Opel Frontera UBS. Service manual — part 2577
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.
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
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