drums/rotors feature
the fit, form and function
of premium brakes
at a value price. They
provide a 12-month/
unlimited miles warranty
for consumers seeking
ACDelco quality at a
more economical price.
The ACDelco Professional
line is the premium
aftermarket offering for
GM and non-GM makes and
models. It includes more
than 13,000 SKUs and
offers pads, shoes, drums,
rotors, cables, hardware
kits, hoses, wheel cylinders,
master cylinders, and
remanufactured calipers
and brake boosters.
Professional pads and shoes
carry a limited lifetime
warranty for wear-out, and
other Professional brake
products are warranted for
12 months/unlimited miles.
The ACDelco GM Original Equipment line includes
more than 5,400 SKUs and offers pads, shoes, drums,
rotors with exclusive Duralife™ technology, hoses,
wheel cylinders, master cylinders, exclusive ABS
modules, calipers, cables and exclusive brake pipe
service kits. GM OE brake products are computer
developed or designed, dyno tested, tested on the
vehicle and offer a 12-month/12,000-mile warranty.
All ACDelco brake products installed by an ACDelco
Professional Service Center or Key Fleet program participant
are covered by a 24-month/24,000-mile warranty.
ACDelco also offers police-specific Professional pads and fully
coated, damped iron rotors with specific vane configurations.
New Professional Severe Duty rotors provide improved brake
pedal feel and up to a 30-percent improvement in pad wear
based on testing. There are also ACDelco brake applications
for school buses, medium-duty trucks and air disc brakes for
Class 8 trucks. New Service Vehicle calipers with silicone boots
ACDelco brake rotors with exclusive Duralife™
technology feature a hardened and strengthened
surface to reduce corrosion, provide long-lasting
stopping power and extend brake rotor life. Another
technology exclusive to ACDelco, GM OE Coulomb
friction-damped disc brakes, feature a thin layer
embedded in the rotor to absorb vibrations and mute
squeal.
cover full-size vans from
Chevrolet, GMC, Ford
and Dodge.
Explaining to consumers
why brakes need replacing can be
difficult. Through the acdelco1store
(acdelco1store.com), ACDelco offers service centers tools –
such as brake pad wear gauges, rotor cutaways and countertop
braking system interactive displays – to educate customers on
how brakes work and replacement options.
2015 ISSUE 6
Master Technician Earns Specialist Medallions
THE SERVICE BAY
New Engine Oil Pressure
Sensor Replacement Job Aid
at the acdelco1store
ACDelco has released a
new Engine Oil Pressure
Sensor Replacement job aid
for 1997-2003 Chevrolet
ACDelco’s Andre France (left) congratulates Hal Ginsburg.
Hal Ginsburg knows the importance of
education and training. The automotive
technology instructor, who is an adjunct
professor at the College of the Canyons
in Santa Clarita, Calif., also works at an
ACDelco service center.
Corvettes (VIN G) and the
awarded with a custom-designed “Specialist”
medallion by an ACDelco representative and
a plaque to display all medallions earned.
Ginsburg has earned six ASE certificates, but
he still feels the need to continue training.
“I cannot convey in words how much,
2003 Chevrolet Corvette
Z06 (VIN S) equipped with
the 5.7L V-8 engine. It’s an
easy-to-use, single-sheet job
aid that reviews the proper
procedures to follow when
replacing the engine oil
A qualified Master Technician at Hank’s Tire
Service, an ACDelco Blue Level Professional
Service Center in Woodland, Calif., Ginsburg
has been taking advantage of the ACDelco
training made available to him.
“Any technician or shop owner who
does not take full advantage of what
ACDelco offers for free is selling
themselves short.” - Hal Ginsburg
pressure sensor.
It’s critical for proper
operation of the new oil
pressure sensor to check
for oil contamination of the
Now he’s being recognized through the
ACDelco Technician Training Recognition
Program, which encourages technicians to
increase their knowledge and skills in each
of the core Automotive Service Excellence
(ASE) areas. The ASE areas are represented
on a training path that combines
approximately 40 hours of web-based and
face-to-face classroom training courses.
There are currently more than 700 courses
available in the technical training portfolio,
representing automotive technologies
such as Alternative Propulsion, Engine
Repair, Automatic Transmission/Transaxle,
Suspension and Steering, Brakes,
Electrical and Electronics, Heating and
Air Conditioning, Engine Performance,
Light-Duty Diesel and Body Electrical and
Communication.
Upon completing a path, technicians are
during the past several decades, I have
enjoyed taking the classes that ACDelco
has provided for automotive technicians,”
Ginsburg says. “Basic fundamentals are the
cornerstones of any education, but today’s
technicians and those of the future must
be exposed to the ever-increasing array of
future technologies.”
terminals, connector and
harness. Oil in the connector
may make its way into the
sensor though the vent
hole, where it will eventually
damage the circuit board of
the sensor.
The job aid covers the
Ginsburg is not new to ACDelco training. He
has taken numerous classes ranging from
ILTs, to seminars and web-based classes
since 1968.
necessary steps to follow to
“Any technician or shop owner who does not
take full advantage of what ACDelco offers
for free is selling themselves short,” he says.
