Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual — part 400
7A-148 AUTOMATIC TRANSMISSION (AW30-40LE)
REASSEMBLY
252R200004
Reassembly steps
1. OD
support
2. Oil seal ring
3. O-ring
4. OD
brake
piston
5. Piston
return
spring
6. Snap
ring
7. Thrust
washer
(Plastic)
8. Race
9. Thrust
bearing
252RY00047
Reassembly steps
1. OD support
2. Oil seal ring
Coat the two oil seal rings with ATF.
Contract the oil seals as shown, and install them onto
the OD support.
NOTE :
Do not spread the ring ends more than necessary.
AUTOMATIC TRANSMISSION (AW30-40LE) 7A-149
252RY00048
3. O-ring
Coat two new O-rings with ATF and install them on the
OD brake piston.
4. OD brake piston
Being careful not to damage the O-rings, press in the
brake piston into the OD support, using both hands.
252RY00049
5. Piston return spring
Install piston return spring.
252RY00050
6. Snap ring
Place special tool on the spring retainer, and compress
the return spring with a shop press.
Spring compressor : 5-8840-2170-0 (J-37233)
Install the snap ring with a screwdriver.
Be sure the end gap of the snap ring is not aligned with
cutout portion of the OD support.
252RY00051
7. Thrust washer (plastic)
Coat the thrust washer with petroleum jelly and install it
onto the OD support.
NOTE :
Make sure that the lug fits into the hole on the OD
support.
8. Race
Coat the race with petroleum jelly, and install it onto the
OD support.
Race diameter (Reference)
Inside diameter
36.8 mm (1.450 in)
Outside diameter
50.9 mm (2.004 in)
252RY00052
7A-150 AUTOMATIC TRANSMISSION (AW30-40LE)
9. Thrust bearing
Turn over OD support.
Coat the two races with petroleum jelly, and install them
onto the OD support.
Race and bearing diameter (Reference)
Inside
Outside
Race (A)
37.2 mm (1.465 in) 58.8 mm (2.315 in)
Bearing
36.5 mm (1.437 in) 48.4 mm (1.906 in)
Race (B)
33.7 mm (1.327 in) 50.1 mm (1.972 in)
252RY00069
252RY00042
Check OD brake piston movement
Place the OD support assembly onto the direct clutch
assembly.
252RY00043
Apply compressed air into the oil passage as shown,
and be sure that the OD brake piston moves smoothly.
AUTOMATIC TRANSMISSION (AW30-40LE) 7A-151
DIRECT CLUTCH ASSEMBLY (C-2)
DISASSEMBLY
248R200001
Disassembly steps
1. Clutch drum thrust washer (Plastic)
2. Snap
ring
3. Flange
4. Plate and disc
5. Snap
ring
6. Piston return spring
7. Direct
clutch
drum
8. Direct
clutch
piston
9. O-ring
248RY00028
Disassembly steps
Remove direct clutch drum assembly from forward
clutch assembly.
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