Pontiac FIREBIRD 1972 Service Manual page 849

7B-10 1972 PONTIAC SERVICE MANUAL
ASSEMBLE
1. Install 1st & Rev. detent cam onto the detent cam
pivot pin and then 2nd & 3rd detent cam so that
spring tangs of cams are facing up over their shifter
shaft holes in the side cover.
2. Install detent cam retainer " E ring to pivot shaft
and hook detent spring over detent cam tangs.
3. Install both shifter shaft assemblies in cover, being
careful not to damage "0" ring seals, and install both
shifter forks to shifter shaft assemblies, lifting up on
detent cams to allow forks to fully seat into position.
4. Install outer shifter levers, flat washers and bolts.
Torque bolts to 25 lb. ft. and shift the outer shifter
levers into neutral (center position).
INSTALL
1. Position side cover gasket on case and carefully posi-
tion side cover into place, making sure that shifter
forks are aligned with their respective synchronizer
sleeves.
2. Install side cover bolts, tighten to 20 lb. ft, torque and
connect control rods to shifter levers.
3. Remove filler plug from case and add SAE 90 "Multi
Purpose" gear lubricant so that lubricant level is ap-
TRANSMISSION
REMOVE
1. Raise vehicle on hoist.
proximately level with bottom of filler plug hole
when unit is at operating temperature. With unit
cold, lubricant level should be 1/2 inch below the
filler plug hole.
4. Install and tighten filler plug to 15 lb. ft. torque, lower
and remove vehicle from hoist.
GEARSHIFT CONTROL LEVER
REMOVE
1. Release control lever by inserting a thin rule or a
piece of .015" to .020" thick shim stock into the
socket alongside the base of the floor gearshift lever
on the driver's side.
2. Insert rule or stock to a depth of at least one inch to
unlock its bayonet retainer.
3. Lift the control lever and tool up out of the shifter
socket.
INSTALL
Replace lever. When inserting into the shifter socket, the
bayonet will lock control lever automatically into posi-
tion.
MAJOR REPAIRS
taching bolts. If shifter assembly removal is not re-
quired, it may be left hanging from its floor seal.
7. Remove two (2) upper transmission-to-clutch hous-
ing retaining bolts, install two (2) Transmission
Aligning Studs J 1126 in their place and then remove
the two (2) lower retaining bolts.
2. Replace propeller shaft as outlined in Section 4E. 8. Slide transmission rearward and remove from vehi-
cle.
3. Disconnect speedometer cable from its driven gear
fitting and disconnect electrical leads from transmis-
sion.
DISASSEMBLE (Fig. 7B-8)
4. Remove frame-to-crossmember attaching bolts and 1. With transmission shifter shafts in neutral, remove
nuts and crossmember-to-rear mounting assembly side cover attaching bolts (7), cover assembly, shifter
bolts. forks (2) and drain lubricant.
5. Support engine, raise slightly and slide crossmember 2. ~ e m o v e extension housing-to-case attaching bolts
rearward or remove. (5).
6. Remove shifter levers at transmission shifter shafts 3. Rotate extension housing 1/4 counterclockwise and,
and remove shifter assembly-to-shifter support at- using drift or other suitable tool, drive reverse idler