“Every day, I want to learn something new, to
continue learning, teaching and giving back”.
The Engine Oil Pressure
prevent early failure of the
oil pressure sensor from fluid
contamination.
Sensor Replacement job
aid can be downloaded at
the acdelco1store. Look for
document #01-SS-0203-15E
under Sell Sheets.
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2015 ISSUE 6
New Seminars Provide a Jump Start on
Battery and Engine Electrical Training
Should the battery be replaced or recharged? Is it a bad battery
or the generator? These are common questions when dealing
with electrical repairs that often have uncommon answers.
Diagnosing electrical conditions may lead to the replacement
of the battery, but there are also many other components that
play a role in the performance of a vehicle’s electrical system.
ACDelco has recently introduced two new service training
seminars — Battery Marketer Seminar “Boost Your Battery
Knowhow” (S-EL06-71.01SEM) and Engine Electrical “Is
Starting and Charging Getting You Cranky?” (S-EL0672.01SEM) — that cover battery operation and performance as
well as engine electrical diagnosis.
The threehour seminars
include a
variety of
resources and
case studies
that review
several
service issues, covering diagnostic tips, typical causes and how
to properly diagnose and repair the concerns. The case studies
provide a descriptive investigation of a real-world issue along
with the details needed to determine the fundamental reasons
for a cause and correction.
Boost Your Battery Know how
Vehicle operation starts with the battery. In the seminar, the different ways battery performance is affected by other components
is presented along with how to diagnose the overall condition of the battery. In addition, the right and wrong ways to test and
charge different types of batteries are covered.
Battery basics reviewed in the seminar include:
• Battery safety – best practices for moving and storing
batteries, and the effects of time and temperature on a
battery charge
• Battery overview – different types of batteries, battery
construction, battery specifications (Reserve Capacity –
RC vs. Cold Cranking Amps – CCA) and terminal designs
• Battery inspection, testing and charging – insulators
help protect the battery from vibrations and excessive
temperatures, checking the battery’s state-of-charge,
and correct and incorrect battery testing.
Battery insulators help reduce excessive temperatures and vibration.
A parasitic load refers to the electrical current drawn from the
battery by vehicle systems when the engine is off. The seminar
covers tips on parasitic load testing using a Digital Multimeter
(DMM) to help in diagnosing battery drain concerns. When the
vehicle has unacceptable amounts of parasitic current drain,
removing each fuse one at a time will help identify the circuit
causing the drain.
The online battery catalog features a number of links
providing related battery information.
The battery information resources available through ACDelco are
highlighted in the seminar as well. For example, the convenient
battery sell sheets provide features, benefits and specifications
for ACDelco batteries. Plus, the online battery catalog is a useful
tool that not only features easy-to-use search functions, but also
has helpful information on charging, testing, safety, recycling and
jump-starting batteries.
2015 ISSUE 6
Is Starting and Charging Getting You Cranky?
The engine electrical seminar covers basic battery, starting
and charging system components, operation and testing along
with an introduction to several new technologies and how to
test and diagnose these systems. Topics include dealing with
battery management systems, how a defective battery can
cause communication U-codes and drivability complaints.
The topic areas include:
• Battery types
• Basic battery operation during charging and discharging
• Safe handling practices
• Starting system function and operation
• Diagnosing starting system malfunctions
• Charging system function and operation
• Diagnosing charging system malfunctions
• Properly testing components.
The seminar also covers the recent addition of stop/start
technology that is used on several late model vehicles, such
as the 2014 Chevrolet Malibu and 2015 Chevrolet Impala.
This new technology requires an auxiliary battery to support
accessory loads while the engine is off. In these stop/start
applications, the battery is a small Absorbent Glass Mat (AGM)
battery with a rating of 155 CCA and 12 RC.
The auxiliary battery is electrically isolated using a relay, or
battery isolator. When the engine is running, the auxiliary
battery relay (isolator) closes, which allows the generator to
charge the auxiliary battery. The battery isolator is designed
to protect the primary battery from excessive discharge while
allowing the auxiliary battery to supply non-essential loads.
ACDelco’s auxiliary battery is used in stop/start applications.
ACDelco Training
To learn when the Battery Marketer Seminar “Boost Your
Battery Knowhow” and the Engine Electrical Seminar “Is
Starting and Charging Getting You Cranky?” will be scheduled
in your area, contact your local ACDelco distributor.
To enroll in other ACDelco training courses, go to
www.acdelcotechconnect.com and click the Training tab.
RUNNING THE BUSINESS
Tech2Win Tutorials Simplify Software Installation and Updates for Independent Repair Shops
ACDelco’s popular Tech2Win tutorials help independent repair
prompt the user through the entire process, including the
shops easily utilize Tech2 diagnostic software from a Windows PC.
selection of a diagnostic tool, application geography and license
Learn how to install or update your Tech2Win in just minutes.
agreement before the installation is complete.
