Cylinder Head Assembly: Testing and Inspection

(cylinder head dismantled)





Seal coolant apertures with Special Tool kit 11 1 440.

Note: Remove the temperature sensor for the coolant and replace with Special Tool 11 1 439 (drain plug).





Immerse cylinder head in a water bath.
Test pressure 4.5 bar
Check cylinder head for escaping air (cracks).

Note: If necessary, add cleaning agent to water bath.