Cylinder Head, Valvetrain - Fastener Tightening Specifications

Fastener Tightening Specifications






• 1 Always replace

• 2 Engine code CBFA only

• 3 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






- Replace the bolts.

• Hand tighten the bolts in several passes in sequence - 1 through 6 -.

• Tighten the bolts in sequence - 1 through 6 - to 8 Nm.

• Tighten the bolts in sequence - 1 through 6 - an additional 90° (1/4) turn.

Cylinder Head Bolt Tightening Sequence and Specification






- Tighten the cylinder head bolts in sequence - 1 through 5 -.

• Tighten the bolts to 40 Nm.

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

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

• Tighten the bolts - arrows - to 8 Nm.

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

Upper Timing Chain Cover Bolt Tightening Sequence and Specification






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

1 - Tighten the bolts hand tight.

2 - Tighten the bolts to 9 Nm.

Lower Timing Chain Cover Bolt Tightening Sequence and Specification, with 15 Bolts






- Tighten the bolts in 2 stages in sequence - 1 through 15 -:

- 1. Tighten the bolts to 8 Nm.

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

Lower Timing Chain Cover Bolt Tightening Sequence and Specification, with 8 Bolts






- Tighten the bolts in 2 stages in sequence - 1 through 8 -:

- 1. Tighten the bolts to 4 Nm.

- 2. Tighten the bolts an additional 45° (1/8) 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 to 10 Nm.

- Turn the chain sprocket.

The chain sprocket may not have any play; if so, loosen and tighten again.

- Tighten the bolt to 30 Nm.

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