Porsche 911 GT3 Cup 2018 Techical Manual page 203

Chassis
911 GT3 Cup (991 II)
202
The hydraulic power steering is derived from the 911 GT3 Cup (997 II) while the power
steering pump has its origins in the 911 GT3 R (997 II). The power steering pump unit
is located in the front-end and consists of an electrically driven pressure pump and an
integrated hydraulic oil tank installed on top of it.
Hydraulic oil filling quantity:
System pressure:
3.5.3
List of tightening torques for steering system
Item
3
4
6
7
8
9
10
MY 2018
0.65 liters (0.69 qts)
96 bar (1,392 psi)
Dimensions Tightening torque in Nm/Comments
M8 x 30 20 Nm (14.75 ft-lb) + 90°
M8 23 Nm (17 ft-lb)
M8 23 Nm (17 ft-lb)
M10 x 65 70 Nm (51.6 ft-lb)
M14 x 1.5 50 Nm (37 ft-lb) (hold tie rod)
M6 x 20 13 Nm (9.6 ft-lb)
12 x 1,5 120 Nm (88.5 ft-lb)
Version: 4/20/2018