Cylinder Head, Valvetrain - Fastener Tightening Specifications

Fastener Tightening Specifications

Lower Timing Chain Cover Tightening Sequence





- Tighten bolts in 3 stages as follows:

- Tighten bolts - 1 - to 5 Nm.

- Tighten bolts - 2 - to 23 Nm.

- Tighten bolts - 1 - to 9 Nm.

Cylinder Head Cover Tightening Sequence





- Tighten bolts to 10 Nm in - 1 to 17 - sequence.

Cylinder Head Tightening Sequence





- Tighten bolts in 4 stages in sequence - 1 to 20 - as follows:

- Tighten bolts by hand.

- Tighten bolts to 30 Nm.

- Tighten bolts to 50 Nm.

- Tighten an additional 1/2 turn (180°).

Intake Camshaft - A - Tightening Sequence





- Tighten nuts in 5 stages as follows:

1. Install bearing cap 5 and 9 nuts alternating and diagonally as far as stop.

2. Tighten bearing cap 5 and 9 nuts to 5 Nm + 1/8 additional turn (45°).

3. Tighten bearing cap 1 and 13 nuts to 5 Nm + 1/8 additional turn (45°).

4. Tighten bearing cap 7 nuts to 5 Nm + 1/8 additional turn (45°).

5. Tighten bearing cap 3 and 11 nuts to 5 Nm + 1/8 additional turn (45°).

Exhaust Camshaft - B - Tightening Sequence

- Tighten nuts in 5 stages as follows:

1. Install bearing cap 6 and 10 nuts alternately and diagonally as far as stop.

2. Tighten bearing cap 6 and 10 nuts to 5 Nm + 1/8 additional turn (45°).

3. Tighten bearing cap 2 and 14 nuts to 5 Nm + 1/8 additional turn (45°).

4. Tighten bearing cap 8 nuts to 5 Nm + 1/8 additional turn (45°).

5. Tighten bearing cap 4 and 12 nuts to 5 Nm + 1/8 additional turn (45°).