Opel Frontera UBS. Manual - part 2557

AUTOMATIC TRANSMISSION (AW30-40LE)

7A–91

UNIT REPAIR

DISASSEMBLY OF MAJOR COMPONENTS (1)

240RY00024

NOTE:  
Steps marked with a triangle (

▲

) are important

operations. Detailed information appears in the text.

Disassembly steps

1. Torque converter

2. Breather hose

▲

 3. Transmission ocntrol rod and shift lever

▲

 4. Neutral start switch

▲

 5. Elbow

6. Oil temperature sensor

7. Input revolution sensor

8. Output revolution sensor

9. Adapter housing

10. Transmission assembly

7A–92

AUTOMATIC TRANSMISSION (AW30-40LE)

249RW003

240RY00001

240RY00002

Important operations

3. Transmission control rod and shift lever

Remove the transmission control rod and shift lever.

4. Neutral start switch

Unstake the lock washer.
Remove the nut and bolts, and then remove the neutral start
switch.
Remove the lock washer and grommet.

5. Elbow

Remove two elbows from transmission case.

Install special tool to the transmission unit.

Holding fixture: 5-8840-2152-0 (J-37227)
Fixture base: 5-8840-0003-0 (J-3289-20)

AUTOMATIC TRANSMISSION (AW30-40LE)

7A–93

DISASSEMBLY OF MAJOR COMPONENTS (2)

242RY00005

Disassembly steps

▲

 1. Converter housing

▲

 2. Oil pan

▲

 3. Oil strainer assembly

▲

 4. Solenoid wiring

▲

 5. Valve body

▲

 6. Check valve, spring

▲ 

7. Spring

▲ 

8. Accumulator piston (B-2)

▲

 9. Accumulator piston (C-2)

▲

 10. Accumulator piston (B-0)

▲

 11. Accumulator piston (C-0)

12. Second brake drum gasket

7A–94

AUTOMATIC TRANSMISSION (AW30-40LE)

240RY00006

240RY00007

240RY00008

244RY00003

Important operations

1. Converter housing

Remove the six bolts.
Remove the transmission housing.

2. Oil pan

NOTE:  
Do not turn over the transmission as this will contaminate
the valve body with foreign materials in the bottom of the
pan.

Remove the nineteen bolts.
Remove pan by lifting the transmission case.
Seal cutter: 5-8840-2153-0 (J-37228)

Examine particles in pan

Remove the magnet and use it to collect any steel chips.
Look carefully at the chips and particles in the pan and on
the magnet to anticipate what type of wear you will find in
the transmission:
Steel (magnetic).....bearing, gear and clutch plate wear
Brass (non-magnetic)...bushing wear

3. Oil strainer assembly

Remove four bolts holding the oil strainer.

NOTE:  
When reassembling components, install a new oil strainer
assembly.