Cylinder head

Fig 1: Identifying Cylinder Head Warpage

Courtesy of VOLVO CARS OF NORTH AMERICA.

Maximum out-of-true

Front-rear........0.50 mm

Lateral........0.20 mm

Cylinder head height........129.00 0.05 mm

Maximum machining........0.30 mm

CAUTION:

Reworking of scratches and corrosion on the cylinder head's gasket face against the engine block should only be performed on a flat cylinder head.