1998 OPEL FRONTERA transmission

7A–98 AUTOMATIC TRANSMISSION (AW30-40LE)
241RY00003
241RY00002
252L100001
252L100017
Important operations
1. Oil pump
Remove seven bolts fixing the oil pump to the transmission
case.
Remove the oil pump.
2. Race
Remove race from oil pump.
3. OD planetary gear and OD direct clutch
Remove the overdrive planetary gear and overdrive direct
clutch with thrust needle bearing from the transmission
case.
4. Race
Remove the race from OD planetary gear.

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 stroke1.40–1.70
(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 suppor t 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 suppor t assembly.
11. Race
Remove two races from OD suppor t.
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 length71.4mm (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.

AUTOMATIC TRANSMISSION (AW30-40LE) 7A–103
248RY00010
247RY00004
247RY00005
247RY00006
16. Second coast brake band
Remove the second coast brake band from the case.
17. Front planetary ring gear
Remove the front planetary ring gear from the case.
18. Bearing and race
Remove the bearing and race.
19. Race
Remove the race.

7A–104 AUTOMATIC TRANSMISSION (AW30-40LE)
248RY00011
247RY00007
248RY00012
248RY00013
20. Snap ring
Using snap ring pliers, remove the snap ring.
21. Front planetary gear
Remove the front planetary gear from the case.
22. Drum and one-way clutch
Remove sun gear input drum and one-way clutch.
Check pack clearance of second brake
Using a feeler gauge, measure the clearance between the
snap ring and flange as shown in the figure.
If the values are nonstandard, replace the discs.mm (in.)
Clearance0.62–1.98
(0.0244–0.0780)

AUTOMATIC TRANSMISSION (AW30-40LE) 7A–105
248RY00014
248RY00015
248RY00016
248RY00017
23. Snap ring
Using two screwdrivers, remove the snap ring.
24. Flange, plate and disc
Remove the flange, five discs and five plates.
Check pack clearance of first and reverse brake
Using a feeler gauge, measure the clearance between the
plate and second brake drum as shown in the figure.
If the values are nonstandard, select another flange.
25. Snap ring
Using snap ring pliers, remove the snap ring.mm (in.)
Clearance0.7–1.0
(0.0276–0.0394)
Available flange sizes mm (in.)
4.0 (0.158) 4.8 (0.189)
4.2 (0.165) 5.0 (0.197)
4.4 (0.173) 5.2 (0.205)
4.6 (0.181) 5.4 (0.213)