Operation CHARM: Car repair manuals for everyone.

Cylinder Head Torque and Sequence






12 Point Head Bolts
First Turn 34 Nm
Second Turn 90 degrees
Third Turn 90 degrees





Recessed Head Bolt 18 Nm





Cam Bearing Cap Bolts 16 Nm

Head Surface Warpage (Maximum)
Deck Surface Side 0.10 mm
Exhaust Side 0.10 mm
Intake Side 0.10 mm

If any bolt is broken or deformed, replace it. Apply a light coat of engine oil on the threads and under the heads of the cylinder head bolts.