Cylinder head, component overview: Notes

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NOTE:

Illustration depicts left cylinder head.
Both cylinder heads can be removed and installed when engine is installed in engine compartment.

Fig 1: Cylinder Head, Component Overview

Courtesy of VOLKSWAGEN UNITED STATES, INC.

1 - High pressure pump

Removing and installing → 24 - FUEL INJECTION SYSTEM

2 - 9 Nm

Always apply Loctite 5910 on sealing surface when reinstalling.

3 - 20 Nm

4 - Lifting eye

5 - O-ring

Replace

6 - Camshaft position sensor, intake camshaft

Cylinder bank 1 (right) Camshaft Position (CMP) Sensor G40
Cylinder bank 2 (left) Camshaft Position (CMP) Sensor 2 G163

7 - 9 Nm

8 - O-ring

Replace

9 - Solenoid valve for camshaft adjustment - intake side

Cylinder bank 1 (right) Camshaft Adjustment Valve 1 N205
Cylinder bank 2 (left) Camshaft Adjustment Valve 2 N208

10 - 2.5 Nm

11 - Gasket

Replace if damaged or leaking

12 - Cap

13 - O-ring

Replace

14 - Solenoid valve for camshaft adjustment - exhaust side

Cylinder bank 1 (right) Exhaust camshaft control valve 1 N318
Cylinder bank 2 (left) Camshaft Adjustment Valve 2 (exhaust) N319

15 - 2.5 Nm

16 - Special bolt, 9 Nm

Replace if damaged or leaking
Observe sequence for tightening Tighten cylinder head cover in sequence under Left cylinder head cover, removing and installing

17 - Cylinder head cover

Removing and installing: Left → Left cylinder head cover, removing and installing , right → Right cylinder head cover, removing and installing

18 - Cylinder head cover gasket

Replace if damaged or leaking

19 - Cylinder head bolt

Replace
Observe sequence for loosening → Left cylinder head cover, removing and installing
Observe sequence for tightening Tighten cylinder head in sequence indicated, in 3 stages as follows: under Installing

20 - O-ring

Replace

21 - 9 Nm

22 - Camshaft position sensor, exhaust camshaft

Cylinder bank 1 (right) Camshaft Position (CMP) Sensor 3 G300
Cylinder bank 2 (left) Camshaft Position (CMP) Sensor 4 G301

23 - Cylinder head

Removing → Cylinder head, removing and installing
Check for distortion Checking cylinder head for distortion
Reworking dimension Reworking dimension, cylinder head
Installing Installing

After replacing, change coolant and engine oil

24 - Cylinder head gasket

Replacing → Cylinder head, removing and installing .
Installed location: Part Number, points to cylinder head
After replacing, change coolant and engine oil