Pontiac FIREBIRD 1972 Service Manual page 961

7E-72 1972 PONTIAC SERVICE MANUAL
Fig. 7E-14 1 Installing lnterrnediate Clutch Piston
5. Inspect piston sealing surfaces for scratches.
6. Inspect piston seal grooves for nicks or other damage.
7. Inspect piston for cracks or porosity.
8. Inspect release springs for distortion.
9. Inspect support-to-case spacer for burrs or raised
edges. If present, remove with a stone or fine sand
paper.
ASSEMBLE
1. Install new inner and outer seals on piston with lip
Fig. 7E-142 Installing Clutch Piston Snap Ring
C A S T IRON OIL SEAL RINGS
AL RING
SUPPORT
Fig. 7E-143 Oil Seal Rings on Center Support
of seal facing away from spring pocket (Fig. 7E-139
and 7E- 140).
2. Install Inner Seal Protector Tool J 21363 on center
. support hub and install piston, indexing spring pock-
ets of piston into cored areas of center support (Fig.
7E- 141).
3. Install three (3) release springs into counterbores of
piston. Space equally during assembly.
4. Place spring retainer and snap ring over springs.
5. Compress springs and install snap ring (Fig. 7E-142).
6. Install three (3) hook-type cast iron oil seal rings on
b
Fig. 7E-144 Air Checking Intermediate Clutch Piston