Toyota Celica Supra 1986 Service And Repair Manual page 336

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AUTOMATIC TRANSMISSION - Component Groups {Overdrive Case and Brake) AT-61
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4 . REMOVE RING GEAR AND THRUST WASHER
5 . REMOVE THRUST BEARING AND RACES FROM
OVERDRIVE CASE
Note the position of the races.
6. REMOVE SNAP RING, SPRING RETAINER AND RETURN
SPRINGS
7. REMOVE BRAKE PISTON
Blow compressed air through the case hole indicated in the
figure to pop out the brake piston .
If the piston does not pop out, lift it out with needle-nose
pliers .
8. REMOVE TWO OIL SEAL RINGS FROM OVERDRIVE CASE
9. REMOVE 0 -RINGS FROM PISTON
INSPECTION OF OVERDRIVE CASE AND BRAKE
INSPECT DISC, PLATE AND FLANGE
Check that the sliding surface of disc is not worn or burnt.
If the disc is wom or burnt. replace all discs.
Then check that the sliding surfaces of plate and flange
are not worn or burnt.
If necessary, replace them .
NOTE: Do not allow the d iscs to dry out.
Prepare new discs by soaking them at least two hours in
ATF.