Opel Frontera UBS. Manual - part 1489

7A–198

AUTOMATIC TRANSMISSION (AW30-40LE)

246RY00001

252RY00014

241RY00003

Install the (stepped ring) flange with the flat side of the
flange facing the disc.
Install the snap ring.

32.Race

Coat the race with petroleum jelly and install it onto the oil
pump.

33.Oil pump

Coat the O–ring with ATF and install it around the pump
body.
Place the oil pump through the input shaft, and align the
bolt holes of the pump body with the transmission case.
Hold the input shaft, and lightly press the oil pump body to
slide the oil seal rings on the stator shaft through the direct
clutch drum.

NOTE:  
Do not push on the oil pump strongly or the oil seal ring
will stick to the direct clutch drum.

Install the seven bolts.

Check input shaft rotation

Make sure the input shaft rotates smoothly.

Race diameter (Reference) 

mm (in.)

Inside

Outside

Race

28.1 (1.106)

47.3 (1.862)

N·m(kg·m / lb·ft)

Torque

22 (2.2/16)

AUTOMATIC TRANSMISSION (AW30-40LE)

7A–199

REASSEMBLY OF MAJOR COMPONENTS (2)

242RY00006

Reassembly steps

▲

 1. Second brake drum gasket

▲

 2. Accumulator piston

▲

 3. Check valve, spring

▲

 4. Valve body

▲

 5. Solenoid wiring

▲

 6. Oil strainer assembly

▲

 7. Oil pan

7A–200

AUTOMATIC TRANSMISSION (AW30-40LE)

240RY00013

240RY00014

240RY00027

Important operations

1. Second brake drum gasket

Install a new brake drum gasket to the transmission case.

Individual piston operation inspection

Check for the sound of operation while injecting
compressed air into the oil hole indicated in the figure.

NOTE:  
When inspecting the direct clutch, check with the C–0
accumulator piston hole closed. If there is no noise,
disassemble and check the condition of the parts.

A : C–0 Accumulator piston hole

2. Accumulator piston

Coat the O–ring with ATF and install it to the piston.
Install the five springs and four accumulator pistons to the
bore as shown in the figure.

1: OD direct clutch

5: Second coast brake 

2: Direct clutch

6. Second brake

3: Forward clutch

7. First and reverse brake

4: OD brake

AUTOMATIC TRANSMISSION (AW30-40LE)

7A–201

240RY00015

240RY00029

240RY00010

240RY00016

3. Check valve, spring

Install new check valve and spring.

mm (in.)

Piston

Outer diameter

Height

B–2

36.8 (1.449)

62.5 (2.461)

C–2

36.8 (1.449)

56.6 (2.228)

B–0

31.8 (1.252)

52.0 (2.047)

C–0

29.8 (1.173)

44.0 (1.732)

Spring

Free length

Outer diameter

(1) B–2

75.8 (2.984)

20.1 (0.791)

(2) C–2 (Inner)

42.1 (1.658)

14.7 (0.579)

(3) C–2 (Outer)

64.0 (2.520)

20.2 (0.795)

(4) B–0

63.6 (2.504)

16.0 (0.630)

(5) C–0(Outer)

74.6 (2.937)

20.9 (0.823)

(6) C–0(Inner)

46.0 (1.811)

14.0 (0.551)