Pontiac firebird 1968 - Page 424

FOUR SPEED MUNCIE MANUAL TRANSMISSION
7D-5
Fig. 7D-4 Removing Extension Oil Seal
Fig. 7D-5 Installing Extension Oil Seal
8. Inspect and replace necessary parts.
TRANSMISSION SIDE COVER-ASSEMBLE
AND INSTALL
1. Install 1-2 detent cam to cover pivot 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, lock-
washers and nuts, torquing to 30 lb. ft.
5. Shift 1-2 shifter lever into second speed (for-
ward) position. Position cover gasket on case.
NOTE: When installing new gasket, do not coat
with grease.
6. Carefully position side cover into place, making
sure the shift forks are aligned with their respective
mainshaft clutch sliding sleeves (Fig. 7D-6).
7. Install cover attaching bolts and tighten evenly
to 18 lb. ft. torque.
8. Remove filler plug at side of transmission and
add 2 1/2 pints of SAE 90 multi-purpose gear lubri-
cant. Lubricant level should be approximately level
with bottom of filler hole. Install and tighten plug
to 30 lb. ft. torque.
DETENT CAM PIVOT PIN
Fig. 7D-6 Removing and Installing Side Cover
Fig. 7D-7 Transmission Side Cover