Removing Cylinder Head (Cylinders 4-6)

Information 

• Position hydraulic tappets on a surface you have prepared and labelled yourself in accordance with their installation position in the cylinder head. 
• Components are run in fitting bores. Do not get these mixed up. 
• Do not use magnets for pulling out or removing the hydraulic tappets. Magnets can cause malfunctions. 

1. Remove hydraulic tappets.

   Pull bucket tappets -1-  and switching tappets -2-  out of the fitting bores in the cylinder head.

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   Hydraulic tappets for valve control

   Set bucket and switching tappets down on a clean, labelled surface > Laying aside hydraulic tappets [shown as an example). 

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   Laying aside hydraulic tappets (shown as an example)

2. Loosen fuel line holder -1-  .

   Release and disconnect electric plug connections -2-  .

   Unscrew screw on fuel line holder -3-  .

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   Fuel line holder

3. Loosen line connections on cylinder head.

   Unscrew and remove screws -1-  .

   Disconnect lines -2-. 

   Close off line connections using suitable stoppers.

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   Line connections on cylinder head

4. Unscrew screw on heat shield -1-  .

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   Heat shield

5. Unscrew bearing pin -2-  .

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   Position of bearing pins

6. Unscrew screws for chain housing -1-  .

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   Chain housing screws

7. Unscrew cylinder head screws -1-  .

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   Cylinder head screws

8. Remove cylinder head.
9. Check fitting bores of the hydraulic tappets for wear. If you see signs of wear, replace the relevant cylinder head and any worn hydraulic tappets.
10. Check the sealing face of the cylinder head for distortion and wear during re-installation. Carry out the required repair measures if necessary.
11. Remove and dispose of cylinder head gasket.
12. Check dowel sleeves for signs of damage and replace them if necessary.