Opel Frontera UBS. Manual - part 2567

AUTOMATIC TRANSMISSION (AW30-40LE)

7A–131

252RY00051

252RY00052

252RY00069

6. Thrust washer (plastic)

Coat the thrust washer with petroleum jelly and install it onto
the OD support.

NOTE:  
Make sure that the lug fits into the hole on the OD support.

7. Race

Coat the race with petroleum jelly, and install it onto the OD
support.

8. Thrust bearing

Turn over OD support.
Coat the two races with petroleum jelly, and install them
onto the OD support.

Race diameter (Reference) 

mm (in.)

Inside diameter

36.8 (1.449)

Outside diameter

50.9 (2.004)

Race and bearing diameter (Reference) 

mm (in.)

Inside

Outside

Race (A)

37.2 (1.465)

58.8 (2.315)

Bearing

36.5 (1.437)

48.5 (1.910)

Race (B)

33.7 (1.327)

50.1 (1.973)

7A–132

AUTOMATIC TRANSMISSION (AW30-40LE)

252RY00042

252RY00043

Check OD brake piston
Place the OD support assembly onto the direct clutch
assembly.

Apply compressed air into the oil passage as shown, and be
sure that the OD brake piston moves smoothly.

AUTOMATIC TRANSMISSION (AW30-40LE)

7A–133

DIRECT CLUTCH ASSEMBLY (C-2)

DISASSEMBLY

248RY00059

Disassembly steps

1. Clutch drum thrust washer

2. Snap ring

3. Flange

4. Plate and disc

▲

 5. Snap ring

6. Piston return spring

▲

 7. Direct clutch piston

8. O-ring

7A–134

AUTOMATIC TRANSMISSION (AW30-40LE)

248RY00028

248RY00029

248RY00061

248RY00002

Important operations

Remove direct clutch drum assembly from forward clutch
assembly.

Check piston stroke of direct clutch (C-2)
Place the direct clutch assembly onto the OD support
assembly.

Using a dial indicator, measure the direct clutch piston
stroke by applying and releasing compressed air (4– 8 kg/
cm

2

, 57– 114 psi or 392– 785 kPa) as shown.

5. Snap ring

Place special tool and a suitable ring on the spring retainer
and compress the return spring. Using snap ring pliers,
remove the snap ring.
Spring compressor: 5-8840-0254-0 (J-25048)

mm (in.)

Piston stroke

1.6– 1.9

(0.0630– 0.0748)