Opel 1900 1973 Service Manual page 363

1973 OPEL SERVICE MANUAL
DIAGNOSIS
CLUTCH TROUBLE DIAGNOSIS
C o n d i t i o n
Fails to release (pedal
pressed to floor - shift
lever does not move
freely in and out of
"Reverse" gear.
Slipping
Grabbing
Possible Cause
adjustment.
2. Faulty pilot bearing.
3. Faulty driven plate.
4. Yoke off ball stud.
5. Clutch driven plate hub
binding on main drive gear
1. Improper adjustment (no
lash).
2. Oil-soaked driven plate.
3. Worn facing or facing
4. Warped pressure plate or
flywheel.
5. Weak diaphragm spring.
6. Driven plate not seated
in.
7. Driven plate overheated.
1. Oil on facing or burned
or glazed facings.
2. Worn splines on main
drive gear.
3. Loose engine mountings.
4. Warped pressure plate or
flywheel.
5. Burned or smeared resin
on flywheel or pressure
plate.
Correction
1. Adjust cable.
2. Replace bearing.
3. Replace driven plate.
4. Install properly.
5. Repair or replace main drive
gear.
1. Adjust cable.
2. Install new driven plate and
correct oil leak at its source.
3. Replace driven plate.
4. Replace same.
5. Replace cover assembly.
6. Make 20-50 normal starts.
7. Allow to cool - check lash.
1. Repair oil leak and install
new driven plate.
2. Replace transmission main drive
gear.
3. Tighten or replace mountings.
4. Replace pressure plate or
flywheel.
5. Sand off if superficial, replace
burned or heat checked parts.