Opel Frontera UBS. Service manual — part 1478
7A–154
AUTOMATIC TRANSMISSION (AW30-40LE)
248RY00051
248RY00052
248RY00053
248RY00054
Important operations
Check operation of No.1 one–way clutch
Hold the planetary sun gear and turn the second brake
hub. The second brake hub should turn freely clockwise
and should lock counterclockwise.
(1) : Free
(2) : Lock
3. Oil seal ring (Metal)
Remove two oil seal rings.
4. Snap ring
Remove the snap ring with snap ring pliers.
INSPECTION AND REPAIR
Check planetary sun gear bushing
Using a dial indicator, measure the inside diameter of the
planetary sun gear bushing.
If the inside diameter is greater than the maximum, replace
the planetary sun gear.
mm (in.)
Maximum inside diameter
27.08 (1.0661)
AUTOMATIC TRANSMISSION (AW30-40LE)
7A–155
REASSEMBLY
248RY00066
Reassembly steps
▲
1. Snap ring
▲
2. Sun gear input drum
▲
3. Snap ring
▲
4. Oil seal ring (Metal)
▲
5. Thrust washer (Plastic)
▲
6. One–way clutch and second brake hub
7A–156
AUTOMATIC TRANSMISSION (AW30-40LE)
248RY00055
248RY00056
248RY00053
248RY00052
Important operations
1. Snap ring
Install snap ring to planetary sun gear.
2. Sun gear input drum
Place a wooden block, etc. as a work stand and place the
planetary sun gear onto it.
Install the sun gear input drum onto the planetary sun gear.
3. Snap ring
Install snap ring with snap ring pliers.
4. Oil seal ring (Metal)
Coat the two oil seal rings with ATF.
Install the two oil seal rings onto the planetary sun gear.
NOTE:
Do not spread the ring ends too much.
AUTOMATIC TRANSMISSION (AW30-40LE)
7A–157
248RY00057
248RY00058
248RY00051
5. Thrust washer (plastic)
Install thrust washer.
NOTE:
Make sure that the lugs fit into the holes on the sun gear
input drum.
6. One–way clutch and second brake hub
Install assembled No.1 one–way clutch and second brake
hub onto planetary sun gear as shown.
Check operation of No.1 one–way clutch
Hold the planetary sun gear and turn the second brake
hub. The second brake hub should turn freely clockwise
and should lock counterclockwise.
(1) : Free
(2) : Lock
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