Pontiac FIREBIRD 1972 Service Manual page 934

TURBO HYDRA-MATIC (M-40) TRANSMISSION 7E-45
Fig. 7E-53 Removing Electrical Connector and 0-Ring Seal
6. Withdraw electrical connector and O-ring seal (Fig.
7E-53).
7. Remove control valve assembly spacer plate and gas-
ket.
8. Remove six (6) check balls from cored passages in.
transmission case (Fig. 7E-54).
NOTE: Mark location o f balls for aid in reas-
sembly.
9. Remove front servo piston, retainer ring, pin, spring
retainer and spring from transmission case (Fig. 7E-
5 5).
REAR OIL SEAL AND CASE EXTENSION
REMOVE
1. If necessary to replace, pry rear oil seal from case
extension (Fig. 7E-56).
,SERVO PISTON
Fig. 7E-55 Removing Front Servo Assembly
2. Remove case extension-to-case attaching bolts.
3. Remove case extension and case extension-to-case
gasket (Fig. 7E-57).
FRONT END PLAY CHECKING
PROCEDURE
1. Remove one front pump attaching bolt and bolt seal.
2. Install a 5/16"-18 threaded slide hammer bolt or J
21904-1 into bolt hole (see Fig. 7E-58 for location).
3. Mount Dial Indicator J 8001 on rod and index in-
dicator to register with end of turbine shaft.
Fig. 7E-54 Location of Check Balls Fig. 7E-56 Removing Rear Oil Seal