The Tech2Win Install tutorial guides a technician through the
The tutorial for updating Tech2Win software on your PC or
software download. (Tech2Win requires an ISO 22900 PDU APO
laptop requires a software download while Tech2Win runs in
compliant device.) The software then uses a set-up wizard to
the background. Technicians are prompted to confirm the latest
software available and download the most recent version, which
resets their lease agreement.
Visit gmtis2webhowto.com to view these and the full suite of
TIS2Web video tutorials – available at no charge.
GMSi and TIS2Web software applications are available via a
web-based subscription service. TIS2Web software delivers GM
vehicle calibrations, Global Diagnostic System (GDS2) and Tech2
Scan Tool Diagnostic Software required to diagnose GM vehicles.
For more information regarding TIS2Web, go to
acdelcotechconnect.com or log on at acdelcotds.com.
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2015 ISSUE 6
Diesel Exhaust Fluid Basics
The Duramax diesel engine available on 2011-2016 GM
full-size trucks and vans requires injection of Diesel Exhaust
Fluid (DEF) as an integral part of the exhaust after-treatment
process that reduces emissions. DEF is a colorless, clear
solution of water and nitrogen-based urea product that has
32.5 percent urea by weight. DEF is naturally occurring and
biodegradable. However, it is slightly alkaline, which means it’s
corrosive to metals.
The Duramax diesel engine exhaust after-treatment system
reduces oxides of nitrogen (NOx) using a Selective Catalyst
Reduction (SCR) system, a DEF injection system, and two
NOx sensors and smart module assemblies. SCR technology
permits NOx reduction to occur in an oxidizing atmosphere. It’s
called selective because it uses ammonia to reduce NOx levels
as a reductant within a catalyst system. The reducing agent
is automotive-grade urea, or DEF, that reacts with NOx to
convert the pollutants into nitrogen, water and trace amounts
of carbon dioxide. The urea is quickly hydrolyzed to produce
oxidizing ammonia.
The Engine Control Module (ECM) controls the DEF delivery
system based on engine NOx emission levels and NOx sensor
feedback. The injected DEF mixes with the exhaust gas before
contacting the SCR system.
DEF Warning Messages
An adequate supply of DEF is critical for the reduction of
NOx levels and to maintain proper after-treatment system
operation. A series of prompts and warnings are initiated
when the DEF level falls below a calibrated value to ensure the
vehicle remains compliant to emission regulations.
The ECM monitors the DEF level and consumption rate in order
to calculate an estimated range in miles remaining until the
DEF reservoir is empty. Typically, DEF warnings are displayed
on the Driver Information Center (DIC) beginning once the
estimated mileage falls below 1,000 miles. Once initiated, DEF
warnings grow increasingly more serious as the remaining
mileage decreases without a DEF refill. The vehicle’s current
DEF warning level is displayed on the scan tool as Reductant
Level Warning Indicator Command Level 1 through Level 9. If
the vehicle is not in any warning strategy, it will be displayed as
None.
DEF levels are indicated on the DIC.
The DEF messages displayed on the DIC depend on the
operating conditions of the engine. These messages include:
• Service Exhaust Fluid System (Tamper) – Displays when
a Diagnostic Trouble Code (DTC) sets related to the DEF
system that is interpreted as tampering with the system.
• Service Emission System (Not-Tamper) – Displays when a
DTC sets related to the DEF system that is interpreted as
an Emission Control fault.
• Exhaust Fluid Quality Poor – Displays when the exhaust
fluid is of poor quality or DEF related hardware reflects
poor quality.
• Exhaust Fluid Range X MI (KM) – Displays when the
DEF tank has a range of 1,000 miles (1,609 km) or less
remaining. The DEF mileage countdown may not match the
actual mileage the vehicle is traveling.
If a combination of the above conditions exists simultaneously
on a vehicle, the order of repair must be followed by using the
DIC messages as the guide to what needs to be repaired first.
The DIC will always display the correct order of repair.
For example, if a tamper condition and a poor quality condition
exist together, the DIC will display “Service Exhaust Fluid
System” until the tamper condition is corrected. It will then
display “Exhaust Fluid Quality Poor,” which will need to be
corrected next.
Continued on next page...
2015 ISSUE 6
When diagnosing emission conditions, check for:
• Aftermarket air cleaners
• Diesel Airflow Leak Equivalency Ratio and DTC P0101
• Incorrect calibrations
• Exhaust leaks
• Charge air cooler system leaks
• DEF contamination.
A: Turbocharger Downpipe
1: NOx sensor number 1
2: Exhaust Gas Temperature (EGT) sensor 1
3: Hydrocarbon (HC) injector
B: Diesel Oxidation Catalyst (DOC)
4: Exhaust Gas Temperature (EGT) sensor 2
5: Diesel Exhaust Fluid (DEF) Reductant injector
D: Diesel Particulate Filter (DPF)
8: Exhaust Gas Temperature (EGT) sensor 4
C: Selective Catalyst Reduction (SCR)
6: NOx sensor number 2
7: Exhaust Gas Temperature (EGT) sensor 3
Frozen Tank Status
In operating temperatures of 15° F or less, the “Exhaust Fluid
Range” message may display on the DIC even though the DEF
fluid has been filled. This may be caused by frozen DEF. DEF
behaves like water and will freeze at 12° F.
