Cylinder Head Assembly: Testing and Inspection

(Cylinder head dismantled)





Seal coolant apertures with special tool kit 11 1 470.

Note: Special tool 11 1 473 for cylinder bank 1 through 4
Special tool 11 1 474 for cylinder bank 5 through 8





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

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