Opel Frontera UBS. Service manual — part 1470
7A–122
AUTOMATIC TRANSMISSION (AW30-40LE)
252RY00034
252RY00023
252RY00022
252RY00035
5. Race
Coat the race with petroleum jelly and install it to the
planetary gear.
6. Ring gear flange
Install ring gear flange to OD planetary ring gear.
7. Snap ring
Install snap ring, using a screwdriver.
8. Thrust bearing
Coat the race and bearing with petroleum jelly and install
them onto the OD planetary ring gear.
Race diameter (Reference)
mm (in.)
Inside diameter
27.3 (1.075)
Outside diameter
41.8 (1.646)
Race and bearing diameter (Reference)
mm (in.)
Inside
Outside
Race
24.2 (0.953)
47.8 (1.882)
Bearing
26.0 (1.024)
46.8 (1.843)
AUTOMATIC TRANSMISSION (AW30-40LE)
7A–123
252L100011
252L100012
252L100007
252L100013
9. O-ring
Coat new O-rings with ATF and install them on the OD
direct clutch piston.
10. OD direct clutch piston with O-ring
Being careful not to damage the O-rings, press in the OD
direct clutch piston into the clutch drum, using both hands.
11. Piston return spring
Install piston return spring.
12. Snap ring
Place special tool and a suitable ring on the spring retainer,
and compress the return spring.
Spring compressor: 5-8840-0195-0 (J-23327-1)
Install the snap ring with snap ring pliers. Be sure the end
gap of the snap ring is not aligned with the spring retainer
claw.
13. Flange, disc and plate
Install two plates and two discs then install the flange, with
the flat side facing downward.
7A–124
AUTOMATIC TRANSMISSION (AW30-40LE)
252L100014
252L100005
252L100016
14. Snap ring
Install snap ring.
Check piston stroke of OD direct clutch (C-0).
Place the oil pump onto the torque converter, and then
place the OD direct clutch assembly onto the oil pump.
Using a dial indicator, measure the OD direct clutch piston
stroke by applying and releasing the compressed air (4– 8
kg/cm
2
, 57– 114 psi or 392– 785 kPa) as shown.
If the piston stroke is not within specification, replace the
disc and recheck the piston stroke.
If the piston stroke is non standard, select another flange.
There are six flange sizes.
mm (in.)
Piston stroke mm (in.)
1.85– 2.15
(0.0728– 0.0847)
mm (in.)
No.
Flange thickness
No.
Flange thickness
16
3.6 (0.142)
19
3.3 (0.130)
17
3.5 (0.138)
20
3.2 (0.126)
18
3.4 (0.134)
21
3.1 (0.122)
AUTOMATIC TRANSMISSION (AW30-40LE)
7A–125
252L100015
252L100004
252L100003
15. Thrust bearing
Coat the assembled bearing and race with petroleum jelly
and install it with the race side facing downward.
16. OD direct clutch assembly
Align the flukes of discs in the direct clutch .
Install the OD direct clutch assembly onto the OD planetary
gear.
Check operation of one-way clutch.
Hold the OD direct clutch drum and turn the input shaft.
The input shaft should turn freely clockwise and should lock
counterclockwise.
(1): Free
(2): Lock
Assembled bearing and race (Reference)
mm (in.)
Inside diameter
28.9 (1.138)
Outside diameter
50.2 (1.976)
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