When the DEF is frozen, the level sensor cannot determine the
fluid level in the tank. If this occurs, the logic of the ECM will
assume a default fluid level. As a result, there is a possibility
the “Exhaust Fluid Range” message can set with the range from
approximately 1,000 miles to less than 300 miles, even though
the tank is full.
This is an operating characteristic of the system. When in
frozen tank status, refill detections are not allowed until the
warning strategy reaches the point at which the distance
remaining is less than 300 miles. The refill detection is
dependent on the DEF thawing enough that the level sensor
pins can be read.
DEF Tank Filling Instructions
The capacity of the DEF tank is 5.3 gallons. Since DEF behaves
like water, it will freeze and expand. This does not normally
cause a problem if the DEF tank is not overfilled. Adding more
than the 5.3 gallon usable capacity may not allow for DEF
expansion when frozen.
DEF tank capacity is 5.3 gallons.
Use the ACDelco DEF nozzle when adding DEF to make it
easier to fill the DEF tank. The nozzle reduces the potential for
spilling DEF. It’s available in two sizes: 1 gallon – P/N 10-424
and 2.5 gallons – P/N 10-425.
To maximize driving range and to prevent overfilling the tank,
the tank should not be filled until the “Exhaust Fluid Range:
1,000 miles (approximate)” message appears on the DIC. At
this point, up to 3.5 gallons of DEF may be added. When fluid
initially reaches the top of the fill pipe, stop filling and do not
force additional fluid into the tank.
DEF is available from ACDelco in
individual packages and in bulk:
SIZE
QUANTITY
PART NUMBER
1-GALLON
4-PACK
10-4022
2.5-GALLON
2-PACK
10-4023
55-GALLON
DRUM
10-4026
330-GALLON
DRUM
10-4027
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2015 ISSUE 6
TECH TIPS
ACDelco technical tips provide
repair information about
specific conditions on a variety
of vehicles. If you have a tough
or unusual service repair, the
Diagnostic Hotline can help.
Call 1-800-825-5886, prompt
#2, from 8 a.m. to 8 p.m. ET
Monday–Friday, to speak with a
technical expert with the latest
OEM information.
PRODUCT INFO
For free technical assistance and
product information regarding
specific ACDelco products, contact these toll-free information
hotlines staffed by ASE-certified
technicians:
Brakes
1-888-701-6169 (prompt #1)
Chassis & ReadyStruts
1-800-270-2124
Clutches
1-888-725-8625
Lift Supports
1-800-790-5438
Shocks
1-877-466-7752
Starters & Alternators (New)
1-800-854-0076
Starters & Alternators (Reman)
1-800-228-9672
Steering
1-855-451-1212
Wiper Blades
1-800-810-7096
Oil Leak After Extended Driving
in Cold Temperatures
2010-2013 Chevrolet Malibu; 2010-2014 Buick LaCrosse, Chevrolet Equinox, GMC Terrain; 2011-2014 Buick Regal;
2012-2014 Buick Verano; 2013-2014 Chevrolet Captiva Sport; equipped with the 2.4L engine (RPOs LAF, LEA, LUK)
An engine oil leak may appear on these models when driving in extremely cold ambient
temperatures of 0° F/-17° C or colder. There may be a single “pop” noise heard right before the
oil leak started. The oil leak, at the rear main oil seal of the engine, may be the result of a frozen
PCV system and excessive crankcase pressure.
Determine if the oil leak is the result of a
frozen PCV system by inspecting the PCV
system, dipstick, and engine oil fill cap for
signs of ice, moisture or sludge build up.
If a leaking rear main oil seal is found in
warmer climates, this information does
not apply. If a frozen PCV system is found,
follow these steps:
Check for a leaking rear main oil seal.
1. Check for proper thermostat operation.
2. Remove the cam cover, inspect the PCV baffle inside, and replace the cam cover if obvious
sludge buildup is present.
3. Clean any ice/sludge/water/carbon
out of the PCV pipes/hoses, the
PCV nipple on the cam cover, the
PCV orifice between the #2 and #3
intake runners (use a 1/16 inch drill
bit), PCV orifice in the head and the
throttle body. Also inspect the related
Clean the PCV orifice (arrow) between the #2 and #3 intake
PCV hoses/connections for potential
runners using a 1/16-nch drill bit.
damage.
4. After allowing the engine to idle at
operating temperature for at least 15
minutes, turn off the engine and drain
the engine oil for at least 15 minutes
to remove all oil and condensation/
PCV passage (arrow) in the cylinder head
water from the crankcase.
5. Repair any oil leaks that were induced
as a result of the frozen PCV system and excessive crankcase pressure.
in the news
2016 Chevy and GMC Heavy Duty Trucks to Offer Fifth-Wheel Hitch Package, Digital Steering Assist
The 2016 Chevrolet Silverado and GMC Sierra
2500HD/3500HD trucks offer a number of new and enhanced
features, with new Digital Steering Assist and a factoryinstalled fifth-wheel/gooseneck hitch package topping the list
for most customers.
