Operation CHARM: Car repair manuals for everyone.

System Specifications



Cylinder Head

Insert cylinder head bolts and tighten by hand.





Tighten cylinder head bolts in two stages in sequence shown as follows:

Stage 1 40 Nm
Stage 2 additional 180 degrees (1/2 turn)
with a rigid wrench.
Permissible to torque by 2 x 90 degrees

It is not necessary to re-tighten cylinder head bolts after repairs have been performed.

Always replace cylinder head bolts

Surface Variation





Use knife-edge straightedge and feeler gauge to measure at several points.

Max. permissible distortion 0.1 mm





Reworking the cylinder head (shaving) is only permitted down to minimum dimension a.

Minimum dimension a 139.25 mm

Camshaft Bearing Cap

Torque 10 Nm

Camshaft Gear/Sprocket

Torque 65 Nm