System Specifications
Cylinder Head, Tightening Specifications and Sequence
Replace bolts that are tightened to the specification.
Tighten the bolts in 4 steps in the sequence shown:
Tighten the bolts - arrows - for the lower timing chain cover:
Tighten 3 Nm
Tighten 90° further
Checking 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 - ma - = 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 bolts that are tightened to the specification.
Tighten the bolts in 3 steps in the sequence shown:
Intake Manifold Specifications
Exhaust Manifold Specifications
Camshaft Gear/Sprocket Specifications