Removal Of Lntermediate Servo Piston; Removing Pump Pressure Screen; Cleaning Governor Screen; Removal Of Oil Pump Assembly - Pontiac TRANS AM 1977 Service Manual

7A3-24 1977 PONTIAC SERVICE MANUAL
E X T E N S I O N
OIL P U M P PRESSURE S C R E E N
Fig. 7A3-37 Removing Pump Pressure Screen
Fig. 7A3-35 Installing Extension ~ o u s i n g ~ u s h i n ~
Fig. 7A3-38 Cleaning Governor Screen
Fig. 7A3-36 Installing Lip Oil Seal
6. Remove park lock bracket (Fig. 7A3-41).
7. Remove parking pawl shaft retaining plug stake
marks.
8. Using #4 easy out, remove parking pawl shaft
retaining plug.
9. Remove retaining plug, parking pawl shaft, parking
pawl and disengaging spring (Fig. 7A3-42).
Removal of lntermediate Servo Piston
1. Remove intermediate servo piston, washer, spring seat
and apply pin (Fig. 7A3-43).
2. If the piston seal needs replacing, the piston assembly
will have to be replaced. This is due to a plastic grooved
piston that is not serviceable (Piston and Seal are one
assembly).
REMOVAL OF P U M P ASSEMBLY,
CUSHION SPRING, INTERMEDIATE
CLUTCH PLATES AND OVERRUN
BRAKE BAND
Removal of Oil Pump Assembly
1. Remove eight (8) pump attaching bolts with washer
type seals. Discard washer type seals.
2. Install two (2) threaded slide hammers J 7004 into
threaded holes in pump body. Tighten jam nuts and remove
pump assembly from case (Fig. 7A3-44).
3. Remove pump assembly to case gasket and discard.
Removal of lntermediate Clutch Cushion Spring,
lntermediate Clutch Plates and lntermediate
Overrun Brake Band
1. Remove intermediate clutch cushion spring.