Toyota 4-Runner 1985 Repair Manual page 442

AT-40 AUTOMATIC TRANSMISSION - Component Groups (Overdrive Input Shaft and Clutch)
4. REMOVE SNAP RING AND HUB FROM OVERDRIVE
CLUTCH ASSEMBLY
5. REMOVE THINNER SNAP RING, FLANGE, DISC AN~
PLATE
6. COMPRESS PISTON RETURN SPRINGS AND REMOVE
SNAP RING
Place SST on the spring retainer and compress springs with
a shop press. Using a screwdriver, remove the snap ring.
SST 09350-20013
7. REMOVE SPRING RETAINER AND EIGHTEEN SPRINGS
8. ASSEMBLE OVERDRIVE CLUTCH ON OIL PUMP AND
BLOW OUT PISTON
(a) Slide the overdrive clutch onto the oil pump.
(b) Apply compressed air to the oil pump to remove
piston.
(If the piston does not come out completely, use nee-
dle nose pliers to remove it.)
(c) Remove the overdrive clutch from the oil pump.
9. REMOVE CLUTCH PISTON O-RINGS
10. REMOVE SNAP RING FROM OVERDRIVE
PLANETARY GEAR ASSEMBLY
11. REMOVE THRUST WASHERS AND ONE-WAY
CLUTCH FROM PLANETARY GEAR ASSEMBLY
CAUTION: Be careful not to lose the four plugs.
12. REMOVE.FOUR PLUGS BY MAGNET FINGER
CAUTION: Keep the four plugs together to prevent
losing them.