Cylinder Head Assembly: Specifications

Cylinder Head

Insert cylinder head bolts and tighten by hand.





Tighten cylinder head bolts in 4 stages in sequence shown as follows:

Tighten using a torque wrench:

Stage 1 30 Nm
Stage 2 50 Nm

Tighten with a Torx key:

Stage 3 90 degrees (1/4 turn)
Stage 4 90 degrees (1/4 turn)

It is not necessary to re-tighten cylinder head bolts after repairs have been performed.

Always replace cylinder head bolts

Surface Variation





Use a straightedge and feeler gauge to measure at several points.

Max. permissible distortion 0.05 mm

Intake Manifold

Torque 13 Nm

Camshaft Bearing Cap

Torque 5 Nm + 45 degrees (1/8 turn)











Install intake camshaft as follows:

Tighten bearing caps 5 and 9 alternately in a diagonal sequence and then tighten to final torque.

Tighten bearing caps 1 and 13.

Tighten bearing cap 7.

Tighten bearing caps 3 and 11.

Install exhaust camshaft as follows:

Tighten bearing caps 6 and 10 alternately in a diagonal sequence and then tighten to final torque.

Tighten bearing caps 2 and 14.

Tighten bearing cap 8.

Tighten bearing caps 4 and 12.

Camshaft Gear/Sprocket

Torque 60 Nm 90 degrees (1/4 turn) further