Digital Steering Assist power steering on some double cab and
crew cab models helps make hauling and trailering easier and
more confident, with electronic controls that enhance road
holding and stability on the highway – particularly on crowned
roads – regardless of whether the truck is loaded. It also offers
greater responsiveness and an improved steering feel.
Continued on next page...
2015 ISSUE 6
Body Harness Short Electrical Conditions
2004-2012 Chevrolet Malibu, Malibu Maxx; 2005-2010 Pontiac G6; and 2007-2009 Saturn AURA
On the affected vehicles, there may be a variety of electricalrelated conditions, including engine cranking but no start,
reduced engine power, OnStar inoperative, dome lamp remains
illuminated, inaccurate fuel level, driver and passenger power
seat inoperative and more. The issues may be caused by the body
wiring harness making hard contact with the floor panel edge,
under the left-rear seat cushion. Here’s how to inspect the cause
and address it.
Fold over the left rear carpet to inspect the body harness for any
hard contact to the floor panel’s edge. If the harness has been
penetrated to the electrical wiring, repair the wires as necessary.
Rewrap the harness section that has been repaired with woven
polyester electrical tape or equivalent anti-abrasion tape or
electrical tape. Reposition the body harness so it does not make
hard contact with the floor panel’s edge. Clear any DTCs and
verify any electrical conditions have been eliminated.
Refer to GM bulletin #15-08-45-001 for additional information.
Inspect the harness (1) under the left rear carpet.
General Motors OE Engine Mounts Now Available through ACDelco
ACDelco is introducing General Motors Original Equipment
engine mounts to the aftermarket to better serve owners of
GM vehicles. These OE engine mounts provide the quality
and durability professionals expect with the extra features
consumers need.
ACDelco GM OE engine mounts are covered by a
12-month/12,000-mile warranty and are distinguished by
these features:
• Tuned specifically for each model depending on its use
• Designed to function with all surrounding components
to ensure the mounts bolt correctly and to eliminate
interference with other vehicle components
• Provides crash protection with a metal interlocking system
that helps control the mass of the engine in the event of a
collision
The new Gooseneck/5th Wheel Trailering Prep Package, with a
spray-in bedliner, makes the trucks ready to tow larger trailers
right from the factory. It’s available in the first quarter of 2016
for gas and diesel models, and features a frame-mounted hitch
platform and tray that accommodates a gooseneck ball hitch
or fifth wheel hitch mounting brackets, as well as a cargo bed-
•
Helps guard
against
corrosion
with an
e-coating
that protects
aluminum
and metal
parts for 10
years.
ACDelco GM OE
engine mounts
cover millions of GM vehicles on the road. For a complete list of
parts and applications, refer to the electronic catalog.
mounted trailer harness. A new Gooseneck Completion Kit will
also be available from Chevrolet dealers, featuring a 2-5/16inch ball hitch and two chain tie-downs.
For more information, go to chevrolet.com or gmc.com.
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10 2015 ISSUE 6
New Service Information Features Deliver Faster Results
Several enhancements were recently made to GM Service Information based on user feedback, making it easier to search for
specific information and providing quick access to commonly used information.
Bulletin Searches
When performing a bulletin, campaign and preliminary
information search, users can now search by Year Range,
Model and Keyword by clicking that search option on the
home page. The Model option is a new function, replacing the
Platform option. Now, users can select the Model — Silverado4WD — rather than the Platform — K-Truck — that may not
have been known.
Search by Year Range, Model and Keyword.
Keyword Search Default
Another new search function is the search default, either
Documents or Titles, which is maintained for future searches.
Click the Search drop-down menu at the top of the screen
when performing a Basic or Advanced search to change the
search default.
The Service Information application still defaults to the Basic
search. The Basic search function enables the user to search
the entire document or document titles with as many as five
keywords. Valid keywords appear in the Symptom and DTC
keyword lists.
Previously, the user was always returned to Documents as the
default search. Now, if Titles was selected when performing
a service manual search, the default search of Titles will be
maintained when going to another publication, such as owner
manuals, when performing a search.
The Advanced search function allows the user to search the
entire document or document titles with a phrase with as
many as five words. For example: throttle position sensor. Valid
search characters also include slash (/), period (.) and hyphen (-).
For example: a/c, 5.7L.
Enhanced Graphics
GM Service Information features many graphics that may
be more helpful during repairs when printed. TIFF and CGM
graphic viewers must be downloaded by the user in order
to view the enhanced graphics and have access to new print
features.
To take advantage of the detailed graphics and other features,
select the Help icon from the Service Information home page
menu and click TIFF and CGM Graphic Viewers (Download and
Execute). Follow the on-screen instructions to install the image
viewer plug-in.
New computers will need to have both plugins downloaded.
Otherwise, download only the CGM plugin to receive the new
print features. The original CGM plugin does not need to be
removed to install the newest version.
