Isuzu Trooper (1998-2002 year). Service manual — part 743
AUTOMATIC TRANSMISSION (AW30-40LE)
7A–169
246RY00013
247RY00047
247RY00028
247RY00042
10. Disc, plate, and flange
Install a clutch plate onto the rear planetary gear assembly.
NOTE:
The claw interval of the plate should be as shown in the
figure when viewing the clutch plate from the arrow
direction.
Install a brake flange onto the rear planetary gear
assembly.
Install seven clutch discs and seven brake plates
alternately, starting with clutch disc, onto the rear planetary
gear assembly.
11. Oil seal ring
Coat the oil seal ring with ATF and install it to the output
shaft.
NOTE:
Do not spread the ring ends too much.
12. Output shaft
Install output shaft into rear planetary assembly.
7A–170
AUTOMATIC TRANSMISSION (AW30-40LE)
246RY00014
13. Second brake assembly
Install second brake assembly to output shaft.
AUTOMATIC TRANSMISSION (AW30-40LE)
7A–171
FIRST AND REVERSE BRAKE (B–3)
DISASSEMBLY
246RY00024
Disassembly steps
▲
1. Thrust bearing and race
▲
2. Snap ring
3. Piston return spring
▲
4. 1st and reverse brake piston No.2
5. O–ring
▲
6. Reaction sleeve
7. O–ring
▲
8. 1st and reverse brake piston No.1
9. O–ring
7A–172
AUTOMATIC TRANSMISSION (AW30-40LE)
247RY00043
246RY00016
247RY00002
246RY00016
Important operations
1. Thrust bearing and race
Remove assembled bearing and race from transmission
case.
Check first and reverse brake piston movement
Make sure that first and reverse brake piston moves
smoothly when applying and releasing the compressed air
into the transmission case.
2. Snap ring
Set special tool on the spring retainer, and compress the
return spring.
Spring compressor:5–8840–0254–0 (J–25048)
Remove the snap ring with snap ring pliers.
4. 1st and reverse brake piston No.2
Holding the No.2 first and reverse brake piston by hand,
apply compressed air to the transmission case to remove
the No.2 first and reverse brake piston.
Remove the No.2 first and reverse brake piston.
If the piston does not pop out with compressed air, lift the
piston out with needle–nose pliers.
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