Case Extension And Gasket; Front End Play Checking Procedure; Checking Front End Play; Removing Front Seal - Pontiac TRANS AM 1977 Service Manual

7A4-28 1977 PONTIAC SERVICE MANUAL
GASKET
'
2608
Fig.
7A4-30
Case Extension and Gasket
FRONT END PLAY CHECKING
PROCEDURE
1. Remove one front pump attaching bolt and bolt seal.
2. Install a 5/16"-18 threaded slide hammer bolt or Bolt
J 2 1904-1 into bolt hole (see Fig. 7A4-31 for location).
Fig.
7A4-3
1 Checking Front End Play
3. Mount Indicator J 8001 on rod and index indicator
to register with end of turbine shaft.
4. Push turbine shaft rearward.
5. Push output shaft forward.
6. Set dial indicator to Zero.
7. Pull turbine shaft forward.
8. Read resulting travel (or end play). Should be
.003"-.024".
9. Selective washer controlling this end play is the
washer located between pump cover and forward clutch
housing. If more or less washer thickness is required to bring
end play within specifications, select proper washer from the
following chart:
Thickness Color
.Om-.064" Yellow
.071-.075" Blue
.082-.086" Red
.093-.097"
Brown
.104-.108" Green
115-.119" Black
126-.130N Purple
NOTE: An oil soaked washer may tend to discolor, so
it will be necessary to measure washer for its actual
thickness.
OIL PUMP
1. If necessary to replace, pry front seal from pump (Fig.
Fig. 7A4-32 Removing Front Seal
2. Remove pump attaching bolts.
3. Install 3/8"-16 threaded Adapters J 6125-2 into bolt
holes in pump body, attach Hammers J 6125-1 and remove
pump assembly from case (See Fig. 7A4-33 for location of
threaded holes).
4. Remove and discard pump-to-case seal ring and
gasket.
5. Remove forward clutch assembly and turbine shaft
from transmission (Fig. 7A4-34).
6. Remove forward clutch hub to direct clutch housing
thrust washer if it did not come out with forward clutch
housing.
7. Remove direct clutch assembly (Fig. 7A4-35).
8. If necessary, remove manual linkage as follows:
a. Unthread jam nut holding detent lever to manual
shaft.
b. Remove manual shaft retaining pin from case (Fig.
7A4-36).
c. Remove manual shaft and jam nut from case (Fig.
7A4-37).
CAUTION: DonotJosejamnutasit becomesfree
from manual shaft.