Pontiac FIREBIRD 1972 Service Manual page 862

FOUR SPEED SAGINAW TRANSMISSION 7C-5
LUBRICATE WITH
@
CHASSIS LUBRICANT
A
150 LB. IN.
20 LB. FT.
TRANSMISSION CASE COVER
REMOVE
1. Raise vehicle on hoist.
Fig. 7C-5 Back Drive Linkage
-
F Series
4. Replace damaged parts.
ASSEMBLE
2. Disconnect control rods from levers. Disconnect
back-up lamp and TCS switch at cover.
3. Shift transmission into neutral detent positions before
removing cover.
4. Remove cover assembly from transmission case care-
fully and allow to drain.
DISASSEMBLE
1. Remove the outer shifter levers and TCS switch.
2. Remove both shift forks from shifter shaft assem-
blies. Remove all three shifter shaft assemblies from
cover. The lip seal in the cover and "0" ring seal on
the 1-2 and reverse shafts may now be pryed out if
required because of damage. Remove reverse shifter
shaft detent ball and spring (Fig. 7C-6).
3. Remove detent cam spring and pivot retainer "C"
ring. Mark to identify for reassembly, then remove
both detent cams.
1. With detent spring tang projecting up over the 3rd
and 4th shifter shaft cover opening, install the first
1-2 DETENT
DETENT 3-4 DETEN7
CqM
'Iv0i 'IN SPRING /CAM
1-2 SHIFTER
SHAFT ASSY.
REVERSE
SHIFTER SHAFT
ASSY.
DETENT SPRl
& BALL (UNDERNEATH)
Fig. 7C-6 Side Cover Assembly