TOYOTA 140L/140E
Transcription
TOYOTA 140L/140E
INDEX TOYOTA 140L/140E TROUBLE-SHOOTING .......................................................................................................... 3 IN-VEHICLE REPAIR ............................................................................................................. 8 TRANSAXLE DISASSEMBLY .............................................................................................. 12 COMPONENT DISASSEMBLY, INSPECTION AND ASSEMBLY OIL PUMP ........................................................................................................................... DIRECT CLUTCH HOUSING .......................................................................................... FORWARD CLUTCH HOUSING ..................................................................................... INTERMEDIATE ONE-WAY CLUTCH AND SUN GEAR ........................................... LOW ONE-WAY CLUTCH ASSEMBLY ......................................................................... LOW/REVERSE PISTON ASSEMBLY ........................................................................... OVERDRIVE UNIT ASSEMBLY 1st Design.................................................................... OVERDRIVE UNIT ASSEMBLY 2nd Design.................................................................. A140E VALVE BODY ASSEMBLY .................................................................................. A140L VALVE BODY ASSEMBLY .................................................................................. 26 29 32 35 37 39 41 103 55 65 TRANSAXLE ASSEMBLY ..................................................................................................... 71 CHECKING ALL ONE-WAY CLUTCHES .......................................................................... 86 A140E SOLENOID FIRING ORDER AND CHECK BALL LOCATIONS ...................... 87 COMPONENT APPLICATION CHART .............................................................................. 91 AIR CHECK INFORMATION ............................................................................................... 92 ELECTRICAL CHECKS, WIRING SCHEMATICS AND CODE INFORMATION ...... 94 AUTOMATIC TRANSMISSION SERVICE GROUP 18639 SW 107TH AVENUE MIAMI, FLORIDA 33157 (305) 670-4161 Copyright © ATSG 1999 INTRODUCTION TOYOTA A140/A140E Updated November, 2003 The Toyota A140/A140E is a fully automatic, electronically controlled transaxle that features a combination of electronic and mechanical systems to control the upshift and downshift of all forward gears and the apply and release of the torque converter clutch. This manual provides the procedures necessary to diagnose, service, repair and overhaul this unit. We wish to thank Toyota Motor Company for the information and illustrations that have made this booklet possible. No part of any ATSG publication may be reproduced, stored in any retrieval system or transmitted in any form or by any means, including but not limited to electronic, mechanical, photocopying, recording or otherwise, without written permission of Automatic Transmission Service Group. This includes all text illustrations, tables and charts. The information and part numbers contained in this booklet have been carefully compiled from industry sources known for their reliability, but ATSG does not guarantee its accuracy. Copyright © ATSG 1993 DALE ENGLAND JIM DIAL FIELD SERVICE CONSULTANT TECHNICAL CONSULTANT WAYNE COLONNA ED KRUSE TECHNICAL SUPERVISOR TECHNICAL CONSULTANT PETER LUBAN