Cylinder Head, Valvetrain - Fastener Tightening Specifications

Fastener Tightening Specifications






Cylinder Head Cover - Tightening Specifications and Tightening Sequence





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

Cylinder Head - Tightening Specifications and Tightening Sequence





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

• The longer cylinder head bolts must be inserted in the middle holes of cylinder head.

- Tighten bolts by hand.

- Tighten the bolts to 30 Nm.

- Tighten the bolts to 50 Nm.

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

Upper Timing Chain Cover - Tightening Specifications and Tightening Sequence





1. Pre-tighten the bolts - 1 - and - 2 - to 5 Nm.

2. Tighten the bolts - 3 - to 23 Nm.

3. Tight the bolts - 1 - and - 2 - to 10 Nm.

Camshafts - Tightening Specifications and Tightening Sequence





- Tighten nuts on intake camshaft - A - in 5 stages as follows:

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

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

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

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

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

- Tighten nuts on exhaust camshaft - B - in 5 stages as follows:

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

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

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

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

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