Audi A8 2003 Workshop Manual page 159

8-cylinder TDI engine (4.2 ltr. 4-valve common rail), mechanics - Edition 12.2013
❑ Note correct sequence when loosening
❑ Note correct sequence when tightening
16 - Front engine lifting eye
17 - 23 Nm
18 - Cylinder head
❑ To prevent damage to glow plugs, always place cylinder head on a soft foam surface after removal.
❑ Removing ⇒ page 156
❑ Checking for distortion
❑ Cylinder heads must not be machined on diesel engines
❑ Installing ⇒ page 159
❑ If renewed, change coolant and engine oil
Checking cylinder head for distortion
– Use straight edge 500 mm - VAS 6075- and feeler gauge to
measure cylinder head for distortion at several points.
• Maximum permissible distortion: 0.1 mm.
Identification of cylinder head gasket
1 - Holes
2 - Part No.
Note
The gaskets for the left and right cylinder heads have different
shapes and cannot be interchanged.
⇒ page 159
⇒ page 153
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⇒ page 161
2. Removing and installing cylinder head
Audi A8 2003 ➤
153