1998 OPEL FRONTERA oil pump

AUTOMATIC TRANSMISSION (AW30-40LE) 7A–111
241RY00013
Using special tool, install a new oil seal.
The oil seal end should be flush with the outer edge of the
pump body.
Oil seal installer: 5-8840-2256-0 (J-9617)
Coat the oil seal lip with multi purpose grease.

7A–112 AUTOMATIC TRANSMISSION (AW30-40LE)
REASSEMBLY
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Important operations
1. Oil pump driven gear
Place the oil pump body on the torque converter.
Coat the driven gear and drive gear with ATF.
Install the driven gear and drive gear.
Reassembly steps
1. Oil pump driven gear
2. Oil pump drive gear
3. Stator shaft
4. Oil seal ring
5. O-ring

AUTOMATIC TRANSMISSION (AW30-40LE) 7A–113
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3. Stator shaft
Align the stator shaft with the bolt holes.
Tighten the thir teen bolts.
4. Oil seal ring
Coat the oil seal rings with ATF.
Contract the oil seal rings as shown, and install them onto
the stator shaft.
NOTE:
Do not spread the ring ends too much.
5. O-ring
Coat a new O-ring with ATF and install it to the oil pump
body.
Check oil pump drive gear rotation
Make sure the drive gear rotates smoothly when installed to
the torque converter.Nꞏm (kgꞏm/Ib in)
Torque 11 (1.1/95)
O-ring size (Reference) mm (in.)
Inside diameter 204.9 (8.067)
Thickness 3.5 (0.138)

AUTOMATIC TRANSMISSION (AW30-40LE) 7A–115
252L100003
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Important operations
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
1. OD direct clutch assembly
Remove OD direct clutch assembly from OD planetary
gear.
2. Thrust bearing
Then remove thrust bearing with the race from OD direct
clutch drum.
Check piston stroke of OD direct clutch (C-O)
Place the oil pump onto the torque conver ter, and then
place the OD direct clutch assembly onto the oil pump.
Use a dial indicator, measure the OD direct clutch piston
stroke applying and releasing the compressed air (4– 8 kg/
cm
2, 57– 114 psi, 392– 785 kPa) as shown.
mm (in.)
Piston stroke1.85– 2.15
(0.0728– 0.0847)

7A–116 AUTOMATIC TRANSMISSION (AW30-40LE)
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3. Snap ring
Remove snap ring from clutch drum.
4. Flange, disc and plate
Remove flange, two discs and two plates.
5. Snap ring
Place special tool and a suitable ring on the spring retainer
and compress the return spring. Using snap ring pliers,
remove the snap ring.
Spring compressor: 5-8840-0195-0 (J-23327-1)
6. Piston return spring
Remove piston return spring.
7. OD direct clutch piston with O-ring
Place the oil pump onto the torque converter and then
place the OD direct clutch onto the oil pump.
Holding the OD direct clutch piston by hand, apply
compressed air to the oil pump to remove the OD direct
clutch piston.
Remove the OD direct clutch piston.
8. O-ring
Remove two O-rings from piston.
9. Thrust bearing
Remove bearing and race from OD planetary ring gear.

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–185
22. OD suppor t
23. Snap ring
24. Flange, plate and disc
25. Snap ring
26. Bearing and race
27. OD planetary ring gear
28. Bearing and race
29. Race
30. OD planetary gear and OD direct clutch
31. Bearing
32. Race
33. Oil pump

7A–198 AUTOMATIC TRANSMISSION (AW30-40LE)
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Install the (stepped ring) flange with the flat side of the
flange facing the disc.
Install the snap ring.
32.Race
Coat the race with petroleum jelly and install it onto the oil
pump.
33.Oil pump
Coat the O–ring with ATF and install it around the pump
body.
Place the oil pump through the input shaft, and align the
bolt holes of the pump body with the transmission case.
Hold the input shaft, and lightly press the oil pump body to
slide the oil seal rings on the stator shaft through the direct
clutch drum.
NOTE:
Do not push on the oil pump strongly or the oil seal ring
will stick to the direct clutch drum.
Install the seven bolts.
Check input shaft rotation
Make sure the input shaft rotates smoothly. Race diameter (Reference) mm (in.)
Inside Outside
Race 28.1 (1.106) 47.3 (1.862)
Nꞏm(kgꞏm / lbꞏft)
Torque 22 (2.2/16)