Oil pan — removal and installation (Opel Omega B2)

Removal

1. Disconnect the negative (-) battery terminal from the battery.

2. Remove the engine splash guard, the engine oil dipstick guide tube and drain the oil by unscrewing the drain plug. After draining the oil, screw the plug back in.

3. Remove the radiator support 4, which consists of three parts (see illustration).



4. Remove the 3 fuse box and battery (see illustration 13.3).

5. Remove the air filter 5 (see illustration 13.3).

6. Vehicles with automatic transmission: Remove the oil cooler line.

7. Unscrew bolts 1 and 2 and remove the radiator fan together with the diffuser (see illustration 13.3).

8. Attach the 2 MKM-883-1 crossbar to the engine to lift the engine and relieve its supports (see illustration).



9. Unscrew nut 2 securing left support 3 of the engine (see illustration).





10. Unscrew the bolt securing the right support 4 of the engine (see illustration 13.9).

11. Disconnect plug 2 of the dynamic engine oil level control sensor (see illustration).



12. Unscrew the bolts 1 securing the bracket 3 of the cooling system pipe and disconnect the low-pressure hose 3 from the T-shaped branch pipe 4 (see illustration 13.11).

13. Unscrew the bolts securing the oil pan to the cylinder block, timing case and transmission. Mark the mounting position of the bolts due to their different lengths.

14. Raise the engine slightly, secured to the MKM-883-1 support crossbar. Attention! This operation should be performed with extreme caution so as not to damage the parts or compromise the tightness of the connections.



15. Remove the oil pan by moving it, as shown by the arrow, between the front axle cross member and the cylinder block (see illustration).



(Article published on the website: OPELBOOK)

Caution! Do not damage the sealing surfaces of the engine and sump.

Installation

16. Clean the sealing surfaces and remove any remaining old sealant.

17. Apply a drop of black sealant to the ends at points 1 and place a new sealing gasket on the cylinder block housing (see illustration).



18. Install the oil pan and secure it to the crankcase.

19. Lower the raised engine and fully tighten the oil pan mounting bolts.

20. Tighten the oil pan bolts. Bolt tightening torque:

• M6 - 10 Nm,
• M8 - 22 Nm.

21. Install or connect the removed parts in the reverse order of removal, and also remove the support crossbar from the engine.



22. Fill the engine with oil, test drive and check the oil pan for leaks.

Caution! Replace the left engine mount mounting bolt with a new one.