Installing Parking Brake Actuator Assembly; Installing Manual Shaft Into Case; Roller Clutch And Rear Carrier Assembly; Installing Rear Internal Gear - Pontiac TRANS AM 1977 Service Manual

TURBO HYDRA-MATIC 200 7 A 1-45
Fig. 7A1-72 lnstalling Parking Brake Pawl Cup Plug
P A R ~ N G
A C ~ A T O ~
PAWL PLUNGER
1 s
=ig. 7A1-73 lnstalling Parking Brake Actuator Assembly
RETAINING IDENTIFICATION
PIN GROOVE
Fig. 7A1-74 lnstalling Manual Shaft Into Case
2. Inspect parking pawl lugs for cracks or damage.
3. Install rear internal near. hub end first, on o u t ~ u t
shaft, as shown in Fig. 7 ~ 1 - 7 7 .
.
4. Thoroughly clean, air dry and inspect closely, the rear
internal gear to rear sun gear roller thrust bearing assembly
for pitted or rough conditions.
5 , Install rear internal gear to rear sun gear roller thrust
bearing assembly by placing the small diameter race over the
output shaft (Fig. 7A1-78).
Roller Clutch and Rear Carrier Assembly
NOTE: Models
CN, CU and CZ use a rear carrier with
2 pinions. All other models use 4 pinions.
SPEEDOMETER
DRIVE GEAR CLIP
\
SPEEDOMETER
I
SNAP RING
\
DRIVE GEAR
I
Fig. 7 A l - 7 5 Output Shaft
Fig. 7A1-76 Speedometer Drive Gear Locations
I
OUTPUT SHAFT
1502
I
Fig. 7A1-77 lnstalling Rear Internal Gear
Inspection
1. Remove roller clutch race. Inspect race and spline for
scoring or wear (Fig. 7Al-79).
2. Remove roller clutch assembly and inspect roller
bearings, cage and springs for damage or wear.
3. Remove and inspect rear carrier rear carrier to roller
clutch thrust washer for signs of scoring or excessive wear.
4. Inspect 4 tanged rear carrier to rear internal gear
thrust washer for being scored or distorted tangs.
5. Inspect rear carrier for damage.
6. Inspect roller clutch cam ramps for damage.
7. Inspect bushing for damage or scoring.
8. Inspect planet pinions for damage, rough bearings or
tilt.