Removing Turbine Shaft And Forward Clutch; Removing Direct Clutch Assembly; Location Of Manual Shaft Retaining Pin - Pontiac TRANS AM 1977 Service Manual

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TURBO HYDRA-MATIC 4 0 0 AUTOMATIC TRANSMISSION
7A4-29
Fig. 7A4-33 Removing Pump Assembly
Fig. 7A4-34 Removing Turbine Shaft and Forward Clutch
d. Remove parking actuator rod and detent lever
assembly.
e. Remove attaching screws and parking bracket (Fig.
7A4-38).
f. Remove parking pawl return spring (Fig. 7A4-39).
NOTE: The following steps are to be completed only if
one or more of the parts involved require replacement:
g. Remove parking pawl shaft retaining spring (Fig.
7A4-40).
h. Remove parking pawl shaft cup plug by inserting a
screwdriver between the parking pawl shaft and the
transmission case rib (Fig. 7A4-4 1).
i. Remove parking pawl shaft and parking pawl (Fig.
7A4-42).
9. Remove front band (Fig. 7A4-43).
10. Remove sun gear shaft (Fig. 7A4-44).
1 1.
Check end play as follows:
a. Install Bolt J 21904 into an extension housing
attaching bolt hole.
Fig. 7A4-35 Removing Direct Clutch ~ s s e m b x
Fig. 7A4-36 Location of Manual Shaft Retaining Pin
b. Mount Indicator J 8001 on rod and index with end
of output shaft (Fig. 7A4-45).
c. Move output shaft in and out to read end play. End
play should be from .007" to .019". Selective washer
controlling this end play is a steel washer having 3 lugs. It
is located between a thrust washer and the rear face of
transmission case.
d. If a different washer thickness is required to bring end
play within specification, it can be selected from the following
chart:

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Firebird 1977

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