1998 OPEL FRONTERA length

7A–118 AUTOMATIC TRANSMISSION (AW30-40LE)
252RY00026
252RY00027
252RY00028
252RY00029
15. OD one-way clutch
Remove OD one-way clutch with outer race.
INSPECTION AND REPAIR
Check discs
Using a micrometer, measure the thickness of the discs.
If the thickness is less than the minimum, replace the disc.
Check piston return spring
Using calipers, measure the free length of the return spring.
Check OD direct clutch piston
Check that check ball is free by shaking the piston.
Check that the valve does not leak by applying low-pressure
compressed air.mm (in.)
Minimum thickness 1.84 (0.0724)
mm (in.)
Standard length 15.8 (0.622)

7A–128 AUTOMATIC TRANSMISSION (AW30-40LE)
252RY00046
INSPECTION AND REPAIR
Make necessary correction or parts replacement if wear,
damage or any abnormal conditions are found through
inspection.
Check piston return spring
Using calipers, measure the free length of the return spring.
mm (in.)
Standard 17.2 (0.677)

AUTOMATIC TRANSMISSION (AW30-40LE) 7A–135
248RY00030
247RY00034
252RY00027
248RY00031
7. Direct clutch piston
Place the direct clutch drum onto the OD support.
Holding the direct clutch piston by hand, apply compressed
air to the OD support to remove the direct clutch piston.
Remove the direct clutch piston.
Remove two O-ring from piston.
INSPECTION AND REPAIR
Check piston return spring
Using calipers, measure the free length of the return spring.
Check discs
Using a micrometer, measure the thickness of the discs.
If the thickness is less than the minimum, replace the disc.
Check direct clutch piston
Check that check ball is free by shaking the piston.
Check that the valve does not leak by applying low-pressure
compressed air.mm (in.)
Standard 21.3 (0.839)
mm (in.)
Minimum thickness 1.84 (0.0724)

7A–144 AUTOMATIC TRANSMISSION (AW30-40LE)
248RY00045
247RY00034
Check disc, plate and flange
Check to see if the sliding surface of the disc, plate and
flange are worn or burnt. If necessary, replace them.
• If the lining of the disc is peeling off or discolored, or even
if par ts of the printed numbers are defaced, replace all
discs.
• Before assembling new discs, soak them in ATF for at
least fifteen minutes.
Check piston return spring
Using calipers, measure the free length of the return spring.
mm (in.)
Standard length 19.47 (0.7665)

AUTOMATIC TRANSMISSION (AW30-40LE) 7A–159
246RY00007
247RY00001
246RY00008
247RY00034
Important operations
1. Second brake assembly
Remove second brake assembly from output shaft.
2. Snap ring
Place special tool on the spring retainer, and compress the
return spring.
Spring compressor : 5–8840–0254–0 (J–25048)
Remove the snap ring with snap ring pliers.
7. Second brake piston
Holding the second brake piston by hand, apply
compressed air to the second brake drum to remove the
second brake piston.
Remove the second brake piston.
INSPECTION AND REPAIR
Check piston return spring
Using calipers, measure the free length of the return
spring.
mm (in.)
Standard length 16.05 (0.6319)

AUTOMATIC TRANSMISSION (AW30-40LE) 7A–201
240RY00015
240RY00029
240RY00010
240RY00016
3. Check valve, spring
Install new check valve and spring.mm (in.)
Piston Outer diameter Height
B–2 36.8 (1.449) 62.5 (2.461)
C–2 36.8 (1.449) 56.6 (2.228)
B–0 31.8 (1.252) 52.0 (2.047)
C–0 29.8 (1.173) 44.0 (1.732)
Spring Free length Outer diameter
(1) B–2 75.8 (2.984) 20.1 (0.791)
(2) C–2 (Inner) 42.1 (1.658) 14.7 (0.579)
(3) C–2 (Outer) 64.0 (2.520) 20.2 (0.795)
(4) B–0 63.6 (2.504) 16.0 (0.630)
(5) C–0(Outer) 74.6 (2.937) 20.9 (0.823)
(6) C–0(Inner) 46.0 (1.811) 14.0 (0.551)

7A–202 AUTOMATIC TRANSMISSION (AW30-40LE)
240RY00017
244RY00017
249RY00011
249RY00012
4. Valve body
Align the groove of the manual valve to the pin of the lever.
Install the twenty bolts.
Each bolt length (mm) is indicated in the figure.
5. Solenoid wiring
Coat a new O–ring with ATF, and install it to the solenoid
wiring.
Insert the solenoid wiring to the case and install the stopper
plate.
Connect the connectors to the solenoid S1(1), S2(2), lock-
up solenoid (3), and pressure control solenoid (4).Nꞏm (kgꞏm/lbꞏin)
Torque 10 (1.0/87)