Installing Thrust Washer On Pump; Guide Pins Installed Thru Pump To Case; Check Front Unit End Play - Pontiac TRANS AM 1977 Service Manual

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TURBO HYDRA-MATIC 200
7A1-65
RIGHT
WRONG
3842
Fig.
7A1-159
Teflon Oil Seal Rings
Fig.
7 A 1 - 1 6 0
Installing Thrust Washer on Pump
13. Install 2 pump to case guide pins in case as shown
in Fig. 7A1-161.
NOTE: Before installing pump, make sure intermediate
band anchor pin lug is aligned with band anchor pin in
hole in case.
14. Install pump assembly and finger start pump to case
bolts and new washers, except one bolt hole which will be
used to make the front unit end play check.
NOTE: If turbine shaft cannot be rotated as pump is
being pulled into place,the forward or direct clutch
housings have not been installed properly to index with
all the clutch plates. This condition must be corrected
before pump is pulled fully into place.
15. Replace 2 alignment pins with 2 bolts and new
washers.
16. Torque pump to case bolts to 20.0-27.0 N - m (15-20
lb. ft.)
NOTE: Make sure turbine shaft rotates freely.
Fig.
7A1-161
Guide Pins Installed Thru Pump to Case
Check Front Unit End Play (Fig. 7A1-162)
Fig.
7 A 1 - 1 6 2
Checking Front Unit End Play
1. Install 278mm (1 1") bolt and locking nut as shown
in Fig. 7A1-162.
2. Push turbine shaft downward.
3. Install J 25022 on J 24773 tool and locate on end of
turbine shaft.
4. Mount dial indicator on bolt and position indicator
point against cap nut of
J
24773.
5. Move output shaft forward by turning the adjusting
screw on
J
25013-5 until the white or scribed line on sleeve
J 25013-1 begins to disappear, then set dial indicator to zero.
6. Pull turbine shaft upward and read end play. Front
unit end play should be O.056mm- 1.3Omm (.O22"-.05 1
").
NOTE: Selective washer contrdling 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
FRONT UNIT E N D PLAY WASHER THICKNESS
CHART.
7. Remove front unit end play checking tools.

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Firebird 1977

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