Cylinder Head Assembly

Cylinder Head





Install the cylinder head and 10 new bolts. Tighten the bolts in the sequence shown in 5 stages.

- Stage 1: Tighten the bolts to 5 Nm {0.5 kgf-m, 44 in-lbf}.
- Stage 2: Tighten the bolts to 15 Nm {1.5 kgf-m, 97 in-lbf}.
- Stage 3: Tighten the bolts to 45 Nm {4.5 kgf-m, 33 ft-lbf}.
- Stage 4: Turn the bolts 90 degrees.
- Stage 5: Turn the bolts an additional 90 degrees.

Head Bolt Reuse/Replace

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


Surface Variation

Cylinder Head flatness

Maximum Overall 0.08 mm (0.0031 in)
Maximum within 150 mm (5.9 in) 0.05 mm (0.0019 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, one turn at a time, until finger tight.
- Stage 2: Tighten to 7 Nm {0.7 kgf-m, 62 in-lbf}.
- Stage 3: Tighten to 16 Nm {1.6 kgf-m, 141 in-lbf}.


Intake Manifold Service and Repair

Exhaust Manifold Specifications

Camshaft Sprocket Specifications