Operation CHARM: Car repair manuals for everyone.

Cylinder Head - GT3



Cylinder head tightening - GT3






The cylinder head screws are tightened in four steps.

Important: all four steps must be carried out in the order shown!

- Initial tightening to 30 Nm (22 ftlb.).
- Loosen all screws again in reverse order.
- Tighten screws to 20 Nm (15.0 ftlb.)
- Retighten screws to 20 Nm (15.0 ftlb.)
- Retighten screws with torque angle of 1 x 120°



Camshaft housing tightening - GT3







Tighten the bolts from the inside outwards in the shown sequence.

NOTE: The fastening screws on the camshaft housing must be of 10.9 quality. If the quality is 8.8, the screws must be replaced.

- Initial tightening: 23 Nm (17 ftlb.)
- Tightening torque: 28 Nm (21 ftlb.)