Valve Body Assembly; Governor Assembly; Manual Shaft, Range Selector Inner Lever And Parking Linkage Assemblies - Pontiac FIREBIRD 1972 Service Manual

TURBO HYDRA-MATIC (M-38) TRANSMISSION 76-37
VALVE BODY ASSEMBLY
REMOVAL
1. Remove oil pan and strainer. Discard gaskets.
2. Remove detent spring and roller assembly from valve
body and remove valve body-to-case bolts (Fig. 7 6 -
40).
3. Remove valve body assembly while disconnecting
manual control valve link from range selector inner
lever and removing detent control valve link from the
detent actuating lever.
CAUTION: While removing valve body assem-
bly, the intermediate servo piston and related
parts are apt to drop from the case bore because
of the normal freeness o f the teffon ring on the
intermediate servo piston. Do not
drop manual
valve.
4. Remove manual valve and link assembly from valve
body assembly.
INSTALLATION
Installation of the valve body assembly is the reverse of
REMOVAL. Install new gaskets to strainer and oil pan
and adjust the fluid level.
GOVERNOR ASSEMBLY
REMOVAL
1. Remove governor cover retaining clip, governor
-
-
cover and-0-ring seal from case.
-
2. Withdraw governor assembly from case.
INSTALLATION
Installation of the governor assembly is the reverse of
REMOVAL. Install a new O-ring seal and retaining clip
on governor cover and adjust the fluid level.
M A N U A L SHAFT, RANGE SELECTOR
INNER LEVER A N D PARKING LINKAGE
ASSEMBLIES
REMOVAL
Remove oil pan, strainer and valve body assembly.
Discard gaskets.
CAUTION: The intermediate servo piston and
related parts are apt to drop from the case bore
because o f the nonnal freeness o f the teffon
ring.
Remove manual shaft-to-case retainer and unthread
jam nut holding range selector inner lever to manual
shaft (Fig. 76-41).
Remove jam nut and remove manual shaft from
range selector inner lever and case.
NOTE: Do not remove manual shaft lip oil seal
unless replacement is required.
,
Remove parking pawl actuating rod and range selec-
tor inner lever from case (Fig. 76-42).
Remove bolts and parking lock bracket.
.
Remove parking pawl disengaging spring and, if
necessary to replace park pawl or shaft, clean up bore
in case and remove parking pawl shaft retaining plug,
park pawl shaft and pawl (Fig. 76-43).
Fig. 7G-40 Removing Valve Body Fig. 7G-41 Removing Jam Nut