Opel Frontera UBS. Manual - part 543

7A–41

AUTOMATIC TRANSMISSION (4L30–E)

Speed Sensor (Extension Housing)

Removal

1. Disconnect  battery ground cable.
2. Remove front console.
3. Remove selector lever assembly.
4. Disconnect speed sensor harness connector from

speed sensor.

5. Remove one 10 mm screw and speed sensor with

O–ring.

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Installation

1. Inspect the speed sensor O–ring, and replace it if

necessary.

2. Install speed sensor assembly and 10 mm screw.

Torque: 9 N

•

m (0.9 kg·m/78 lb in)

3. Connect speed sensor harness connector to speed

sensor.

4. Install selector lever assembly.

D

Adjust shift lock cable. Refer to Selector Lever in
this section.

5. Install front console.
6. Connect  battery ground cable.

Transmission Oil Temperature Sensor (Adapter Case)

Removal

1. Raise the vehicle and support it on jack stands.
2. Disconnect battery ground cable.
3. Drain fluid.
4. Remove transfer and exhaust protectors.
5. Remove exhaust pipe and disconnect oxygen sensor

connector.

6. Remove twelve 10 mm adapter case oil pan fixing

screws, adapter case oil pan, and gasket.

NOTE: Oil pan still contains transmission fluid. Place a
large drain container under the oil pan, and drain the fluid
carefully.

7. Disconnect wiring harness from force motor solenoid,

converter clutch solenoid,  and 5 pin connector of
adapter case. Pull only on connectors, not on wiring
harness.

8. Disconnect ground wire from converter clutch

solenoid wiring harness connector.

9. Remove wiring harness assembly (transmission oil

temperature sensor).

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7A–42

AUTOMATIC TRANSMISSION (4L30–E)

Installation

1. Connect ground wire to converter clutch solenoid

wiring harness connector of the wiring harness
assembly.

2. Install wiring harness assembly to converter clutch

solenoid, force motor,  and 5 pin connector of adapter
case.

3. Install oil pan gasket, oil pan,  and twelve 10 mm fixing

screws. Tighten the screws to the specified torque.

Torque: 11 N

•

m (1.1 kg·m/96 lb in)

4. Install exhaust pipe and connect oxygen sensor

connector. Tighten the bolts to the specified torque.

Exhaust pipe flange bolt torque:
43 N

•

m (4.4 kg·m/32 lb ft)

5. Install transfer and exhaust protectors. Tighten the

bolts to the specified torque.

Torque: 37 N

•

m (3.8 kg·m/27 lb ft)

6. Fill transmission through the overfill screw hole of oil

pan, using ATF DEXRON



–III.

Refer to Changing Transmission Fluid in this section.

7. Connect battery ground cable.

Front Oil Seal (Converter Housing)

Removal

1. Remove transmission assembly with transfer case

from the vehicle. Refer to Transmission (with Transfer
Case) in this section.

2. Remove torque converter from converter housing.
3. Remove three screws and oil seal ring from converter

housing.

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Installation

1. Apply clean ATF to the new oil seal ring lip.

D

Install oil seal ring to converter housing. Tighten the
screws to the specified torque.

Torque: 3 N

•

m (0.3 kg·m/26 lb in)

2. Install torque converter to converter housing.
3. Install transmission assembly with transfer case to

the vehicle. Refer to Transmission (with Transfer
Case) in this section.

7A–43

AUTOMATIC TRANSMISSION (4L30–E)

Rear Oil Seal (Extension Housing)

Removal

1. Remove transfer case assembly from the vehicle.

Refer to Transfer Case in Drive Line/Axle section.

2. Remove rear oil seal from transmission extension

housing.

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Installation

1. Use 5–8840–2282–0 (J–36797) extension housing

oil seal installer, and install the rear oil seal  to the
transmission extension housing.

2. Install the transfer case assembly to the vehicle.

Refer to Transfer Case in Drive Line/Axle section.

Transmission (4L30–E)

Disassembly

NOTE: During the disassembly and reassembly, perform
the following:

D

Wash each part thoroughly, and blow air through each
oil passage and groove to eliminate blockage.

D

Seal rings, roll pins, and gaskets should be replaced.

D

When assembling the components, apply
DEXRON



–III Automatic Transmission Fluid (ATF)

to each seal, rotating part, and sliding part.

D

Do not dip part facings, such as  clutch or brake drive
plates, in cleaner when washing it.
Also, always coat parts with new ATF two or three
times after cleaning with solvent.

1. Remove torque converter (1). 

D

Drain fluid from torque converter.

D

Attach 5–8840–2278–0 (J–8763–02) holding
fixture to the transmission and set it on
5–8840–0003–0 (J–3289–20) holding fixture base.

NOTE: Do not overtighten the tool, as case damage may
result.

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2. Remove O–ring (2) from turbine shaft.
3. Remove two 10mm mode switch screws, selector

lever nut, cover, and mode switch (3).

4. Remove twelve 10mm adapter case oil pan (4) fixing

screws, adapter oil pan, and gasket.

5. Disconnect electrical wiring connections (5) from

solenoids and 5 pin connector of adapter case. Pull
on connectors only, not on wiring harness.

7A–44

AUTOMATIC TRANSMISSION (4L30–E)

6. Remove seven 13mm adapter case valve body (6)

fixing screws, adapter case valve body assembly,
transfer plate, and two gaskets.

D

Remove wiring harness and 5 pin connector.

7. Remove sixteen 10mm main case oil pan (7) fixing

screws, main oil pan, magnet, and gasket.

8. Remove three 13mm oil filter (8) fixing screws and oil

filter.

9. Remove two 13mm manual detent (9) fixing screws,

roller and spring, and manual detent.

10. Disconnect wiring harness assembly (10) from band

apply solenoid, shift solenoids, and main case 4 pin
connector.
Pull on connectors only, not on wiring harness.

11. Remove four 13mm servo cover (11) fixing screws,

servo cover, and gasket.

12. Remove seven 13mm valve body screws and ground

wire from main case.

D

Remove wiring harness assembly (5) from the
adapter case side.

D

Remove main valve body assembly (12) with
manual valve link and transfer plate. Note the
position of the link (long end into valve, short end
into range selector lever).

D

Remove 4 pin connector.

D

Remove gasket transfer plate from main case.

13. Remove two check balls (13) from main case.

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14. Turn transmission to vertical position to drain fluid.

Return back to horizontal position when drained.

D

Install 5–8840–0501–0 (J–23075) servo piston
spring compressor with offset to the rear of case.

D

Compress servo piston assembly.

D

Remove servo piston retaining ring (14).

D

Slowly release servo piston assembly (15).

D

Remove tool.

15. Remove servo piston assembly (15), return spring

(16), and servo apply rod (17).