Cylinder Head Assembly: Testing and Inspection

Checking Cylinder Head For Leaks (N62)
Special Tools Required:
^ 11 9 430
^ 11 9 431
^ 11 9 432
^ 11 9 433

(Cylinder Head Dismantled)
Have special tool kit 11 9 430 ready.

Note: Special tool kit 11 9 430 can be used for cylinder bank 1 to 4 and cylinder bank 5 to 8.





Place special tool 11 9 431 on cylinder head sealing surface, insert screws (special tool 11 9 433) and tighten down.

Seal coolant opening with special tool 11 9 432 and tighten down.





Connect compressed air hose (1) to pressure gauge.

Immerse cylinder head in a water bath. Inspection pressure 4.5 bar.

Check cylinder head for escaping air (cracks).

Note: If necessary, soften the bath water with a cleaning agent.