The updated viewer includes a new toolbar with a Print button
that allows users to print full-page graphics. The Print Preview
button, next to the Print button, allows the graphic to be
viewed before printing. In addition, the Page Setup button can
be used to change the orientation of the image — portrait or
landscape — or change the selected paper size.
Download the TIFF and CGM Graphic Viewers to view
and print the enhanced graphics.
2015 ISSUE 6
Maintenance Items and Parts
Convenient links to maintenance items and maintenance
replacement parts have been added to Service Information
for the 2012-2016 model years. These links put common
maintenance resources all in one easy-to-find location.
The Maintenance Items chart and Maintenance Replacement
Parts document can be found after building the desired model
and then selecting Service Manual > General Information
> Maintenance and Lubrication > Specifications. Or users
can keyword search for maintenance items or maintenance
replacement parts.
The new chart provides fast navigation to maintenance-related
procedures and information, including approximate fluid
capacities, resetting the GM Oil Life System, tire pressure
indicator sensor learn, passenger compartment air filter
replacement, and spark plug replacement. This information is
located in various sections of Service Information as well. By
linking the information in the new chart, it reduces the amount
of navigation required to view the different maintenance
procedures and information.
In addition, for North American models, the Maintenance
Replacement Parts document provides part numbers for
common maintenance items, similar to what is found in owner
The Maintenance Replacement Parts list provides easy
access to part numbers for maintenance items.
manuals. It lists parts such as the engine air cleaner/filter,
engine oil filter, spark plugs and wiper blades.
The Maintenance Items chart also can be accessed through
the quick link at the top the service manual page after building
a vehicle. Other quick links include RPO Code List, Diagnostic
Starting Point, Diagnostic Trouble Code List and Symptom List.
Need Help?
For additional tips on using the Service Information functions, click the Search Help link at the top of the screen.
GM ASEP Students Compete in Social Media Challenge
Young auto technicians in the General Motors ASEP program now have a way to
communicate their love of car culture and their auto education, as well as win great prizes.
The ACDelco GM ASEP School Challenge is a social media
content showdown with all GM ASEP schools. The school and
its ASEP students that produce the best social media content
each quarter will receive ACDelco swag (such as hats, shirts
and backpacks) and a $5,000 ACDelco power tool package for
their GM ASEP school.
To be a contender for a prize package you should:
• Encourage your students to connect with ACDelco on
social media. (Current students are the best fit, but soonto-graduate students and even alumni all have great ASEP
stories to tell and help their school.) Students can “Like”
and Follow ACDelco on Facebook, Twitter, Instagram,
YouTube or Google+.
•
Show us why your school’s ASEP program is the best
through images and videos posted to social media. Don’t
forget to use the hashtag #ACDelco and identify your
school as one of the more than 50 ASEP schools currently
in the United States.
The user-generated content that students produce for social
media should highlight your school’s ASEP program as a
viable career path, communicate quality GM training and help
prepare the next generation of trade.
Find out more by visiting any ACDelco social media channel –
Facebook, Twitter, Instagram, Google+ or YouTube.
11
12 2015 ISSUE 6
New Detroit Training Center Offers High-Tech Training Environment
The large classrooms feature the latest instructional technology.
The new facility provides space for classroom training,
hands-on exercises and video production.
General Motors recently opened the new Detroit Training
Center in Troy, Mich. The training center features the latest
technology and in-classroom instruction, offering attendees a
state-of-the-art facility for hands-on training.
The facility encompasses approximately 16,000 square feet
and includes two Virtual Classroom Training (VCT) studios,
four classrooms with garage space, an area to shoot videos
for GM training programs, and a break area for students while
attending classes.
Behind the classroom garage space is a large, open area that is
used to set-up vehicles for future classes, validate information
or help develop future training.
The training center is conveniently located north of Detroit and
is easily accessed from the I-75 interstate highway. The new
location is about seven miles northwest of the former training
center location in Warren, Mich.
If you are in the Detroit area, be sure to sign up for a class at the
new training center.
The connected garage space offers plenty of room for hands-on training.
VCT classes are broadcast daily.
In the VCT studios, instructors broadcast daily, many times
teaching two or three classes a day.
The four Instructor-Led Training (ILT) classrooms provide a
great environment for hands-on instruction. Each classroom
has a smart board that enables the instructor to share
presentations, service information, technical videos and more.
Behind each classroom is a garage space, where vehicles or
other items are set up for use during hands-on exercises.
The new training center is located in Troy, Mich., about seven miles
from the previous training center location.
2015 ISSUE 6
Diagnosing High-Speed
LAN Concerns
2007-2014 Cadillac Escalade models; 2007-2013 Chevrolet Avalanche, Silverado,
Suburban, Tahoe; 2007-2013 GMC Sierra and Yukon models; 2014 Chevrolet
Silverado HD, Suburban, Tahoe; 2014 GMC Sierra HD and Yukon models; and 20082009 Hummer H2
The Data Link Connector (DLC) allows a scan tool to
communicate with the high-speed GMLAN (Local Area
Network) serial data modules. The serial data is transmitted
on two twisted wires that allow speeds up to 500 Kb/s. The
twisted pair is terminated with two 120-ohm resistors – one
is internal to the ECM and the other at the opposite end of the
high-speed bus after the last module.
