Pontiac FIREBIRD 1972 Service Manual page 954

TURBO HYDRA-MATIC (M-40) TRANSMISSION 7E-65
CHECK BALL BLIND HOLES
DIRECT CLUTCH FORWARD CLUTCH
F O R W A ~ D
CLUTCH PISTON
Fig. 7E-120 Identification of Clutch Pistons (Except Model
PHI
Fig. 7E-12 1 Installing Forward Clutch Piston
ASSEMBLE
NOTE: Apply automatic transmission oil to all
seals and clutch plates before re-assembly.
1. Place new inner and outer oil seals on forward clutch
piston, lips face away from spring pockets (Fig. 7E-
118).
NOTE: The forward and direct clutch pistons
*
have identical inside and outside diameters. It
is possible to reverse the pistons dunng reas-
sembly, therefore care should be exercised to
make certain the proper piston be installed in
the clutch assemblies.
*As shown in Fig. 7E-120, the forward clutch piston
can be identified by the blind hole in the clutch apply
face of the piston.
2. Place a new center seal on clutch housing, lip faces
up (Fig. 7E- 1 19).
3. Place Seal Protector Tool J 21362 over clutch hub
and install outer clutch piston Seal Protector J 21409
into clutch drum and install piston, rotating piston on
drum until seated (Fig. 7E-121).
4. Install sixteen (16) clutch release springs into pockets
in piston.
5. Place spring retainer and snap ring on springs.
6. Compress springs, using Clutch Compressor Tools J
4670, J 6129 and J 8765 and install snap ring (Fig.
7E-117).
8. Install forward clutch hub washers on forward clutch
hub. Retain with petrolatum.
9. Place forward clutch hub into forward clutch hous-
ing (Fig. 7E-115).
10. a. (Models PA, PB, PC, PC, PQ. PR, PT and PX)
Oil and install five (5) composition, four (4) flat
steel and one (1) waved steel (plate with "U"
notches) clutch plates, starting with the waved
steel and alternating composition and flat steel
clutch plates (Fig. 7E-122).
b. (Model PH only) Oil and install six (6) composi-
tion, five (5) flat steel and one (1) waved steel
7. Install turbine shaft in forward clutch housing, using
arbor press.
Fig. 7E-122 Installing Forward Clutch Pack