Overview - Cylinder Head

NOTE:

Replace the cylinder head bolts.

Always replace self-locking nuts, bolts which have been tightened to tightening specifications as well as seals and O-rings.

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

The engine oil and coolant must be changed if the cylinder head or cylinder head seal are replaced.

Fig 1: Cylinder Head Exploded View

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Alignment Pin
Cylinder Head Gasket
- Replace after removing
- Installed position: the part number faces the cylinder head
Cylinder Head
- Checking for distortion. Refer to Fig 4
- Removing and installing. Refer to CYLINDER HEAD, REMOVING AND INSTALLING .
Bolt
- Replace after removing
- Follow the procedure when loosening. Refer to Fig 2
- Follow the procedure when tightening. Refer to Fig 3
Heat Shield
Bolt
- 9 Nm
Bolt
- 9 Nm
Heat Shield
Bolt
- 9 Nm
Bolt
- 9 Nm
Connection
- For coolant hose
O-ring
- Replace after removing
- Coat with coolant
Cylinder Head Bolts
- Replace after removing
- Follow the procedure when loosening. Refer to Fig 2
- Follow the procedure when tightening. Refer to Fig 3
O-ring
- Replace after removing
- Coat with coolant
Connection
- For coolant hose
Bolt
- 9 Nm
Mount
- For engine cover
Engine Lifting Eye
Bolt
- 8 Nm +90°
- Replace after removing
Partition Plate
Ball Pin
- For engine cover
Engine Lifting Eye
Bolt
- 8 Nm +90°
- Replace after removing
Alignment Pin

Loosening the Cylinder Head

Fig 2: Cylinder Head Loosening Sequence

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the bolts -arrows-.

-- Loosen the cylinder head bolts in the sequence -1 to 10-.

Cylinder Head Tightening Sequence

Fig 3: Cylinder Head Bolts Loosening Sequence

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Tighten the cylinder head bolts in the sequence -1 to 10- as follows.

-- Pre-tighten tighten to 40 Nm using a torque wrench.

-- Turn another 90° using a rigid wrench.

-- Pre-tighten the bolts -arrows- to 4 Nm.

-- Tighten the bolts -arrows- 90° further using a rigid wrench.

Cylinder Head, Checking for Distortion

Fig 4: Checking Cylinder Head At Several Locations For Distortion

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Check the cylinder head at several locations for distortion using a :VAS6075 and a feeler gauge.