Opel Frontera UBS. Service 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.
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