Clutch Noise - Dodge D150 1990 Service Manual

6 - 10 CLUTCH •
CLUTCH NOISE
Condition Found Cause
Correction
1. Clutch components damaged
or worn out prematurely.
Incorrect or sub-standard clutch
parts.
Replace with parts of correct type
and quality.
2. Pilot bushing seized.
a) Bushing cocked or scored
during installation.
b) Bushing not lubricated prior to
installation.
c) Bushing defect.
d) Clutch misalignment.
a), b), c) Replace bushing. Be
sure it is properly seated and
lubricated before installing
clutch.
d) Check and correct
misalignment caused by
excessive runout of flywheel,
disc, cover or clutch housing.
Replace input shaft if bearing
hub is damaged.
3. Loose components.
Attaching bolts loose at flywheel,
cover, or clutch housing.
Tighten bolts to specified torque.
Replace any clutch bolts that are
damaged.
4. Components appear
overheated. Hub of disc
cracked or torsion damper
springs are distorted or
broken.
Frequent high load, full throttle
operation.
Replace parts as needed. Alert
driver to condition causes.
5. Contact surface of release
bearing damaged.
a) Clutch cover incorrect, or
release fingers are bent or
distorted causing damage.
b) Release bearing defect.
c) Release bearing misaligned.
a) Replace clutch cover and
bearing.
b) Replace bearing.
c) Check and correct runout of
clutch components. Check front
bearing retainer sleeve surface.
Replace if damaged.
6. Release bearing is noisy. Release bearing defect. Replace bearing.
7. Clutch pedal squeak. a) Pivot pin loose.
b) Pedal bushings worn out or
cracked.
Tighten pivot pin. Replace bushings
if worn or damaged. Lubricate pin
and bushings with silicone base
lubricator chassis grease.
J9006-24