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7A3-38
1977 PONTIAC SERVICE MANUAL
RETAINING
FORWARD-CLUTCH
PRESSURE PLATE
C
Fig.
7A3-85
Removing Retainer Ring
I
SEPARA
PLATES
USHION SPRING
.
-
&FACED PLATES
Fig.
7A3-86
Forward Clutch Plates
springs to take a heat set and would justify replacement of
the springs.
6.
Remove forward clutch piston assembly (Fig. 7A3-
87).
7.
Remove forward clutch piston inner and outer seals
(Fig. 7A3-88).
8.
Make certain forward clutch ball check exhaust is free
of dirt, etc. (Fig. 7A3-89).
9.
If the input shaft is scored it may be replaced using
the following procedure:
a. Using wood blocks for support, press input shaft out
of forward clutch housing.
b. Taking care support forward clutch housing on rear
thrust washer surface and press input shaft into housing until
it is properly seated.
c. Runout at rear thrust washer surface should be no
more than
.005.
\
FORWARD
CLUTCH HOUSlNO
Fig.
7A3-87
Removing Forward Clutch Piston
L F O R W A R D
CLUTCH PISTON
-""
. I
ig.
7A3-88
Forward Clutch Piston Inner and Outer Seals
Reassembly of Forward Clutch Assembly
1. Install the forward clutch inner piston seal and outer
piston seal. See Fig. 7A3-88.
2. Install the forward clutch piston assembly using a thin
feeler gage (Fig. 7A3-91).
3.
Install spring retainer and springs. Compress spring
retainer with an arbor press or ram press.
4. Lubricate with transmission fluid and install cushion
spring, faced plates and steel separator plates, starting with
the cushion spring and alternating steel and faced (Fig. 7A3-
86).
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