Chrysler 1998 Voyager Service Manual page 204

6 - 6 CLUTCH
DIAGNOSIS AND TESTING (Continued)
CLUTCH DIAGNOSIS
Problem diagnosis will generally require a road
test to determine the type of fault. Component
inspection will then determine the problem after road
testing.
Drive the vehicle at normal speeds during road
test. Shift the transaxle through all gear ranges and
CONDITION
CLUTCH DISC FACING
COVERED WITH OIL OR
GREASE
NO FAULT FOUND WITH
CLUTCH
COMPONENTS
PARTIAL ENGAGEMENT
OF CLUTCH DISC
CONDITION
DISC FACING WORN
OUT
CLUTCH DISC FACING
CONTAMINATED WITH
OIL OR GREASE
CLUTCH IS RUNNING
PARTIALLY
DISENGAGED
CLUTCH DISC FACINGS
HAVE FRACTURED INTO
SMALL PIECES
SERVICE DIAGNOSIS–CLUTCH GRAB/CHATTER
POSSIBLE CAUSES
Oil leak at engine rear main or transaxle
input shaft seal
Problem actually related to suspension
or driveline component
Engine related problems
Clutch cover, spring, or release fingers
bent, distorted (rough handling, improper
assembly)
Clutch disc damaged or distorted
Clutch misalignment
SERVICE DIAGNOSIS–CLUTCH SLIPS
POSSIBLE CAUSES
Normal wear.
Driver frequently rides (slips) clutch,
results in rapid wear overheating.
Insufficient clutch cover diaphragm
spring tension
Leak at rear main oil seal or transaxle
input shaft seal
Road splash, water entering housing
Release bearing sticking or binding,
does not return to normal running
position.
Cable self-adjuster mechanism sticking
or binding causing high preload (LHD
Applications only)
Driver performs a 5-1 downshift at
vehicle speed in excess of 60 miles per
hour
Excessive heat from slippage
observe clutch action. If chatter, grab, slip, or
improper release is experienced, remove and inspect
the clutch components. If the problem is noise or
hard shifting, further diagnosis may be needed. The
transaxle or other driveline components may actually
be at fault.
Correct leak and replace clutch assembly
Further diagnosis required. Check
engine/transmission mounts, suspension
attaching parts and other driveline
components as needed.
Check EFI and ignition systems
Replace clutch assembly
Replace clutch assembly
Check alignment and runout of flywheel,
disc, or cover. Check clutch housing to
engine dowels and dowel holes for
damage. Correct as necessary.
Replace clutch assembly.
Replace clutch assembly
Replace clutch assembly
Replace leaking seals. Replace clutch
assembly.
Seal housing. Inspect clutch assembly.
Verify that bearing is actually binding.
Then, replace bearing and transmission
front bearing retainer if sleeve surface is
damaged.
Verify that self-adjuster is free to move
(LHD Applications only)
Alert driver to problem cause. Replace
clutch assembly.
Replace clutch assembly
NS/GS
CORRECTION
CORRECTION