Removing Pressure Regulator Valve; Converter And Modulator; Governor, Speedometer Driven Gear, Pan, Filter And Intake Pipe; Unit Repair - Pontiac TRANS AM 1977 Service Manual

7A4-24 1977 PONTIAC SERVICE MANUAL
Fig.
7A4-15
Removing Pressure Regulator Valve
UNIT REPAIR
TRANSMISSION
REMOVE A N D INSTALL
Before raising the car, disconnect the battery and release
the parking brake.
1. Remove propeller shaft.
2. Disconnect speedometer cable, electrical lead-to-case
connector, vacuum line at modulator, redundant ground
cable from transmission case and oil cooler pipes.
3. Disconnect shift control linkage.
4. Support transmission with jack.
5. Disconnect rear mount from transmission and frame
crossmember.
6. Remove two bolts at each end of frame crossmember
and remove crossmember.
7. Remove converter dust shield and mark flywheel and
converter for reassembly in same position.
8. Remove flywheel plate-to-converter bolts.
9. Loosen exhaust pipe-to-manifold bolts approximately
1/4" and lower transmission until jack is barely supporting
it.
10. Remove transmission-to-engine mounting bolts.
1 1 . Raise transmission to its normal position, slide
rearward from engine and lower it away from car.
CAUTION: When lowering transmission, k e p
rear of transmission lower than front so as not to
lose converter, or retain converter by using Clamp
3 21366.
12. The installation of the transmission is the reverse of
the removal.
CONVERTER AND MODULATOR
1. With transmission in cradle on portable jack, remove
Clamp J 21366 and remove converter assembly by pulling
straight out.
NOTE: Converter contains a large amount of oil.
2. Install Fixture J 8763 on transmission so that
modulator will be located on side of holding fixture nearest
bench (Fig. 7A4- 16).
NOTE: Do not over-torque holding screw. This will
bind center support.
3. Install fixture and transmission into Base J 3289-20
with bottom pan facing up.
4. Remove modulator attaching screw and retainer (Fig.
7A4- 17).
5. Remove modulator assembly and O-ring seal from
case.
6. Discard O-ring seal and remove modulator valve from
transmission case.
GOVERNOR, SPEEDOMETER
DRIVEN GEAR, PAN, FILTER AND
INTAKE PIPE
1 . Remove attaching screws, governor cover and gasket.
Discard gasket (Fig. 7A4- 18).