GREGORY LIPNICK TECHNICAL CONSULTANT TECHNICAL CONSULTANT JON GLATSTEIN DAVID CHALKER TECHNICAL CONSULTANT TECHNICAL CONSULTANT ROLAND ALVAREZ JERRY GOTT TECHNICAL CONSULTANT TECHNICAL CONSULTANT GERALD CAMPBELL MIKE SOUZA TECHNICAL CONSULTANT TECHNICAL CONSULTANT AUTOMATIC TRANSMISSION SERVICE GROUP 18639 SW 107TH AVENUE MIAMI, FLORIDA 33157 (305) 670-4161 1 NOTES----NOTES----NOTES----NOTES NOTES----NOTES----NOTES----NOTES Technical Service Information A140L "LOWER" VALVE BODY (9) (10) (1) (8) (2) (7) (3) (6) (4) (5) Spring Specifications Spring Free Length mm (in.) Color (1) Primary Regulator Valve (2) 1-2 Shift Valve 66.65 (2.624") 27.17 (1.069") None Yellow (3) Detent Regulator Valve (4) 2-3 Shift Valve 29.05 (1.143") 27.74 (1.092") Orange Pink (5) 3rd Coast Shift Valve (6) Lock-Up Signal Valve 24.40 (0.960") 35.30 (1.390") Violet Lt Blue (7) OD Sequence Valve (8) Secondary Regulator Valve 30.90 (1.216") 43.60 (1.716") None None 11.20 (0.440") 19.90 (0.783") None None (9) Damping Check Valve (10) Cooler By-pass Valve AUTOMATIC TRANSMISSION SERVICE GROUP 67 Technical Service Information A140L "LOWER" VALVE BODY CHECK BALL LOCATION DAMPING CHECK VALVE DIRECT CLUTCH ORIFICE BALL 5.5mm (.217") RUBBER INTERMEDIATE CLUTCH ORIFICE BALL 5.5mm (.217") RUBBER OIL COOLER BY PASS VALVE SECOND BAND ORIFICE BALL 5.5mm (.217") RUBBER OVERRUN CLUTCH ORIFICE BALL 5.5mm (.217") RUBBER A140L "UPPER" VALVE BODY CHECK BALL LOCATION OVERDRIVE CLUTCH ORIFICE BALL 5.5mm (.217") RUBBER FORWARD CLUTCH ORIFICE BALL 5.5mm (.217") RUBBER AUTOMATIC TRANSMISSION SERVICE GROUP 68 Technical Service Information THE SHAFT MUST FREEWHEEL CLOCKWISE AND LOCK COUNTER CLOCKWISE WHEN THE OVERDRIVE DIRECT DRUM IS HELD FREEWHEEL HOLD OVERDRIVE DIRECT DRUM FREEWHEEL OUTPUT SHAFT THE PLANETARY MUST FREEWHEEL COUNTER CLOCKWISE AND LOCK CLOCKWISE WHEN THE OUTER RACE IS HELD FREEWHEEL PLANETARY DULL SURFACE FREEWHEEL HOLD OUTER RACE SHINY SURFACE FACES BELLHOUSING THE CLUTCH HUB MUST FREEWHEEL CLOCKWISE AND LOCK COUNTER CLOCKWISE WHEN THE SUN SHELL IS HELD FREEWHEEL CLUTCH HUB FR EEW H EEL HOLD SUN SHELL AUTOMATIC TRANSMISSION SERVICE GROUP 86 Technical Service Information No. 1 Solenoid (White Wire) No. 2 Solenoid (Black Wire) Wire Color White Black Yellow Gear Range No. 1 Solenoid No. 2 Solenoid Lock-Up Solenoid 1st Gear On Off Off 2nd Gear On On Off 3rd Gear Off On Off 4th Gear Off Off *On Reverse On Off Off * = Determined by TCM All Solenoids 11-15 Ohms resistance @ 72°F Note: Count the number of "E" clips before disassembly of the valve body, as the throttle pressure is changed according to the number of "E" clips on the throttle valve. Some valve bodies do not have any "E" clips. (Increasing number of "E" clips decreases throttle pressure) A140E "LOWER" VALVE BODY CHECKBALL AND VALVE LOCATIONS PRESSURE RELIEF CHECK VALVE DIRECT CLUTCH FEED ORIFICE BALL 5.5mm (.217") RUBBER INTERMEDIATE CLUTCH FEED ORIFICE BALL 5.5mm (.217") RUBBER OVERDRIVE CLUTCH FEED ORIFICE BALL 5.5mm (.217") RUBBER COOLER BYPASS CHECK VALVE OVERRUN CLUTCH FEED ORIFICE BALL 5.5mm (.217") RUBBER OIL SCREEN AUTOMATIC TRANSMISSION SERVICE GROUP 87 Technical Service Information A140E VALVE BODY A140E "UPPER" VALVE BODY CHECKBALL LOCATIONS INTERMEDIATE BAND FEED ORIFICE BALL 5.5mm (.217") STEEL FORWARD CLUTCH FEED ORIFICE BALL 5.5mm (.217") STEEL AUTOMATIC TRANSMISSION SERVICE GROUP 88 Technical Service Information COMPONENT APPLICATION CHART * Downshift from higher gear only, No upshift in this range. AUTOMATIC TRANSMISSION SERVICE GROUP 91