Opel 1900 1973 Service Manual page 444

Condition
Starting
1. No starting in any drive
range.
2. No starting in any drive range
for a time. Driving possible only
after repeatedly moving selector
lever to and fro.
3. No starting after shifting
lever from "P" to "D", "S", or "L"
(inadequate engine acceleration).
4. Sudden starting only after
increase of engine RPM.
5. Heavy jerking when starting.
6. No starting in "D" or "S"
range, but in "L" and "R" range.
7. No starting in "D" or "S" and
"L" (proper driving in "R"; see
also point 9).
AUTOMATIC TRANSMISSION 7C-
a) Low oil level.
b) Clogged suction screen.
c) Manual valve linkage or inner trans-
mission selector lever disconnected.
d) Input shaft broken.
position.
Manual valve position does not coincide
with valve body channels:
a) Selector lever shaft retaining
pin dropped out.
b) Connecting rod to manual valve
shifting.
c) Selector lever shaft nut loose.
a) Parking paw1 does not disengage.
a) Band servo piston jamming.
b) Low oil level.
c) Oil pump defective.
d) Oil screen missing.
e) Sealing ball in valve body dropped out
a) Low oil pressure.
b) Wrong modulator valve.
c) Pressure regulator valve stuck.
d) Sealing ball in valve body dropped out.
a) Input sprag installed backwards.
b) Input sprag failure.
a) Band worn, does not grip.
c) Excessive leak in band servo.
d) Parking paw1 does not disengage.
Cause
83