Jeep Cherokee 2000 Service Manual - page 226
CONDITION
POSSIBLE CAUSES
CORRECTION
Facing on flywheel side of disc torn,
gouged, or worn.
1. Flywheel surface scored or
nicked.
2. Correct surface condition if
possible. Replace flywheel and disc
as necessary.
2. Clutch disc sticking or binding on
transmission input shaft.
2. Inspect components and
correct/replace as necessary.
Clutch disc facing burnt. Flywheel
and cover pressure plate surfaces
heavily glazed.
1. Frequent operation under high
loads or hard acceleration
conditions.
1. Correct condition of flywheel and
pressure plate surface. Replace
clutch cover and disc. Alert driver to
problem cause.
2. Driver frequently rides (slips)
clutch. Results in rapid wear and
overheating of disc and cover.
2. Correct condition of flywheel and
pressure plate surface. Replace
clutch cover and disc. Alert driver to
problem cause.
Clutch disc binds on input shaft
splines.
1. Clutch disc hub splines damaged
during installation.
1. Clean, smooth, and lubricate hub
splines if possible. Replace disc if
necessary.
2. Input shaft splines rough,
damaged, or corroded.
2. Clean, smooth, and lubricate
shaft splines if possible. Replace
input shaft if necessary.
Clutch disc rusted to flywheel and/or
pressure plate.
1. Clutch not used for and extended
period of time (e.g. long term
vehicle storage).
1. Sand rusted surfaces with 180
grit sanding paper. Replace clutch
cover and flywheel if necessary.
Pilot bearing seized, loose, or rollers
are worn.
1. Bearing cocked during
installation.
1. Install and lubricate a new
bearing.
2. Bearing defective.
2. Install and lubricate a new
bearing.
3. Bearing not lubricated.
3. Install and lubricate a new
bearing.
4. Clutch misalignment.
4. Inspect clutch and correct as
necessary. Install and lubricate a
new bearing.
Clutch will not disengage properly.
1. Low clutch fluid level.
1. Replace hydraulic linkage
assembly.
2. Clutch cover loose.
2. Follow proper bolt tightening
procedure.
3. Clutch disc bent or distorted.
3. Replace clutch disc.
4. Clutch cover diaphragm spring
bent or warped.
4. Replace clutch cover.
5. Clutch disc installed backwards.
5. Remove and install clutch disc
correctly.
6. Release fork bent or fork pivot
loose or damaged.
6. Replace fork or pivot as
necessary.
7. Clutch master or slave cylinder
failure.
7. Replace hydraulic linkage
assembly.
6 - 8
CLUTCH
XJ
DIAGNOSIS AND TESTING (Continued)