Opel Frontera UBS. Service manual — part 2559
AUTOMATIC TRANSMISSION (AW30-40LE)
7A–99
252RY00002
252RY00003
244RY00001
246RY00001
5. OD planetary ring gear
Remove the overdrive planetary ring gear from the
transmission case.
Check piston stroke of overdrive brake
Place a dial indicator onto the overdrive brake piston as
shown in the figure.
Measure the stroke applying and releasing the compressed
air (4– 8kg/cm
2
, 57– 114 psi or 392– 785kPa) as shown in
the figure.
mm (in.)
If the values are nonstandard, select another flange.
6. Snap ring
Remove the snap ring.
Piston stroke
1.40–1.70
(0.0551–0.0669)
Available flange sizes
mm (in.)
3.3 (0.130)
3.8 (0.150)
3.5 (0.138)
3.9 (0.154)
3.6 (0.142)
4.0 (0.158)
3.7 (0.146)
7A–100
AUTOMATIC TRANSMISSION (AW30-40LE)
246RY00026
247RY00003
246RY00002
252RY00004
7. Flange, plate and disc
Remove two flanges, three plates and four discs.
8. Bearing and race
Remove the thrust bearing and two races.
9. Snap ring
Using snap ring pliers, remove the snap ring.
10. OD support
Remove two bolts fixing the overdrive support assembly to
the case.
AUTOMATIC TRANSMISSION (AW30-40LE)
7A–101
252RY00005
252RY00006
248RY00004
248RY00005
Install two removed bolts to the OD support, and pull out
the OD support assembly.
11. Race
Remove two races from OD support.
Check piston stroke of second coast brake
Place a mark on the second coast brake piston rod as shown in
the figure.
Using feeler gauge, measure the stroke applying the
compressed air (4 – 8kg/cm
2
,
57 – 114psi or 392 – 785 kPa) as
shown in the figure.
mm (in.)
If the values are nonstandard, replace piston rod and
recheck piston stroke. If piston stroke is nonstandard,
replace brake band.
There are two piston rods.
Piston stroke
1.5–3.0 (0.059-0.118)
Rod length
71.4mm (2.811 in.)
72.9mm (2.870 in.)
7A–102
AUTOMATIC TRANSMISSION (AW30-40LE)
248RY00006
248RY00007
248RY00008
248RY00009
12. Snap ring
Using snap ring pliers, remove the snap ring.
13. Second coast brake piston assembly
Applying compressed air to the oil hole, remove the second
coast brake piston assembly.
14. Direct clutch and forward clutch
Remove the direct clutch and forward clutch from the case.
15. E-ring and pin
Remove the E-ring from the pin.
Remove the pin from the brake band.
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