Cylinder Head Assembly Overview

Cylinder Head Assembly Overview






1 Cylinder Head

• Removing and installing, refer to => [ Cylinder Head ] Cylinder Head

• Only set the removed cylinder head down on a foam pad. Otherwise the glow plugs can be damaged.

• Check for distortion

• Must not be reworked

• After replacing, change coolant and engine oil

2 Washer

3 Bolt

• Replace

• Loosening sequence => [ Loosen the cylinder head bolts in the sequence. ] Cylinder Head

• Tightening specification and sequence

4 Bolt

• 20 Nm

5 Engine Lifting Eye

6 Gasket

• Replace

7 Vacuum Pump

8 Bolt

9 Connecting Piece

10 Bolts

• Tightening specifications - 19 - => [ Bolt ] Coolant Pipes, Coolant Temperature Sensors and Coolant Pump Assembly Overview

11 Gasket

• Replace

12 Bolts

• 20 Nm

13 Engine Lifting Eye

14 Cylinder Head Gasket

• Replacing, refer to => [ Cylinder Head ] Cylinder Head.

• Cylinder head gasket identification

• after replacing, change coolant and engine oil

15 Camshaft Position Sensor (G40)

• For camshaft position

16 Bolt

• Insert with locking compound; Locking compound, refer to the electronic parts catalog ETKA.

• 10 Nm

Checking Cylinder Head for Distortion

- Check the cylinder head for distortion with the straight edge and feeler gauge in several places.





• Maximum permissible warpage: 0.1 mm.

• It is not permitted to re-work the cylinder heads on TDI engines

Cylinder Head Gasket Identification





1. Part number:

2. Holes

3. ignore.

• Depending on piston projection, varying cylinder head gasket thicknesses can be installed. Refer to => [ Piston Projection, Measuring at TDC ] Testing and Inspection. If replacing the cylinder head gasket, make sure the new cylinder head gasket with the same identification.

Cylinder Head, Tightening Specifications and Sequence

- Replace the cylinder head bolts.

- Tighten bolts in 4 stages in - 1 to 10 - sequence as follows: