Assembly Of First And Reverse Brake Piston - Toyota MR2 1988 Repair Manual

AUTOMATIC TRANSAXLE - Component Groups (First and Reverse Brake Piston)
AT-85
AT0198 AT0376
AT0199
3.
REMOVE PISTON FROM TRANSMISSION CASE WITH
COMPRESSED AIR
(a) Apply compressed air into the oil passage of the case
to remove the piston.
NOTE: Hold the piston so it is not slanted and then blow
with the gun slightly away from the oil hole.
(b) If the piston does not pop out with compressed air,
use needle-nose pliers to remove it.
4. REMOVE 0-RINGS FROM PISTON
ASSEMBLY OF FIRST AND REVERSE BRAKE
PISTON
(See page AT -84)
1. INSTALL NEW 0-RINGS ON PISTON
Coat the 0-rings with A TF.
2. INSTALL PISTON IN TRANSMISSION CASE
Push the piston into the bore of the case, facing the spring
seats upward.
3. PLACE SST BASE UNDER CASE
SST 09350-32013 (09351-32040)
4. INSTALL PISTON RETURN SPRING ASSEMBLY, SST
AND SNAP RING IN PLACE
5. COMPRESS PISTON RETURN SPRINGS TO ALLOW
INSTALLATION OF SNAP RING
CAUTION: Avoid bending the spring retainer by
overtightening the bolt.
Gradually tighten the bolt to compress the springs, being
careful not to damage the transmission case with SST.
SST 09350-32013 (09351-32040)
6. INSTALL SNAP RING
(a) Push the ring into place with your fingers.
Visually check to make sure it is fully seated and cen-
tered by the three lugs on the spring retainer.
Be sure the end gap of snap ring is not aligned with
the spring retainer claw.
(b) Remove the SST.
SST 09350-32013 (09351-32040)