Cylinder Head Assembly: Specifications

Cylinder Head
^ Tighten cylinder head bolts in two stages in sequence shown as follows:
^ Tighten using torque wrench:
^ Step 1: 40 Nm
^ Tighten with normal fixed wrench:
^ Step 2: 180° (1/2 turn) further (2 x 90° - turns permissible)





Checking cylinder head for distortion
^ Check cylinder head for distortion at several points using knife-edge straightedge and feeler gauge.
^ Max. permissible distortion: 0.1 mm





Cylinder head resurfacing limit
^ Resurfacing the cylinder head (skimming) is only permitted down to minimum dimension a.
^ Minimum dimension: a = 139.20 mm

Intake manifold support
to intake manifold 20 Nm
to bracket 20 Nm
Camshaft sprocket to camshaft 65 Nm
Exhaust manifold to cylinder head 25 Nm

Camshaft Bearing cap Tightening Sequence; Refer to Camshaft, Engine, Service and Repair, Procedures Service and Repair