Cylinder Head Assembly

Cylinder Head






Tighten the bolts in 3 stages:
Stage 1 20 Nm (15 ft. lbs.)
Stage 2 40 Nm (30 ft. lbs.)
Stage 3 50 Nm (37 ft. lbs.)
Always use new Bolts

CAUTION: Each bolt must be loosened and the final tightening carried out prior to working on the next bolt in the sequence. Do not loosen all of the bolts at one time.

Carry out the following final tightening process on each bolt in the sequence shown.

Long bolts:
^ Loosen and back out 3 turns.
^ Tighten to 45 Nm (33 lb-ft).
^ Tighten an additional 180 degrees.
^ Continue on to the next bolt in the sequence.

Short bolts
^ Loosen and back out 3 turns.
^ Tighten to 25 Nm (18 lb-ft).
^ Tighten an additional 180 degrees.
^ Continue on to the next bolt in the sequence.

Head gasket surface flatness 0.08 mm (0.003 in) in 152.0 mm (6.00 in)
Head gasket surface finish (RMS) 2.0 @ 0.85.5 @ 2.5
Cylinder head gasket surface flatness 0.18 mm (0.007 in)

Exhaust Manifold - LH





LH exhaust manifold nuts 25 Nm (18 ft. lbs.)

Exhaust Manifold - RH





RH exhaust manifold nuts 25 Nm (18 ft. lbs.)

Upper Intake Manifold





Tighten the bolts in 2 stages.
Stage 1 6 Nm (53 inch lbs.)
Stage 2 10 Nm (89 inch lbs.)


Lower Intake Manifold





Tighten the bolts in 2 stages.
Stage 1 5 Nm (44 inch lbs.)
Stage 2 10 Nm (89 inch lbs.)

Timing Chain Sprocket/Synchronizer Bolt
Tightn to 45 Nm (33 ft lbs)