Cylinder Head Assembly: Specifications

CYLINDER HEAD TORQUE & SEQUENCE:

Tighten the 10 cylinder head bolts in 6 stages, in the sequence shown.
Stage 1: Tighten to 40 Nm (30 lb-ft).
Stage 2: Tighten an additional 90 degrees (one-quarter turn).
Stage 3: Loosen a minimum of one full turn (360 degrees).
Stage 4: Tighten to 40 Nm (30 lb-ft).
Stage 5: Tighten an additional 90 degrees (one-quarter turn).
Stage 6: Tighten an additional 90 degrees (one-quarter turn).





BOLT RE-USABILITY

NOTE: The cylinder head bolts must be discarded and new bolts installed. They are a tighten-to-yield design and cannot be reused.

SURFACE VARIATION - HEAD-TO-BLOCK, HEAD-TO-MANIFOLDS AND SURFACE VARIATION - WARPAGE










INTAKE MANIFOLD TORQUE & SEQUENCE:

Tighten the bolts in the sequence shown.
Tighten to 25 Nm (18 lb-ft).






CAMSHAFT BEARING CAP TORQUE & SEQUENCE:

Tighten the bolts in the sequence shown.
Tighten to 10 Nm (89 lb-in).






CAMSHAFT GEAR/SPROCKET TORQUE:

Install the camshaft sprocket and bolt. Tighten the bolt in 2 stages.
Stage 1: Tighten to 40 Nm (30 lb-ft).
Stage 2: Tighten an additional 90 degrees (one-quarter turn).

EXHAUST MANIFOLD TORQUE & SEQUENCE:

Install a new LH exhaust manifold gasket the LH exhaust manifold and 8 new nuts.
Tighten to 20 Nm (177 lb-in) in the sequence shown.





Install a new RH exhaust manifold gasket the RH exhaust manifold and 8 new nuts.
Tighten to 20 Nm (177 lb-in) in the sequence shown.