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.