Opel Frontera UBS. Manual - part 2521

7A–42

AUTOMATIC TRANSMISSION (4L30–E)

Valve Body Assembly (Adapter Case)

Removal

1. Raise the vehicle and support it on jack stands.
2. Disconnect battery ground cable.
3. Drain fluid.
4. 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.
Drain the fluid carefully.

5. Disconnect wiring harness from force motor solenoid

and converter clutch solenoid. Pull only on
connectors, not on wiring harness. 

6. Remove seven 13 mm screws from adapter case

valve body assembly, then remove  transfer plate, two
gaskets, and adapter case valve body.

Installation

1. Inspect electrical 4 way connector and seal of adapter

case. Replace if necessary.

2. Install gasket, transfer plate, and gasket.
3. Install adapter case valve body and seven 13 mm

screws. Tighten the screws to the specified torque.

Torque: 20 N

•

m (2.0 kg·m/15 Ib ft)

4. Connect wiring harness assembly to converter clutch

solenoid and force motor.

5. Install oil pan gasket, oil pan, and twelve 10 mm

screws. Tighten the screws to the specified torque.

Torque: 11 N

•

m (1.1 kg·m/96 Ib in)

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.

Powertrain Control Module (PCM)

Removal

1. Disconnect battery ground cable.
2. Disconnect PCM wiring harness connectors from

PCM.

3. Remove PCM from bracket.

LHD

828R200006

RHD

828R200007

Installation

1. Install PCM to bracket.
2. Connect PCM wiring harness connectors to PCM.
3. Connect battery ground cable.

7A–43

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.

241RW007

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 Ib 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.

7A–44

AUTOMATIC TRANSMISSION (4L30–E)

Transmission Oil Temperature Sensor (Main Case)

Removal

1. Raise the vehicle and support it on jack stands.
2. Disconnect battery ground cable.
3. Drain fluid.
4. Remove sixteen 10 mm main case oil pan fixing

screws, main case oil pan, and gasket.

5. Disconnect wiring harness from shift solenoids, band

apply solenoid,  and 7 way connector of main case.
Pull only on connectors, not on wiring harness.

6. Remove wiring harness assembly with transmission

oil temperature sensor.

244RY001

Installation

1. Install wiring harness assembly with transmission oil

temperature sensor to band apply solenoid, shift
solenoids, and 7 way connector of main case.

2. Install oil pan gasket, oil pan, and sixteen 10 mm

fixing screws. Tighten the screws to the specified
torque.

Torque: 11 N

•

m (1.1 kg·m/96 Ib in)

3. Fill transmission through the overfill screw hole of oil

pan, using ATF DEXRON



–III.

Refer to Changing Transmission Fluid in this section.

4. Connect battery ground cable.

7A–45

AUTOMATIC TRANSMISSION (4L30–E)

Front Oil Seal (Converter Housing)

Removal

1. Remove transmission assembly with transfer case

from the vehicle. Refer to Transmission (With
Transfer Case / Extension Assembly) in this section.

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

housing.

241RW008

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 Ib 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.

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.

241RW005

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.