If a communication signal is lost, the software application will
set a no communication U DTC (Diagnostic Trouble Code)
against the respective control module. A loss of serial data
DTC does not represent a failure of the module that the code
is set in.
3. If the high-speed LAN circuit integrity is good and the scan
tool still will not communicate with any high-speed LAN
modules, there could be a module corrupting the highspeed LAN bus. Try these methods to isolate which module
is causing the concern:
• Remove the battery feed fuse for each high-speed LAN
module one at a time while monitoring the scan tool to
see if communication returns with the other modules.
Always refer to the appropriate Service Information for the
latest diagnostic information and procedures. The following
diagnostic tips may help in locating the source of a loss of
communication with a high-speed LAN module.
1. If the scan tool cannot communicate with any high-speed
LAN modules, check for proper terminal drag at the DLC
terminals 6 and 14 using test probe J-35616-14 or -2A.
These terminals can become damaged from repeat probing
and/or installing of the scan tool.
Probe terminals 6 and 14 using the proper test terminals.
2. Verify the high-speed LAN circuit integrity by measuring
the resistance across DLC terminals 6 and 14 with a DVOM
with the battery disconnected. A normal reading would be
60 ohms +/– 5 ohms. A reading less than 60 ohms would
indicate the high-speed LAN bus is shorted together and a
higher reading indicates high resistance/open in the highspeed LAN bus.
Remove the C3 (X3) connector from fuse block to isolate the highspeed LAN modules in two halves.
• Disconnect each module one at a time and bypass the
module by using jumper wires to connect the high-speed
LAN bus back together. Only use the correct test probe/
terminal when bypassing the module.
• Separate the bus into two halves by disconnecting the C3
(X3) connector from the back of the left instrument panel
junction block. With the C3 (X3) connector removed,
only the ECM, TCM, and BCM will be online with the scan
tool. If there is communication with these modules, the
concern is on the side of the bus that is disconnected.
Many high-speed LAN modules use small .64 series terminals
and are often the main culprit for intermittent electrical
concerns. When probing modules or inline connectors with
.64 series terminals, be sure the correct .64 test probe is being
used.
Refer to the latest version of #PI4667 for additional
information.
13
14
2015 ISSUE 6
ACDelco Releases New CONNECTION Parts and Accessories Catalog
ACDelco plans to debut a new CONNECTION Parts and Accessories catalog soon, introducing a comprehensive next-generation
parts catalog that will provide shops with more assistance than ever.
The goal of the new catalog is to help you find the part you need faster, save steps and provide multiple ways to search for parts, all
while providing up-sell opportunities.
You can expect access to this exciting new catalog in the next few months. In the meantime, we’ve assembled a preview of the new
features so you are ready to use the new online catalog when it goes live.
Here are new features:
Smart Search Catalog: Type in a vehicle or VIN and part
description into the “Smart Search” box to lookup the parts
you need. As you type, matches are instantly displayed below
from which you can select.
New Catalog Results Layout: Detailed catalog results now
include an image of the part as well as additional information
you might find helpful during the ordering process.
Improved Vehicle Selection: Follow Step One for vehicle year,
Step Two for make and Step Three (optional) for submodel
and/or engine. Notice that cars are now separated from trucks
and vans.
2015 ISSUE 6
ACDelco Adds 108 Professional New Starters and Alternators
New product introductions continue for ACDelco, as it
releases 108 Professional all-new alternators and starters
covering 1988-2014 models from Chevrolet, Buick, GMC,
Cadillac, Pontiac, HUMMER, Saab, Chrysler, Ford, Mercury,
Lincoln, Honda, Toyota, Nissan and other manufacturers.
This includes 70 Professional all-new alternators and 38
Professional all-new starters. None of these components are
remanufactured. They are backed by a two-year/24,000mile limited parts warranty and 100-percent validated for
performance.
Alternators are tested for voltage stability, terminal function
and electronic circuit board integrity; and starters are tested
for solenoid contact life, coil balance and pull strength. Drive
gears and clutches are assembled to tight specifications for
additional peace of mind.
Other features include:
• Components that are 100-percent greased and
lubricated for long-term reliability in harsh conditions
• Key mounting surfaces and contact points are gauged
and measured for proper fit
• Engineering enhancements to original internal
components provide the latest and most efficient unit
for vehicles
• 100 percent end-of-line tested to verify quality
assembly and functionality.
A special ACDelco Tech Hotline for new starters and
alternators provides installation, technical and vehicle
application support. Call 800-854-0076 Monday-Friday
from 8 a.m. to 8 p.m. ET and on Saturday from 8 a.m. to 4:30
p.m. ET.
See the ACDelco electronic catalog for the most up-to-date
vehicle applications and a complete list of parts.
