
AT-66
A340E(Others) AUTOMATIC TRANSMISSION - FORWARD CLUTCH
3. CHECK FORWARD CLUTCH DRUM BUSHING
Using a dial indicator, measure the inside diameter of the
forward clutch drum bushing.
Maximum inside diameter:
24.08 mm (0.9480 in.)
If the inside diameter is greater than the maximum, re-
place the forward clutch drum.
AT8171
AT05S-08
FORWARD CLUTCH ASSEMBLY
1. INSTALL OIL SEAL RINGS
(a) Coat the 3 oil seal rings with ATF.
(b) Install the 3 oil seal rings to the forward clutch drum
groove, then snug them down by squeezing their ends to-
gether.
NOTICE: Do not spread the ring ends more than necessary.
HINT: After installing the oil seal rings, check that they ro-
tate smoothly.
AT8172
2. INSTALL NEW O-RING TO FORWARD CLUTCH DRUM
Coat a new O-ring with ATF and install it on the forward
clutch drum.
3. INSTALL FORWARD CLUTCH PISTON
(a) Coat new O-rings with ATF and install them on the for-
ward clutch piston with a screwdriver.
AT8179
(b) Being careful not to damage the O-rings, press the clutch
piston into the forward clutch drum with both hands.
AT8442
4. INSTALL PISTON RETURN SPRING
(a) Install the piston return spring.
AT8173