SERVICE DIAGNOSIS - CLUTCH GRAB/CHATTER
CONDITION POSSIBLE CAUSES CORRECTION
CLUTCH DISC FACING
COVERED WITH OIL OR
GREASE
Oil leak at engine rear main or
transaxle input shaft seal.
Correct leak and replace modular clutch
assembly.
Too much grease applied to splines
of disc and input shaft.
Apply lighter coating of grease to splines.
NO FAULT FOUND WITH
CLUTCH
COMPONENTS
Problem actually related to
suspension or driveline component.
Further diagnosis required. Check
engine/transmission mounts, suspension
attaching parts and other driveline
components as needed.
Engine related problems. Check EFI and ignition systems.
PARTIAL ENGAGEMENT
OF CLUTCH DISC
Clutch cover, spring, or release
fingers bent, distorted (rough
handling, improper assembly).
Replace modular clutch assembly.
Clutch disc damaged or distorted. Replace modular clutch assembly.
Clutch misalignment. Verify modular clutch pilot plate alignment
to crankshaft. Replace the modular clutch
assembly if the pilot plate is loose or bent.
SERVICE DIAGNOSIS - CLUTCH SLIPS
CONDITION POSSIBLE CAUSES CORRECTION
DISC FACING WORN OUT Normal wear. Replace modular clutch assembly.
Driver frequently rides (slips) clutch,
results in rapid wear, overheating.
Replace modular clutch assembly.
Insufficient clutch cover diaphragm
spring tension
Replace modular clutch assembly.
CLUTCH DISC FACING
CONTAMINATED WITH
OIL OR GREASE
Leak at rear main oil seal or
transaxle input shaft seal
Replace leaking seals. Replace modular
clutch assembly.
Excessive amount of grease applied
to input shaft splines
Apply less grease to input shaft. Replace
modular clutch assembly
Road splash, water entering housing Seal housing. Inspect clutch assembly.
CLUTCH IS RUNNING
PARTIALLY DISENGAGED
Release bearing sticking or binding,
does not return to normal running
position.
Verify that bearing is actually binding.
Then, replace bearing and transmission
front bearing retainer if sleeve surface is
damaged.
Clutch master cylinder pushrod not
adjusted properly, causing high
preload.
Verify that pushrod adjustment is correct.
Slave cylinder binding Replace slave cylinder.
CLUTCH DISC FACINGS
HAVE FRACTURED INTO
SMALL PIECES
Leak at rear main or transaxle input
shaft seal
Replace seal. Replace modular clutch
assembly.
Excessive heat from slippage Replace modular clutch assembly
PL CLUTCH 6s - 3
CLUTCH (Continued)
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