Table of Contents
Advertisement
7A1-56
1977 PONTIAC SERVICE MANUAL
f
DIRECT
7
CLUTCH
CLUTCH INNER SEAL
PISTON
(LIP UP)
1551
- -
-
Fig.
7A1-1 19
Removing and Installing ~irect-clutch
piston Inner Seal
CLUTCH
CENTER SEAL
HOUSING
(LIP UP)
1554
Fig.
7A1-120
Direct Clutch Housing Center Seal
Reassembly
1. Install clutch apply ring on piston.
2. Install new inner and outer seals on piston with lips
facing away from clutch apply ring side (Figs. 7A 1- 1 18 and
119).
3. Install new center seal on direct clutch housing with
lip facing up (Fig. 7A1-120).
4. Install seal protector J 25010 over center seal (Fig.
7A1-121).
C A UT I 0 N
:
Use extreme care when installing
direct clutch piston past larger direct clutch snap
ring groove. Groove could cut outer seal on piston.
5. Oil seals and install direct clutch piston.
NOTE: To make piston easier to install, insert tool
between seal and housing; rotate tool around the housing
to compress the lip of the seal, while pushing down
slightly on the piston (See Tool Fig. 7A 1-122).
6. Remove seal protection J 25010.
7. Install release spring guide with the omitted rib of
guide over the check ball in the piston (Fig. 7A1-123).
8. Install retainer and spring assembly.
CAUTION: Retainer could locate in snap ring
groove and forcing retainer to compress springs,
could damage retainer plate when installing.
PISTON
1555
L
.
- - -
Fig.
7A1-12 1
Installing Direct Clutch Piston
NOTE: Models BR, CN, CU, CX, CZ and PY use a
direct clutch retainer and spring assembly which
contains 16 release springs. All other models use a
retainer and spring assembly with 10 release springs.
9. Using J 23327 tool, compress retainer and spring
assembly past the snap ring groove. Install the snap ring (Fig.
7Al-124). An arbor press and J 23327 can be used to
compress the retainer and spring assembly.
10. Remove J 23327.
11. Oil and install direct clutch plates into direct clutch
housing,
starting with a flat steel and alternating
composition-faced and flat steel clutch plates (Fig. 7A 1
-
125
and see Fig. 7A1-98B for proper clutch plate usage).
12. Install backing plate, chamfered side up.
13. Install snap ring (Fig. 7A1-126).
NOTE: Make sure composition clutch plates turn freely.
14. Set direct clutch assembly aside.
Forward Clutch Housing Assembly (Fig. 7A1-
127)
Inspection
1. Inspect telfon oil seals on turbine shaft for damage and
free fit in grooves. Do not remove unless replacing.
2. Remove and inspect forward clutch to direct clutch
thrust washer for damage (Fig. 7A1-128).
3. Place forward clutch down with turbine shaft through
hole in work bench.
4. Remove snap ring and inspect for damage (Fig. 7A1-
129).
5. Remove backing plate from the forward clutch
housing.
6. Remove the clutch plates from the forward clutch
housing and keep them separated from the direct clutch
plates. (See Clutch Plate Usage Chart, Fig. 7A1-98B).
7. Inspect composition-faced and steel clutch plates for
signs of wear or burning.
8. Inspect backing plate for scratches or damage.
9. Using tools J 25024 and J 23327-1, compress retainer
and spring assembly and remove snap ring (Fig. 7A 1- 130).
An arbor press and tools J 25018 and J 23327-1 can be used
to compress the retainer and spring assembly.
Advertisement
Table of Contents
