Cylinder Head, Valvetrain - Fastener Tightening Specifications

Fastener Tightening Specifications






• 1 Always replace

• 2 Install using liquid locking fluid, refer to the Parts Catalog

• 3 Engine code CBFA only

• 4 Has left hand threads

Crankcase Ventilation Bolt Tightening Sequence and Specification






- Tighten the crankcase ventilation bolts in sequence - 1 through 10 - to 11 Nm.

Cylinder Head Cover Bolt Tightening Sequence and Specification






- Tighten the new cylinder head cover bolts in 3 passes in sequence - 1 through 6 - as follows:

• Tighten the bolts by hand.

• Tighten the bolts to 8 Nm.

• Tighten the bolts an additional 90° (1/4) turn.

Cylinder Head Bolt Tightening Sequence and Specification






- Tighten the new cylinder head bolts in 3 passes in sequence - 1 through 5 - as follows:

• Tighten the bolts to 40 Nm.

• Tighten the bolts an additional 90° (1/4) turn.

• Tighten the bolts an additional 90° (1/4) turn.

Then:

- Tighten the new bolts - arrows - to 8 Nm.

- Tighten the bolts - arrows - an additional 90° (1/4) additional turn.

Upper Timing Chain Cover Bolt Tightening Sequence and Specification






- Tighten the bolts in 2 passes in sequence - 1 through 5 - as follows:

• Tighten the bolts by hand.

• Tighten the bolts to 9 Nm.

Lower Timing Chain Cover Bolt Tightening Sequence and Specification






- Tighten the bolts in 3 passes in sequence - 1 through 15 - as follows:

• Tighten the bolts by hand.

• Tighten the bolts to 8 Nm.

• Tighten the bolts an additional 45° (1/8) additional turn.

Intermediate Shaft Sprocket Bolt Tightening Sequence and Specification






Always replace the intermediate shaft sprocket. Otherwise the backlash will not adjust itself and it could result in engine damage. The new intermediate shaft sprocket has an anti-friction coating that wears off after a short period of use, which automatically adjusts the backlash.

- Tighten the bolt in 4 passes as described below:

- Tighten the bolt to 10 Nm.

- Rotate the sprocket.

• The sprocket cannot have any play. If it does, loosen the bolt and retighten it again.

- Tighten the bolt to 30 Nm.

- Tighten the bolt an additional 90° (1/4) turn.