Component Overview

WARNING: This page is about a different car, the 2010 Porsche Cayenne, 2009 Porsche Cayenne, and 2008 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Overview Of Cylinder Head (1 To 4)

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Cylinder head 1 to 4
Cylinder head gasket 1 to 4
Screw, M8 → Tightening torque: 23 Nm (17 ft lbs.)
Lid
Stopper
Stopper
Restrictor for valve lift control → Tightening torque: 1.5 Nm (1.0 ft lbs.)
Cylinder-head screws => For tightening specifications, see Figure
Spark plug; for refitting → Tightening torque: 25 Nm (19 ft lbs.)+3 Nm (+2 ft lbs.); if fitting new spark plugs → Tightening torque: 30 Nm (22 ft lbs.)+3 Nm (+2 ft lbs.)

Fig 2: Overview Of Cylinder Head (5 To 8)
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Cylinder head 5 to 8
Screw plug → Tightening torque: 5 Nm (3.5 ft lbs.)
Spark plug; for refitting → Tightening torque: 25 Nm (19 ft lbs.)+3 Nm (+2 ft lbs.); if fitting new spark plugs → Tightening torque: 30 Nm (22 ft lbs.)+3 Nm (+2 ft lbs.)
Cylinder head gasket 5 to 8
Stopper
Restrictor for valve lift control → Tightening torque: 1.5 Nm (1.0 ft lbs.)
Stopper
Lid
Cylinder-head screws => For tightening specifications, see Figure

Fig 3: Identifying Cylinder Head Screws Tightening Sequence

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

1 bis 10 - 1st initial tightening → Tightening torque: 30 Nm (22 ft lbs.); 2nd initial tightening → Tightening torque: 50 Nm (37 ft lbs.); loosen by 2 turns → Torque angle: 720°; 1st turn → Tightening torque: 30 Nm (22 ft lbs.); 2nd turn → Tightening torque: 30 Nm (22 ft lbs.); 3rd turn and final tightening (torque angle) → Torque angle: 110°