Operation CHARM: Car repair manuals for everyone.

Engine Lubrication: Testing and Inspection







1. Screw standard oil pressure tester or VW 1342 tester combined with M 10 x 1 fitting and M 14 x 1.5 flange into hole of temperature sender unit in base.
2. Warm up engine to operating temperature (80°C to 90°C oil temperature).
- Use oil temperature tester (Special Tool 9122 + 9122/2) to check temperature.
3. The oil pressure at idle speed must remain between 2.0 and 2.5 bar.
- Have a second person raise the engine speed to 2,500 rpm.
- Read off oil pressure on tester.
The reading must be above 5 bar.
4. Fit temperature sender unit with new seal.