Engine Component Tightening Torques - Porsche 911 GT3 R Technical Manual

3.9.

Engine component tightening torques

Component
Crankshaft and crankcase
Connecting rod
V-belt pulley to crankshaft
Plug screw for pressure release valve
Oil drain bolt, crankcase
Water drain bolt, cylinders
Flywheel
Cylinder head
Cylinder head bolt
Camshaft housing
Anti-knock sensor
Spark plugs
Spark plugs should only be tightened a maximum of five times
Camshaft wheel on camshaft
Timing chain case to crankcase
Valve cover to camshaft housing
Timing chain-case cover
Ancillary components
Drain bolt oil tank
Bolt Tightening torque
dimensions
[Nm]
M10 x 1.25
M14 x 1.5
M18 x 1.5
M20 x 1.5
M10 x 1
M10
M10
M8
M12 x 1.25
M12 x 1.5
M8
M6
M6
M20 x 1,5
see 3.8.1
170
50
70
10
90
see 3.8.2
23
20
30 + 90°
23
9.7
13
60
34