Tightening Specifications For Cylinder Head

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

Fig 1: Cylinder Head Screws Tightening Sequence - V8 Turbo

G15211941

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Tightening sequence for cylinder head - V8 Turbo

1-11	Tightening sequence for cylinder head

Tightening specifications for cylinder head

Screw	Steps	Tightening torque
1-10	Step 1:	> Tightening torque 15 Nm (11 ftlb.)
1-10	Step 2:	> Tightening torque 30 Nm (22 ftlb.)
1-10	Step 3:	> Torque angle + 300°
1-10	Step 4: Loosen by 2 turns	> Torque angle - 720°
1-10	Step 5:	> Tightening torque 30 Nm (22 ftlb.)
1-10	Step 6:	> Torque angle 120°
11	Step 7:	> Tightening torque 10 Nm (7.5 ftlb.)
11	Step 8:	> Torque angle 25°