Park Lock Bracket Special Bolt Identification; Valve Body, Oil Pan And Gasket; Installing Manual Shaft To Case Retainer; Location Of Four Check Balls - Pontiac TRANS AM 1977 Service Manual

TURBO HYDRA-MATIC 2 5 0 TRANSMISSION 7A2-47
5. Install parking pawl disengaging spring, square end
hooked on pawl.
6. Install park lock bracket, using 2 special bolts (GM
300M, 6 marks on head), and torque bolts to 29 Ib. ft. (Fig.
7A2- 109).
Fig. 7A2-109 Park Lock Bracket Special Bolt
Identification
7. Install range selector inner lever to parking pawl
actuator rod.
8. Install actuating rod under the park lock bracket and
parking pawl.
9. Install manual shaft through case and range selector
inner lever.
10. Install retaining nut on manual shaft. Torque to 30
lb. ft. (Fig. 7A2-110).
RANGE SELECTOR
M A N U A L SHAFT
I
1
RANGE SELECTOR
LEVER
L
Fig. 7A2-1 1 0 Tightening Nut On Manual Shaft
MANUAL SHAFT TO
CASE RETAINER
/
- - - --
Fig. 7A2-1 11 Installing Manual Shaft To Case Retainer
1 1. Install manual shaft to case retainer (Fig. 7A2- 1 1 1).
VALVE BODY, OIL PAN A N D GASKET
1. Install oil pump pressure screen and governor feed
screen.
2. Install four (4) check balls into proper transmission
case pockets (Fig. 7A2- 1 12).
3. Install valve body transfer plate and lower valve
gasket.
Fig. 7A2- 1 1 2 Location of Four (4) Check Balls
4. Install upper valve gasket.
5. Install intermediate servo return spring.
6. Install valve body. Connect manual control valve link
to range selector inner lever. Torque bolts in random
sequence to 130 lb. in.
7. Install transfer support plate, torque bolts to 130 Ib.
in.
8. Connect detent control valve wire to detent valve
actuating lever, then attach lever to valve body.
9. Install detent roller and spring assembly to valve body
(Fig. 7A2- 1 13).