Oil pan — removal and installation (Opel Vectra B)

Removal

1. Remove the ground cable from the battery.

2. Raise the front of the vehicle and support it on stands.

3. Drain the engine oil. Install a new washer on the oil drain plug and install the plug into the oil pan, tightening it to the specified torque.



4. Disconnect the electrical connectors from the temperature and oil level sensors.



5. Unscrew the bolts securing the oil pan protrusion to the gearbox housing.

6. Gradually and consistently unscrew the bolts securing the oil pan to the cylinder block. Remove the oil pan and gasket.



7. Unscrew the oil receiver pipe mounting bolts and check the condition of the mesh filter.

Installation

1. Clean all traces of oil and dirt from the mating surfaces of the oil pan and cylinder block.

2. Install a new O-ring onto the oil pickup pipe and reinstall the pipe.





3. Apply a thin layer of sealant to the bottom surface of the cylinder block that mated with the oil pump and rear main bearing cap (the places where the sealant should be applied are indicated by arrows).



4. Install the gasket on the oil pan and install the gasket on the cylinder block. Secure the oil pan with bolts.



5. Working from the center in a diagonal sequence, tighten the oil pan mounting bolts.

6. Tighten the bolts securing the oil pan boss to the gearbox housing.

7. Connect the electrical connectors to the temperature and oil level sensors.

8. Lower the vehicle and add engine oil to the engine.