Intermediate Clutch Accumulator Piston Assembly; Vacuum Modulator And Modulator Valve Assembly; Extension Housing Oil Seal - Pontiac Grand Prix Service Manual

TURBO HYDRA-MATIC TRANSMISSION M-38
7G-9
5. Remove bolts and parking lock bracket.
6. Remove parking pawl disengaging spring.
7. If necessary to replace parking pawl or shaft, clean
up bore in case and remove parking pawl shaft
retaining plug, parking pawl shaft and pawl.
INSTALLATION
Installation of parking linkage, selector lever and
manual shaft is the reverse of REMOVAL. Install new
plug (if required), new lip oil seal (if required) and
new gaskets. Adjust the fluid level.
INTERMEDIATE CLUTCH ACCUMULATOR PISTON
ASSEMBLY
REMOVAL
1. Remove two (2) oil pan bolts adjacent to accumula-
tor piston cover, install Compressor J 23069 on oil pan
lip and retain with these two (2) bolts.
2. Compress intermediate clutch accumulator piston
cover and remove its retaining ring, piston cover and
O-ring seal from case. Discard seal.
3. Remove spring and intermediate clutch accumulator
piston.
INSTALLATION
Installation of the intermediate clutch accumulator
piston assembly is the reverse of REMOVAL. Install
new O-ring seal and adjust the fluid level.
VACUUM MODULATOR AND MODULATOR VALVE
ASSEMBLY
REMOVAL
1. Disconnect vacuum hose from vacuum modulator
stem and remove vacuum modulator attaching screw
.and retainer.
2. Remove modulator assembly and its O-ring seal
from case.
3. Remove modulator valve from case.
INSTALLATION
1. Installation of the modulator and modulator valve is
the reverse of REMOVAL. Install a new O-ring seal
and adjust the fluid level.
EXTENSION HOUSING OIL SEAL
REMOVAL
1. Remove propeller shaft.
2. Pry out lip oil seal with screwdriver or small chisel.
INSTALLATION
1. Coat outer casing of new lip oil seal with a non
hardening sealer and drive it into place with Seal
Installer J 5 154.
2. Install propeller shaft and adjust fluid level.
I T 0 CASE
1
L
J
Fig. 7G-9 Removing Vacuum Modulator Assembly Fig.
7G-10
Removing Extension Housing Oil Seal