Cylinder Head Assembly: Testing and Inspection

(cylinder head dismantled)

Seal off coolant apertures with special tool 11 1 430 in conjunction with special tool 11 1 450.

Note: The special tool kit 11 1 430 contains special tools 11 1 431 / 433 437 / 438 / 439.





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.