Cylinder Head Assembly: Specifications

Cylinder Head - Tightening Specification and Sequence:





Replace any bolts that were tightened with an additional turn.

Tighten the bolts in 4 steps and in the sequence shown:





Tighten the bolts - arrows - for the lower timing chain cover in 2 stages:





Tighten 3 Nm
Tighten 90° further

Cylinder Head for Distortion:





Check the cylinder head on several locations for distortion using a straight edge 500 mm (VAS 6075) and a feeler gauge.

Maximum warp 0.05 mm

Reworking Dimension, Cylinder Head:





Resurfacing cylinder head (face grinding) is only permissible to minimum dimension - a -.

Minimum dimension - a - = 139.20 mm.

Camshaft Guide Frame Tightening Specifications and Sequence:





The guide frame for the left cylinder head camshaft is shown in the illustration. The right cylinder head is identical.

Replace any bolts that were tightened with an additional turn.

Tighten the bolts in 3 steps and in the sequence shown:





Intake Manifold Specifications

Exhaust Manifold Specifications

Camshaft Gear/Sprocket Specifications