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7A 1-40
1 9 7 7 PONTIAC SERVICE MANUAL
Fig.
7A1-54
Removing Rear Unit Parts
3. Roller clutch and rear carrier:
a. Remove roller clutch and rear carrier assemblv from
output shaft.
NOTE: Models CN, CU and CZ use a rear carrier with
2 pinions. All other models use 4 pinions.
b. Remove the 4 tanged rear carrier to rear internal gear
thrust washer from the end of the rear carrier, or inside the
rear internal gear (Fig. 7A1-55).
Fig.
7A1-55
Removing Thrust Washer
4. Remove low and reverse clutch plates from output
shaft.
5. Rear internal gear:
a. Remove rear internal gear to rear sun gear roller
thrust bearing assembly from rear internal gear.
b. Remove rear internal gear from output shaft (Fig.
7A1-56).
6. Turn transmission to horizontal position and remove
J 25013-5 and J 25013-1 tools from case. Turn transmission
to vertical position with rear end up.
7. If necessary, remove real oil seal (Fig. 7A1-57).
OUTPUT W A F T
1502
- -
- -
Fig.
7A1-56
Removing Rear
internal
Gear
1
*%
REAR
01L
SEAL
\
Fig.
7A1-57
Removing Rear
Oil
Seal
M A N U A L SHAFT A N D PARKING P A W L
PARTS
(Fig. 7A1-58)
Removal
1. Turn transmission to horizontal position, oil pan side
UP.
2. If necessary, remove manual shaft and parking linkage
as follows:
a. Remove hex nut which holds inside detent lever to
manual shaft (Fig. 7A 1-59).
b. Remove parking brake actuator rod and inside detent
lever assembly.
c. Remove manual shaft retaining pin from case and slide
manual shaft out (Fig. 7A1-60).
d. Inspect manual shaft to case seal for damage.
If necessary, pry out manual shaft seal using screwdriver
(Fig. 7A1-61).
e. Remove parking brake bracket (Fig. 7A1-62).
f. Remove parking brake pawl shaft retaining pin (Fig.
7A 1-63).
g. Using 6.3mm (No. 4) easy out, remove parking brake
pawl cup plug and discard (Fig. 7A1-64).
NOTE: Grind approximately 20mm (3/4") from end of
6.3mm (No. 4) easy out to remove cup plug.
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