Engine — preparation for first start after major repair (Opel Omega A)

1. Tighten the cylinder head mounting bolts to the final angle (if you haven't done it yet).

2. Check that there is enough fuel in the tank, that the battery is fully charged and that all lubricants and fluids are filled.

3. To prime the fuel system, it will take longer than usual to start the engine with the starter. Do not engage the starter for more than 10 seconds, pause for about the same length to restore the battery and starter.

4. Once the engine starts, watch for the oil pressure warning light to go out. This will take a few seconds until the oil filter fills. There will also be some valve train noise until the hydraulic lifters are properly filled with oil.

5. Check the system for oil, coolant and fuel leaks.

6. Warm up the engine to operating temperature, then adjust the idle speed.

7. Turn off the engine and check the entire length of the exhaust pipe connections. Also check for oil or coolant leaks at the same time.

8. Perform Stage 5 of tightening the cylinder head bolts.

9. Check engine oil and coolant levels, top up if necessary.

10. Check the operation of the vehicle while driving.

11. If new bearings and/or pistons have been installed, the engine must be operated at reduced speed and load for the first 1000 km. After this, replace the engine oil and filter.

12. Also after the first 1000 km, the cylinder head mounting bolts must be tightened to the angle specified in the Specifications for Stage 6. This must be done cold or warm (not hot) engine.