Operation CHARM: Car repair manuals for everyone.

Cylinder Head





Tighten the engine cylinder head bolts in sequence according to the following procedure:
a. Tighten all bolts in sequence (1 through 10) to 30 Nm (22 ft. lbs.) torque.
b. Tighten all bolts in sequence (1 through 10) to 61 Nm (45 ft. lbs.) torque.
c. Check all bolts to verify they are set to 61 Nm (45 ft. lbs.) torque.
d. Tighten bolts (in sequence):
- Bolts 1 through 6 to 149 Nm (110 ft. lbs.) torque.
- Bolt 7 to 136 Nm (100 ft. lbs.) torque.
- Bolts 8 through 10 to 149 Nm (110 ft. lbs.) torque.
e. Check all bolts in sequence to verify the correct torque.
f. If not already done, clean and mark each bolt with a dab of paint after tightening. Should you encounter bolts which were painted in an earlier service operation, replace them.