Cylinder Head And Cover Overview

WARNING: This page is about a different variant/trim than selected.

NOTE:

If a replacement cylinder head is installed, several contact surfaces between the support elements, roller rockers and cam lubricating surfaces of the camshaft must be lubricated before installing the cylinder head cover.

The plastic protectors installed to protect the open valves must only be removed immediately before installing the cylinder head.

Replace the cylinder head bolts.

When replacing the cylinder head or cylinder head gasket, the coolant must be completely replaced.

Fig 1: Identifying Cylinder Head, Assembly Overview

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Bolt
- 10 Nm
Cylinder Head Cover
- With the pressure regulator valve for the crankshaft housing ventilation.
- Tightening sequence, refer to Fig 2.
- Removing and installing, refer to CYLINDER HEAD COVER .
Cylinder Head Cover Gasket
- Replace if damaged or leaking.
Crankcase Ventilation Hose
- To the intake manifold.
Oil Filler Cap
Gasket
- Replace if damaged or leaking.
Bolt
- 10 Nm
Wire Bracket
Seal
- Removing and installing, refer to CHAIN COMPARTMENT COVER SEAL .
Wire Bracket
Chain Compartment Cover
- Removing and installing, refer to CHAIN COMPARTMENT COVER .
Bolt
- 2 Nm
Camshaft Adjustment Valve 1 -N205-
- Check using the vehicle diagnosis, testing and information system VAS 5051.
O-ring
- Replace if damaged.
- For the camshaft position sensor, refer to "Camshaft Position Sensor -G40-" in item: 16 no replacement part.
Bolt
- 10 Nm
Camshaft Position Sensor -G40-
Transport Strap
Bolt
- 25 Nm
Cylinder Head Gasket
- Always replace.
- After replacing, replace the entire amount of coolant.
Cylinder Head
- Removing and installing, refer to CYLINDER HEAD .
- Checking the cylinder head for warpage, refer to Fig 3.
- It is not permitted to rework the sealing surface.
- With the coolant pipe connection pressed in.
  -- If necessary, remove coolant deposits using a copper wire brush or fine sandpaper (minimum 100 grit).
  
  -- If the pipe connection is worn, replace it using liquid locking fluid D 000 600 A2.
Cap
- On engines without a Secondary Air Injection (AIR) system only.
- Engines with a AIR system, refer to SECONDARY AIR INJECTION SYSTEM OVERVIEW .
Gasket
- Always replace.
Bolt
- 40 Nm + 180° (1/2) additional turn.
- Always replace.
- Follow the loosening/tightening sequence. Refer to CYLINDER HEAD .
Wire Bracket
- For the heated oxygen sensor -G39-.

Fig 2: Identifying Cylinder Head Cover Bolt Removal Sequence

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Fig 3: Identifying Check Of Cylinder Head For Distortion

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Check the cylinder head at multiple points for distortion, using a straight edge and feeler gauges.

Maximum permissible distortion: 0.05 mm

If this value is exceeded, the cylinder head must be replaced. It is not permissible to rework the sealing surface.