Cylinder Head Assembly: Specifications

Fastener Tightening Specifications






• 1 Always replace

• 2 For bolt clarification, refer to - items 14 and 15 - in the => [ Toothed Belt Overview ] Toothed Belt Overview

Cylinder Head Cover Bolt Tightening Sequence and Specification






- Tighten the bolts in sequence - 1 through 7 - hand tight.

- Tighten the bolts in sequence - 1 through 7 - to 10 Nm.

Cylinder Head Bolt Tightening Sequence and Specification






• Always replace the cylinder head bolts.

1 - Tighten the bolts using a torque wrench:

First pass = 30 Nm

Second pass = 50 Nm

2 - Tighten the bolts further using a ratchet:

Third pass = an additional 90° (1/4) turn

Final pass = an additional 90° (1/4) turn

Checking the Cylinder Head for Distortion





- Special tools, testers and auxiliary items required

• Straight Edge 500 mm (VAS 6075)

• Feeler Gauge

Max. permissible distortion: 0.1 mm

• Remanufacturing diesel cylinder heads is not permitted.

Bearing Frame Bolt Tightening Sequence and Specification






- Tighten the bolts by hand in sequence - 1 through 24 -.

• The bearing frame must be in contact with the entire contact surface of the cylinder head.

- Tighten bearing frame bolts in sequence - 1 through 24 - until they are seated.

- Tightening specification: 10 Nm

Intake Manifold Bolts Specifications

Exhaust Manifold Nuts Specifications

Camshaft Sprocket Bolts Specifications