Cylinder Head Assembly
Intake ManifoldPosition the intake manifold and torque to 20.34 N.m (180 lbs. in.)
Cylinder Head Surface Variation
The minimum cylinder head thickness is 128.35 mm (5.0532 in.).
Cylinder Head Bolt
Tighten M12 cylinder head bolts 1 through 8, in the sequence shown to 60 Nm (44 ft. lbs.).
Tighten bolts 9 and 10 to 20 Nm ( 177 in. lbs.).
Tighten 12 mm cylinder head bolts, 1 through 8, in sequence shown, an additional 90 degrees.
Recheck and tighten M8 bolts 9 and 10 to 20 Nm ( 177 in. lbs.).
And then again, tighten M12 cylinder head bolts, 1 through 8, in sequence an additional 90 degrees.
Cylinder Head- Reusability
CAUTION: Inspect and measure all cylinder head bolt lengths. If out of specification, replace as necessary. Do Not lubricate new cylinder head bolts. They already are coated with an anti scuff treatment.
Thread Diameter 12 mm NA
Cylinder Head Bolt Length When New 205 mm 8.079 in.
Cylinder Head Bolt Max. length 207 mm 8.1496 in.
Camshaft Retainers
Install the right exhaust camshaft. Tighten the retaining fasteners to 8 Nm (71 in. lbs.).
Install the right intake camshaft. Tighten the retaining fasteners to 8 Nm (71 in. lbs.).
Exhaust Manifold
Install the right exhaust manifold to cylinder head nuts.
Torque the nuts to 25 Nm (222 in. lbs.)
Install two of the drive gear bolts. Tighten the bolts to 18 Nm (13 ft. lbs.).