Checking For Proper Intermediate Band Apply Pin; Intermediate Band Apply Pin Selector Chart; Front Unit Parts; Installing Tools On Rear End Of Case - Pontiac TRANS AM 1977 Service Manual

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TURBO HYDRA-MATIC 200
7A1-35
Fig. 7A1-34 Checking for Proper lntermediate Band
Apply Pin
NOTE: Dial indicator travel is reversed, making the
indicator readings backwards. On an indicator that
ranges from 0-100, a 5mm (.020") travel will read 2mm
(.08OV), a 1.5mm (.06OV) travel will read lmm (.04OV).
The identification ring is located on the band end of the
pin.
f. Remove tools J 25014-2 and J 25014-1
.72mm-1.44mm (.029"-.057")
2
RINGS
1.44mm-2.16mm (.057"-.086")
3 RINGS
3875
D I A L INDICATOR TRAVEL
.Omm- .72mm
(.Om
-.029")
Fig. 7A1-35 lntermediate Band Apply Pin Selector Chart
APPLY PIN 1.0.
1 RING
FRONT UNIT PARTS
Removal
1. Check front unit end play as follows:
a. Install J 25013-1 sleeve on output shaft first; then bolt
J 25013-5 on end of case (Fig. 7A1-36).
b. Turn transmission to vertical position, pump side up.
c. Remove pump to case bolt and washer and install
278mm (1 1
")
long bolt and locking nut as shown (Fig. 7A1-
37)
d. Push turbine shaft downward.
e. Install J 25022 on J 24773 tool and secure on end of
turbine shaft.
f. Mount dial indicator and clamp assembly on bolt,
positioning indicator point against cap nut of J 24773.
g. Move output shaft upward by turning the adjusting
screw on J 25013-5 unit the white or scribed line on sleeve
J 25013-1 begins to disappear (Fig. 7A1-36), the set dial
indicator to zero.
1487
Fig. 7A1-36 Installing Tools On Rear End of Case
Fig. 7A1-37 Checking Front Unit End Play
h. Pull J 24773 on turbine shaft upward and read end
play (Fig. 7A1-37). Front unit end play should be 0.56mm-
1.3Omm (.022"-.05 1
").
NOTE: Selective washer controlling this end play is
located between the output shaft and turbine shaft. If
more or less washer thickness is required to bring end
play within specifications, select proper washer from the
following chart.

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Firebird 1977

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