Isuzu Trooper (1998-2002 year). Manual — part 742
AUTOMATIC TRANSMISSION (AW30-40LE)
7A–165
247RY00032
247RY00033
248RY00045
7. Snap ring
Remove the snap ring with a screwdriver.
8. One–way clutch
Remove the one–way clutch with retainers from the
planetary gear.
Check disc, plate and flange
Check to see if the sliding surface of the disc, plate and
flange are worn or burnt. If necessary, replace them.
• If the lining of the disc is peeling off or discolored, or even
if parts of the printed numbers are defaced, replace all
discs.
• Before assembling new discs, soak them in ATF for at
least fifteen minutes.
7A–166
AUTOMATIC TRANSMISSION (AW30-40LE)
REASSEMBLY
247RY00046
Reassembly steps
▲
1. Ring gear flange
▲
2. Snap ring
▲
3. Thrust bearing and race
▲
4. Thrust washer (Plastic)
▲
5. Thrust washer (Plastic)
▲
6. One–way clutch
▲
7. Snap ring
▲
8. One–way clutch inner race
▲
9. Rear planetary gear assembly
▲
10. Disc, plate, and flange
▲
11. Oil seal ring
▲
12. Output shaft
▲
13. Second brake assembly
AUTOMATIC TRANSMISSION (AW30-40LE)
7A–167
247RY00035
247RY00036
247RY00037
247RY00038
Important operations
1. Ring gear flange
Install ring gear flange to the ring gear.
2. Snap ring
Install snap ring to the ring gear.
3. Thrust bearing and race
Coat the races and bearing with petroleum jelly, and install
them onto the rear planetary ring gear.
4. Thrust washer (Plastic)
5. Thrust washer (Plastic)
Coat the thrust washer with petroleum jelly.
Install the thrust washer onto both sides of the rear
planetary gear, facing the grooved side upward.
NOTE:
Make sure that the lugs fit into the cutout portions on the
rear planetary gear.
6. One–way clutch
Install the one–way clutch with the flanged side facing
upward onto the rear planetary gear.
Races and bearing diameter (Reference)
mm (in.)
Inside
Outside
Race (A)
28.8 (1.134)
44.8 (1.764)
Bearing
30.1 (1.185)
44.7 (1.760)
Race (B)
27.8 (1.095)
44.8 (1.764)
7A–168
AUTOMATIC TRANSMISSION (AW30-40LE)
247RY00039
247RY00040
247RY00041
247RY00029
7. Snap ring
Install snap ring.
8. One–way clutch inner race
While turning counterclockwise, install one–way clutch
inner race to rear planetary gear.
Check operation of one–way clutch
Hold the planetary gear and turn the one–way clutch inner
race. The one–way clutch inner race should turn freely
counterclockwise and should lock clockwise.
(1) : Lock
(2) : Free
9. Rear planetary gear assembly
Install rear planetary gear onto rear planetary ring gear.
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