21S-TRANSAXLE
TABLE OF CONTENTS
page page
21S-TRANSAXLE
DESCRIPTION............................1
A578 MANUAL TRANSMISSION ..............1
31TH AUTOMATIC TRANSAXLE .............22
41TE AUTOMATIC TRANSAXLE .............69
21S-TRANSAXLE
DESCRIPTION
This Service Manual Supplement includes
ONLY the information that is new or updated
for 2001 Model Year. All other Service Manual
information is in the 2000 Model Year Service
Manual.
When you are using this information you may
be referred to another section of the Service
Manual. The “Refer to” is written differently
than in prior years.
A578 MANUAL TRANSMISSION
TABLE OF CONTENTS
page page
A578 MANUAL TRANSMISSION
DIAGNOSIS AND TESTING ..................1
COMMON PROBLEM CAUSES .............1
REMOVAL ...............................2
INSTALLATION............................5
SPECIFICATIONS .........................6
SPECIAL TOOLS ..........................7
DIFFERENTIAL
DISASSEMBLY............................9
ASSEMBLY .............................12
ADJUSTMENTS ..........................15
SHIFT MECHANISM
REMOVAL ..............................16
INSTALLATION...........................17
GEAR SHIFT CABLE
REMOVAL ..............................17
INSTALLATION...........................19
ADJUSTMENTS ..........................20
A578 MANUAL
TRANSMISSION
DIAGNOSIS AND TESTING - COMMON
PROBLEM CAUSES
The majority of transaxle malfunctions are a result
of:
• Insufficient lubrication
• Incorrect lubricant
• Misassembled or damaged internal components
• Improper operation
HARD SHIFTING
Hard shifting may be caused by a misadjusted
crossover cable. If hard shifting is accompanied by
gear clash, synchronizer clutch and stop rings or gear
teeth may be worn or damaged.
Misassembled synchronizer components also cause
shifting problems. Incorrectly installed synchronizer
sleeves, struts, or springs can cause shift problems.
NOISY OPERATION
Transaxle noise is most often a result of worn or
damaged components. Chipped, broken gear or syn-
chronizer teeth, and brinnelled, spalled bearings all
cause noise.
Abnormal wear and damage to the internal compo-
nents is frequently the end result of insufficient
lubricant.
PL 21S-TRANSAXLE 21s - 1
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