Removing Extension Oil Seal; Removing And Installing Side Covir; Installing Extension Oil Seal - Pontiac Grand Prix Service Manual

FOUR-SPEED MUNCIE MANUAL TRANSMISSION
7D-5
Fig. 7D-4 Removing Extension Oil Seal
TRANSMISSION SIDE COVER
REMOVE
1. Disconnect control rods from levers.
2. Shift transmission into second speed, before remov-
ing cover, by moving 1-2 (rear) shifter lever into
forward detent position.
3. Loosen side cover bolts and allow transmission to
drain.
4. Remove transmission side cover assembly from
transmission case (Fig. 7D-6).
5. Remove outer shifter lever nuts, lockwashers and
flat washers. Pull levers from shafts.
6. Remove both shift forks from the shifter shaft and
detent plate assemblies. Remove both shifter shaft
assemblies from cover. Lip seals in side cover may now
be pryed out if replacement is required because of
damage (Fig. 7D-7).
7. Remove detent cam spring and pivot retainer
C-ring. Remove both detent cams.
8. Inspect and replace necessary parts.
Fig. 7D-6 Removing and Installing Side Covir
REPLACE
1. Install 1-2 detent cam to cover pivpt pin first, then
install 3-4 detent cam so the detent spring notches are
offset or opposite each other. Detent cam notches must
be facing downward.
,
2. Install detent cam retaining C-ring to pivot shaft
and hook spring into detent cam notches.
3. Install both shifter shaft assemblies in cover, being
careful not to damage lip seals. Install both shift forks
to detent plates, lifting up on detent cam to allow forks
to fully seat into position.
4. Install outer shift levers, flat washers, lockwashers
and nuts, torquing to 30 lb. ft.
5. Shift 1-2 shifter lever into second speed (forward)
position. Position cover gasket on case.
NOTE: When installing new gasket, do not coat with
greare.
1-2 DETENT C A M DETENT SPRING 3 - 4 DETENT C A M
1-2 SHIFTER SHAFT 3 - 4 SHIFT
A N D DETENT PLATE FORK
1-2 SHIFT FOR
SHAFT
T PLATE
DETENT C A M PIVOT P I N
Fig. 7D-5 Installing Extension Oil Seal
Fig. 7D-7 Side Cover Assembly