Operation CHARM: Car repair manuals for everyone.

Cylinder Head Assembly

Cylinder Head







Position the new LH and RH cylinder heads and gaskets. Install new bolts and tighten in the sequence shown in 6 stages.
Stage 1: Tighten to 40 Nm {4.1 kgf-m, 30 ft-lbf}.
Stage 2: Tighten 90 Nm {9.2 kgf-m, 66 ft-lbf}.
Stage 3: Loosen one full turn.
Stage 4: Tighten to 40 Nm {4.1 kgf-m, 30 ft-lbf}.
Stage 5: Tighten 90 degrees.
Stage 6: Tighten 90 degrees.

Bolt Reuseability

NOTE: New cylinder head bolts must be installed. They are torque-to-yield designed and cannot be reused.

Surface Variation














Camshaft Bearing Cap






Tighten the LH camshaft bearing cap bolts in the sequence shown in 2 stages.
Stage 1: Tighten to 10 Nm {1.0 kgf-m, 89 in-lbf}.
Stage 2: Individually loosen and then tighten each camshaft bearing cap to 10 Nm {1.0 kgf-m, 89 in-lbf}.

NOTE: Make sure to tighten the camshaft bearing cap bolts in sequence in 2 stages.







Tighten the RH camshaft bearing cap bolts in the sequence shown in 2 stages.

Stage 1: Tighten to 10 Nm {1.0 kgf-m, 89 in-lbf}.
Stage 2: Individually loosen and then tighten each camshaft bearing cap to 10 Nm {1.0 kgf-m, 89 in-lbf}.

NOTE: Make sure to tighten the camshaft bearing cap bolts in sequence in 2 stages.


Intake Manifold Service and Repair

Exhaust Manifold Removal and Replacement

Camshaft Sprocket Specifications