Pontiac FIREBIRD 1972 Service Manual page 863

7C-6 1972 PONTIAC SERVICE MANUAL
and second detent cam onto the detent cam pivot pin.
6. Install outer shifter levers, flat washers, lock washers
With the detent spring tang projecting up over the
and bolts.
first and second shifter shaft cover hole, install the
3rd and 4th detent cam.
1. Shift shifter levers into neutral detent (center) posi-
NOTE: The 1-2 detent cam has
.O9O"
greater
tion. Position cover gasket on case.
contour on the inside detent notch.
2. Carefully position side cover into place, making sure
2. Install detent cam retaining "C" ring to pivot shaft
the shift forks are aligned with their respective main-
and hook spring into detent cam notches.
shaft clutch sliding sleeves.
3. Install 1-2 and 3-4 shifter shaft assemblies in cover,
3. Install cover attaching bolts and tighten evenly to 22
being careful not to damage seals. Install both shift
lb. ft. torque.
forks to shifter shaft assemblies, lifting up on detent
4. Connect shift rods to levers at side cover.
cam to allow forks to fully seat into position.
5. Connect TCS switch wiring.
-
4. Install reverse detent ball and spring to cover, then
6. Remove filler plug and add lubricant specified in
install reverse shifter shaft assembly to cover.
Section 0, to level of filler plug hole. Lower and
5. Install TCS switch in cover. remove vehicle from hoist.
MAJOR REPAIRS
TRANSMISSION
REMOVE
Refer to Section 7A.
DISASSEMBLE
1. Remove side cover attaching bolts, drain lubricant
and remove side cover, gasket and shift forks.
2. Remove front bearing retainer and gasket.
3. Remove front bearing-to-main drive gear snap ring.
4. Pull main drive gear out of case as far as possible and
remove front bearing (Fig. 7C-7).
1
PULL MAIN
DRIVE GEA
FORWARD
NOTE: Although front bearing is a slip fit on
main drive gear, it may be necessary to aid
removal with screw driver.
Remove extension housing-to-case attaching bolts.
From rear of case, remove extension housing and
mainshaft assembly (Fig. 7C-8).
Separate main drive gear and 4th speed blocker ring
from mainshaft assembly and remove 14 bearing roll-
ers from main drive gear.
Using snap ring pliers, expand snap ring in extension
housing which retains the mainshaft rear bearing and
remove the extension housing (Fig. 7C-9).
Using Countershaft Alignment Tool J 22246, tap out
countergear shaft and its woodruff key out through
rear of case (Fig. 7C- 10) and remove countergear and
2 tanged thrust washer.
Fig. 7C-7 Removing Front Bearing Fig. 7C-8 Removing or Installing Mainshaft Assembly