Cylinder Head Component Overview

Cylinder Head Component Overview






1 Cylinder Head Gasket

• Metal gasket

• Replace

• After replacing, change coolant and engine oil

2 Cylinder Head

• Removal, refer to => [ Cylinder Head, Removing ] Cylinder Head, Removing

• Check for distortion => [ Checking Cylinder Head for Distortion ]

• Installation, refer to => [ Cylinder Head, Installing ] Cylinder Head, Installing

• After replacing, change coolant and engine oil

3 Lifting Eye

4 23 Nm

5 Cylinder Head Cover Gaskets

• Replace if damaged

6 Cylinder Head Cover

• Removal and installation, refer to => [ Cylinder Head Cover ] Service and Repair

7 Spacing Sleeve

• With seal

• Replace seal if damaged

8 10 Nm

9 Cap

10 Seal for Filler Cap

• Replace if damaged

11 Rubber Buffer

• Replace if damaged

12 Ignition Coil

• Use puller for ignition coil (T10095 A) for removal

13 10 Nm

• Bolt with spacing sleeve and seal

• Replace seal if damaged

14 10 Nm

15 10 Nm

16 Wire Harness Retainer

17 Cylinder Head Bolt

• Replace

• Observe sequence for tightening

18 Lifting Eye

19 23 Nm

20 Bolt

21 Combination Valve for Secondary Air System

• Version and installation location => [ Secondary Air Injection Component Overview ] Service and Repair

Cylinder Head Cover - Tightening Specifications and Tightening Sequence





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

Loosening the Cylinder Head





- Loosen the bolts in sequence - 1 to 20 -.

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).

Checking Cylinder Head for Distortion





- Check cylinder head at multiple points for distortion, using straight edge and feeler gauges.

• Max. permissible distortion: 0.05 mm.