Opel Frontera UBS. Service manual — part 1472
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.
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
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