Opel 1900 1973 Service Manual page 447

1973 OPEL SERVICE MANUAL
Condition
6. Abrupt 3-2 coast downshift.
7. Flare on high speed forced
downshift.
8. Flare on low speed forced
downshift.
Engine Braking
1. No engine braking in "L" range.
2. No engine braking in "S" range.
3. No park.
Noises
1. Excessive noises in all drive
ranges.
2. Screaching noise when starting.
3. Short vibrating, hissing noise
shortly before 1-2 upshift.
Abrasive
1. Excessive amount of iron
(can be picked up by magnet
in oil pan).
2. Excessive amount of aluminum
dust (cannot be picked up
magnet) in oil pan.
dust
by
a) Low speed downshift timing valve
stuck open.
a) Low oil pressure.
b) Band adjustment loose
a) Low oil pressure.
b) Band adjustment loose.
c) High speed downshift timing valve
stuck in closed position.
d) Sprag race does not grip on 3-1 down shifting
a) Selector lever linkage improperly
adjusted.
b) Manual low control valve stuck.
a) Selector lever linkage improperly
adjusted.
a) Selector lever linkage improperly
adjusted.
b) Parking lock actuator spring.
c) Parking pawl.
d) Governor hub.
a) Too much backlash between sun gear
and planetary gears.
b) Lock plate on planetary carrier loose.
c) Thrust bearing defective.
d) Bearing bushings worn.
e) Excessive transmission axial play.
governor hub.
g) Converter balancing weights loose.
h) Converter housing attaching bolt
loose and contacting converter.
a) Converter failure.
a) Dampening cushion of reverse clutch
wearing into transmission case.
a)
Oil pump.
b) Governor hub.
c) Second clutch hub
a) Thrust face in case.
b) Rear bore of case.
c) Stator thrust washer - check
converter end clearance.
Cause