Cylinder Head Overview: Procedure

-- Tighten the crankcase ventilation bolts in sequence -1 through 10-.

Tightening specification: 11 Nm

Fig 1: Cylinder Head Loosening Sequence

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the bolts -arrows-.

-- Loosen the cylinder head bolts in sequence -1 through 5-.

Fig 2: Cylinder Head Tightening Sequence

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Special tools and workshop equipment required 

• Torque Wrench (5-50 Nm) V.A.G 1331

-- Tighten the new cylinder head bolts in 3 passes in sequence -1 through 5- as follows:

-- Tighten the bolts to 40 Nm.

-- Tighten the bolts an additional 90° (1/4) turn.

-- Tighten the bolts an additional 90° (1/4) turn.

Then:

-- Tighten the new bolts -arrows- to 8 Nm.

-- Tighten the bolts -arrows- an additional 90° (1/4) turn.

Fig 3: Checking Cylinder Head For Distortion

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Special tools and workshop equipment required 

• Straight Edge 500 mm VAS 6075
• Feeler Gauge

-- Check the cylinder head at several locations for distortion using the 500 mm straight edge VAS 6075 and a feeler gauge.

• Max. permissible distortion: 0.05 mm