Engine Oil and Oil Filter — Replacement (Opel Ascona C)

1. The engine oil and oil filter must be replaced at the intervals specified in the section "Routine maintenance" at the beginning of this Guide (see photo).



2. We recommend that on vehicles with overhauled engines, the oil and filter be changed after 1000 km.

3. The oil should be drained hot, as this will wash out all impurities and dirt more effectively.

4. Remove the oil filler plug.

5. Place a container to collect the oil under the drain plug of the pan and unscrew the plug. Allow the oil to drain completely and replace the plug.

b. On 1.3 engines, the oil filter is located next to the exhaust system downpipes, on the side surface of the crankcase. When replacing the filter, be careful not to burn yourself on the hot pipes. On all 1.3 models produced since October 1985, the oil filter has a metric thread, so when changing the filter, check the production date of your car in advance.

7. On 1.6 and 1.8 engines, the oil filter is located under the lower generator support bracket, to the side of the crankshaft pulley.

8. Oil filters for engines of different volumes are not interchangeable.



9. To remove the old filter you will need a special chain or belt wrench.

10. Alternatively, you can pierce the filter with a screwdriver closer to its end and, using it as a lever, unscrew the filter. This method of removal is accompanied by spillage of some of the oil.

11. Wipe the crankcase sealing flange and apply a small amount of grease to the rubber sealing ring of the new filter.

12. Screw the filter back into place by hand.

13. Fill the engine with oil through the hole in the camshaft cover.

14. Replace the plug.

15. Start the engine. After a few seconds, the low oil pressure warning light should go out (it takes a few seconds for the empty filter to fill with oil).

16. Turn off the engine, wait a few minutes and check the oil level (pull out the dipstick, wipe it, reinsert it, pull it out and check the level). It may drop a little due to the new filter filling with oil. Add oil as needed, being careful not to overfill, as excess oil will cause it to foam at high engine speeds.

17. The oil level should be between the two marks on the dipstick.

Replacing the oil filter relief valve

19. The oil filter safety valve is located under the filter base. To remove the valve, you need to screw an M10 tap into it and use it to pull out the valve.

20. The new valve should be driven into place until it stops using a punch with a diameter of approximately 15 mm.