Cylinder Head Tightening Specifications

Tighten the cylinder head bolts in the sequence shown in figure. Using the 4 step torque turn method, tighten according to the following values.
1. Tighten center fasteners 1 thru 6 to 33 Nm (25 ft. lbs.).
Then outer fasteners 7 thru 10 to 27 Nm (20 ft. lbs.).
2. Tighten center fasteners 1 thru 6 to 67 Nm (50 ft. lbs.).
Then outer fasteners 7 thru 10 to 27 Nm (20 ft. lbs.).
3. Tighten center fasteners 1 thru 6 to 67 Nm (50 ft. lbs.).
Then outer fasteners 7 thru 10 to 27 Nm (20 ft. lbs.).





4. Turn all fasteners 1 thru 10 90° turn. Do not use a torque wrench for this step.