Cylinder Head Assembly: Specifications

Cylinder Head

Install the cylinder head and 10 new bolts. Tighten the bolts in the sequence shown in 5 stages:
Stage 1: Tighten to 7 Nm (62 lb-in).
Stage 2: Tighten to 15 Nm (133 lb-in).
Stage 3: Tighten to 45 Nm (33 lb-ft).
Stage 4: Turn 90 degrees.
Stage 5: Turn an additional 90 degrees.





Bolt Re-usability

NOTE: The cylinder head bolts are a torque-to-yield design and must not be reused. New cylinder head bolts must be installed.

Surface Variation - Head-to-block, Head-to-manifolds And Surface Variation - Warpage


















a No. 3 Journal - Supported by No. 1 and No. 5 journals.

Intake Manifold

Install new gaskets, the intake manifold and the 8 bolts.
Tighten the bolts to 18 Nm (159 lb-in).





Camshaft Bearing Cap

Install the camshafts and bearing caps in their original location and orientation. Tighten the bearing caps in the sequence shown in 3 stages:
Stage 1: Tighten the camshaft bearing cap bolts until finger tight.
Stage 2: Tighten to 7 Nm (62 lb-in).
Stage 3: Tighten to 16 Nm (142 lb-in).





Camshaft Sprocket Bolt/Camshaft Drive Gear Bolt
Tighten the bolt to 72 Nm (53 lb-ft)