Removal and installation the engine oil level sensor (Opel Astra G)

Petrol models

Models 1.4, 1.6 and 1.8 l

The oil level sensor is installed inside the engine oil pan, on its front side.

1. Set the parking brake, jack up the front of the vehicle and place it on supports. If equipped, remove the engine crankcase guard.

2. Drain the engine oil into a clean container, replace the drain plug and tighten it to the required torque (see Chapter Routine maintenance).

3. Disconnect the electrical wiring from the sensor.

4. Unscrew the mounting bolts and remove the sensor assembly with the sealing ring - the ring must be replaced without fail.



5. Installation is carried out in the reverse order. Make sure that the electrical wiring is laid correctly. Finally, fill the engine with oil (see Chapter Routine maintenance).

2.0L models

Sensor (if provided) installed inside the engine oil pan.

1. Remove the lower section of the tray (see Chapter Engine).

2. Unscrew the mounting bolts and remove the sensor - try to remember the wiring route. Check the condition of the sealing element - replace it if necessary.

3. Before installation, thoroughly clean the threads of the mounting bolts, completely removing all traces of old sealant. Apply fresh sealant. Lubricate the sealing element with engine oil.



4. Install the sensor (make sure the electrical wiring is laid correctly) and tighten its mounting bolts with the required force. Pass the contact connector through the tray, - try not to damage the sealing element. Snap the locking clamp.

5. Make sure the sensor is seated correctly, then reinstall the lower section of the pan (see Chapter Engine).

Diesel models

Oil level sensor (if installed) installed inside the pallet.

1. Remove the tray (see Chapter Engine).

2. Remove the retaining ring and push the sensor wiring connector into the pan.

3. Unscrew the mounting bolts and remove the sensor.

4. Install the sensor in its standard place, screw in and tighten the mounting bolts to the required force.

5. Install a new sealing ring, place the electrical connector into the hole in the pan and secure it with the retaining ring (1).



6. Install the tray (see Chapter Engine).