Opel Frontera UBS. Service manual — part 2566
AUTOMATIC TRANSMISSION (AW30-40LE)
7A–127
252RY00042
252RY00043
252RY00044
252RY00045
Important operations
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.
4. Snap ring
Place special tool on the spring retainer, and compress the
return spring with a shop press.
Spring compressor: 5-8840-2170-0 (J-37233)
Remove the snap ring with a screwdriver.
6. OD brake piston
Place the OD support onto the direct clutch assembly.
Hold the OD brake piston so it is not slanted and apply
compressed air into the passage to remove the OD brake
piston.
Remove the OD brake piston.
7A–128
AUTOMATIC TRANSMISSION (AW30-40LE)
252RY00046
INSPECTION AND REPAIR
Make necessary correction or parts replacement if wear,
damage or any abnormal conditions are found through
inspection.
Check piston return spring
Using calipers, measure the free length of the return spring.
mm (in.)
Standard
17.2 (0.677)
AUTOMATIC TRANSMISSION (AW30-40LE)
7A–129
REASSEMBLY
252RY00068
Reassembly steps
▲
1. Oil seal ring
▲
2. O-ring
▲
3. OD brake piston
▲
4. Piston return spring
▲
5. Snap ring
▲
6. Thrust washer (Plastic)
▲
7. Race
▲
8. Thrust bearing
7A–130
AUTOMATIC TRANSMISSION (AW30-40LE)
252RY00047
252RY00048
252RY00049
252RY00050
Important operations
1. Oil seal ring
Coat the two oil seal rings with ATF.
Contract the oil seals as shown, and install them onto the
OD support.
NOTE:
Do not spread the ring ends more than necessary.
2. O-ring
Coat two new O-rings with ATF and install them on the OD
brake piston.
3. OD brake piston
Being careful not to damage the O-rings, press in the brake
piston into the OD support, using both hands.
4. Piston return spring
Install piston return spring.
5. Snap ring
Place special tool on the spring retainer, and compress the
return spring with a shop press.
Spring compressor: 5-8840-2170-0 (J-37233)
Install the snap ring with a screwdriver. Be sure the end gap
of the snap ring is not aligned with cutout portion of the OD
support.
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