Opel Frontera UBS. 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