Isuzu Trooper (1998-2002 year). Manual — part 744
AUTOMATIC TRANSMISSION (AW30-40LE)
7A–173
246RY00017
247RY00044
6. Reaction sleeve
Insert special tool behind the reaction sleeve and gradually
lift it out of the transmission case.
Reaction sleeve puller : 5–8840–2173–0 (J–37236)
8. 1st and reverse brake piston No.1
Insert special tool behind the No.1 brake piston and
gradually lift it out of the transmission case.
Piston puller : 5–8840–2174–0 (J–37237)
7A–174
AUTOMATIC TRANSMISSION (AW30-40LE)
REASSEMBLY
246RY00025
Reassembly steps
▲
1. O–ring
▲
2. O–ring
▲
3. 1st and reverse brake piston No.1
▲
4. O–ring
▲
5. Reaction sleeve
▲
6. 1st and reverse brake piston No.2
▲
7. Return spring
▲
8. Snap ring
▲
9. Thrust bearing and race
AUTOMATIC TRANSMISSION (AW30-40LE)
7A–175
246RY00018
246RY00019
246RY00020
246RY00021
Important operations
1. O–ring
Coat three new O–rings with ATF.
Install the two O–ring on the No.1 piston.
2. O–ring
Install the O–ring on the reaction sleeve.
3. 1st and reverse brake piston No.1
Install the No.1 piston to the reaction sleeve.
4. O–ring
Coat a new O–ring with ATF and install it on the No.2
piston.
5. Reaction sleeve
Install the No.1 piston with reaction sleeve onto the No.2
piston.
6. 1st reverse brake piston No.2
Align the teeth of the No.2 piston into the proper grooves.
Being careful not to damage the O–rings, press in the No.2
with No.1 first and reverse brake pistons into the
transmission case.
7. Return spring
Place piston return spring onto No.2 piston.
7A–176
AUTOMATIC TRANSMISSION (AW30-40LE)
247RY00002
246RY00022
247RY00043
8. Snap ring
Set special tool as shown, and compress the return spring
with special tool.
Spring compressor : 5–8840–0254–0 (J–25048)
Install the snap ring with snap ring pliers. Be sure the end
gap of the snap ring is not aligned with the spring retainer
claw.
Check first and reverse brake piston
Make sure the first and reverse brake piston moves
smoothly when applying and releasing the compressed air
into the transmission case.
9. Thrust bearing and race
Coat the assembled bearing and race with petroleum jelly.
Install the assembled bearing and race facing the bearing
side upward.
Assembled bearing and race
diameter. (Reference)
mm (in.)
Inside diameter
39.2 (1.543)
Outside diameter
57.7 (2.272)
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