Operation CHARM: Car repair manuals for everyone.

Cylinder Head Assembly: Specifications

Cylinder head bolts





Step 1: Bolts 1-8 27 Nm (20 ft. lbs.).
Step 2: Verify that bolts 1-8, all reached 27 Nm (20 ft. lbs.), by repeating step-1 without loosening the bolts.
Bolts 9 thru 12 14 Nm (10 ft. lbs.).
Step 3: Bolts 1-8 90 degrees
Step 4: Bolts 1-8 90 degrees, again.
Bolts 9-12 26 Nm (19 ft. lbs.)

The bolts must be examined BEFORE reuse. If the threads are necked down the bolts should be replaced.

Cylinder Head Warpage (Flatness) 0.0508 mm 0.002 inch





Intake manifold bolts 12 Nm (105 inch lbs.)





Camshaft cap bolts 11 Nm (100 inch lbs.)
Working in 1/2 turn increments

Camshaft sprocket bolt 122 Nm (90 ft. lbs.)

Exhaust manifold bolts 25 Nm (18 ft. lbs.)
Working from center outward