Vintage Chevy Nova Has a Turbocharged Heart
Rated at 272 horsepower, it offers comparable power to the
275-hp 327 (5.3L) V-8 originally offered in the ’67 Nova SS.
Demonstrating the evolution of high-performance and the
latest in crate-engine technology, Chevrolet’s turbocharged
1967 Nova 2.0 concept vehicle is a contemporary hot rod with
timeless style.
It was built to showcase Chevy’s new “LTG” 2.0L turbo crate
engine as an alternative to conventional V-8 conversions.
With a curb weight of approximately 3,100 pounds, the
327-powered Nova SS was widely praised in its day for a
strong power-to-weight ratio, which helped make it one of the
industry’s quicker muscle cars. That performance advantage
is amplified in the Chevrolet Performance concept, as the alliron V-8 has been replaced with an all-aluminum turbo-four,
for a more enviable 50/50 front-to-rear weight distribution.
And in place of the original four-speed transmission is a
modern six-speed manual.
The LTG crate engine, the electronic control unit, the engine
accessory-drive system and even the six-speed manual
transmission – and requisite installation kit – are all available
from Chevrolet Performance.
15
16 2015 ISSUE 6
Training Schedule
Current Instructor-Led Training (ILT) Courses
The following ILT courses are
currently being scheduled:
Course Number
How to Take ACDelco Training
Go to www.acdelcotechconnect.com and click the Training tab to log in to the
ACDelco Learning Management System (LMS).
To launch or enroll in courses in your
training path, open the home page to
view your Training Progress Status
Report, select Show Detail, and then
click the course number and title to
view details on a specific course and to
launch or enroll in the course.
To view Instructor-Led Training (ILT)
courses (ILTs are full-day and half-day
hands-on classroom courses), click Take
Training > Catalog > Catalog Search
and select Instructor-Led Training
under Delivery Type.
To view Virtual Classroom Training
(VCT) courses (VCTs are 1- to 2-hour
live online courses), click Take Training
> Catalog > Catalog Search and select
Virtual Classroom Training under
Delivery Type.
Training Update
Receive Credit Where It’s Due
To receive training credit for attending
an ACDelco Service Seminar, after
logging in to the ACDelco Learning
Management System (LMS), click the
Seminar Participation tab at the top of
the Manage My Training section on the
home page. A form will be displayed
where you can input the information
necessary to receive credit.
ST-PU-0006-15
To launch a Web-Based Training
(WBT) course (WBTs are 1- to 4-hour
self-guided online courses), click Take
Training > Catalog > Catalog Search
and select Service or Business WebBased Training under Delivery Type.
To launch a TechAssist (TAS) course
(TAS courses are 15- to 20-minute
online presentations on a specific
topic), click Take Training > Catalog >
Catalog Search and select TechAssist
under Delivery Type.
To launch a Simulation (SIM) (SIMs
require users to complete all repairs
for a condition), click Take Training >
Catalog > Catalog Search and select
Simulation under Delivery Type.
Enter the validation code, which was
provided during the seminar, along with
the course number and the session
date. Click the Submit button. After the
information has been recorded, credit
for the seminar will appear on your
Training Progress Status Report.
If you have any questions about the
seminar information, click the Contact
Us link to contact the help desk.
Course Name
S-BK05-02.01ILT
ABS Operation and Diagnosis
S-BK05-03.01ILT
Electronic Brake and Chassis
Controls: Is the vehicle really
smarter than the driver?
S-DS11-02.01ILT
Service Programming – Flash
or Pass: Don’t pass up potential
customers!
S-DS11-13.01ILT
Vehicle Network Communications:
When modules talk, who is really
listening?
S-EL06-04.02ILT
Network Communication Diagnosis
S-EL06-10.02ILT
Electrical Power Management
S-EL06-11.02ILT
Enhanced Automotive Circuit
Diagnosis
S-EL06-13.01ILT
Body Electrical Global Diagnostics
S-EL06-14.01ILT
Advanced Body Control System
Electrical Diagnostics
S-EL06-17.01ILT
Electrical Diagnostics: Chasing Lost
Electrons
S-EM01-01.01ILT
Valvetrain Controls: Are they
phasing you?
S-EP08-03.01ILT
Engine Performance Air Induction
and Fuel System Diagnostics
S-EP08-04.01ILT
Engine Performance Fault
Monitoring and Emission System
Diagnostics
S-EP08-05.01ILT
Engine Performance Advanced
Drivability Diagnostics
S-EP08-06.01ILT
After Combustion Sensors: Is what
is in the exhaust making your engine
run rough?
S-EP08-07.01ILT
Air Induction and Fuel Injection
Systems
S-EP08-08.02ILT
Evaporative Emissions Controls:
Why is there always a code but never
a leak we can find?
S-EP08-09.01ILT
Spark Generation: Is a lack of spark
sending you up in flames?
S-EP08-10.01ILT
Direct Injection
S-EP08-81.02ILT
Duramax Diesel Operation and
Diagnosis
S-SS04-01.01ILT
Vibration Correction Diagnostics