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 and install the drain plug into the oil pan.

1.6L engines

4. Remove the front exhaust pipe.

5. Disconnect the electrical connector from the oil level sensor.

6. Remove the bolts securing the oil pan protrusion to the transmission housing.



7. To access the oil pan mounting bolts, remove the rubber plugs covering the bolts.

8. Gradually and consistently unscrew the bolts securing the oil pan to the engine block. Remove the oil pan and gasket.

9. Unscrew the bolts and remove the oil receiver tube with the mesh filter. Wash the mesh filter.

Engines 1.8 and 2.0 l

10. Disconnect the electrical connector from the engine oil level sensor.

11. Unscrew the bolts securing the lower part of the oil pan to the main block of the pan and remove it together with the gasket.

12. To remove the main oil pan assembly from the engine, remove the oil filter.

13. Remove the front exhaust pipe.

14. Remove the bolts securing the main oil pan block projection to the gearbox housing.



15. Gradually unscrew the bolts securing the main sump block to the cylinder block. Remove the main sump block together with the gasket.

Warning: On some models it may be necessary to disconnect the right drive shaft from the transmission to remove the main oil pan assembly.

16. Unscrew the bolts and remove the oil pick-up pipe together with the mesh filter.

Installation

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

1.6L engines

2. Install a new O-ring onto the top of the oil pickup pipe. Apply a lubricant to the bolt threads and screw the oil pickup pipe onto the oil pump.



3. Apply a thin layer of sealant to the cylinder block surface around the oil pump and rear main bearing cap (the places where the sealant is applied are indicated by lines).

4. Install a new gasket onto the oil pan. Apply a bolt locking compound to the bolt threads and tighten the oil pan mounting bolts, working from the center in a diagonal pattern.

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

Original source is on the website: opelbook.ru

6. Install the front exhaust pipe and reconnect the oil level sensor electrical connector.



7. Lower the vehicle to the ground and pour engine oil into the engine.

Engines 1.8 and 2.0 l

Warning: When installing the oil pan, new bolts must be used.

8. Install a new O-ring on the top of the oil pickup pipe. Install the oil pickup pipe onto the oil pump and secure with bolts.

9. Apply a thin layer of sealant to the bottom of the cylinder block in the area where the oil pump and rear main bearing caps are mounted.

10. Install a new gasket onto the main oil pan block and apply a lubricant to the threads of the oil pan bolts to prevent them from coming loose.

11. Install the main oil pan assembly onto the cylinder block and secure with bolts, tightening them from the center in a diagonal sequence.

12. Bolt the main oil pan block boss to the transmission housing.

13. Install the front exhaust pipe and, where necessary, connect the drive shaft to the gearbox.

14. Check that the mating surfaces of the main oil pan block and the lower oil pan are clean and dry. Install the lower oil pan with a new gasket onto the main oil pan block and secure it with new bolts.

15. Install a new oil filter and connect the electrical connector to the oil level sensor.

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