Technical Values

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

Location	Description	Type	Basic value	Tolerance 1
Spreader device (actuator) on wheel bearing housing	Arrows: M8x38	initial tightening	10 Nm (7.4 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Spreader device mounting (example)	Replace screw
Spreader device (actuator) on wheel bearing housing	Arrows: M8x38 Replace screw	Final tightening	+ 60°
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Spreader device mounting (example)
Spreader device on wheel bearing housing - GT4 RS	Item 2: Screw, M8x38 - replace screws	Pre-tightening	10 Nm (7.4 ftlb.)
Spreader device on wheel bearing housing - GT4 RS	Item 2: Screw, M8x38 - replace screws	Final tightening torque angle	60°
Brake disc to wheel hub (front and rear axle)	M6	Tightening torque	5 Nm (3.7 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Brake disc screws
Brake cover plate on front and rear axle	Item 1: M6 x 16	Tightening torque	10 Nm (7.4 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Mounting for brake cover plate (example)
Brake disc to wheel hub (front and rear axle)	Item 3: M6x 12 for GT4/Spyder - M6x8 for GT4 RS	Tightening torque	10 Nm (7.4 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. View Brake disc PCCB
Wheel hub wheel driver pin (central bolt), front and rear axle GT4 RS	Item 2: Cheese head bolt, M8x32	Tightening torque	31 Nm (22.9 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. View Brake disc PCCB
Rear brake cover plate -GT4/GT4 RS/Spyder 4.0	Item 2: Screw, M6x 16	Tightening torque	10 Nm (7.4 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Cover plate rear
Front brake cover plate - GT4/GT4 RS/Spyder 4.0	Screw, M6x 16	Tightening torque	10 Nm (7.4 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Front brake cover plate
Mounting saddle to body	Hexagon-head bolt, M8x25	Tightening torque	23 Nm (17 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Mounting saddle
Mounting saddle to body	Hexagon nut, M8	Tightening torque	23 Nm (17 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Disconnecting pedals
Accelerator pedal box to body	Screw, M6x20	Tightening torque	10 Nm (7.5 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Mounting for accelerator pedal box
Brake pressure line to hydraulic unit	Cap screw, M14 x 1 and M12 x 1	Tightening torque	16 Nm (12 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Brake pressure lines to hydraulic unit
Brake lines to brake hose (front and rear axle)	M10 x 1	Tightening torque	16 Nm (12 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Brake line to brake hose (front axle shown)
Transfer points - brake line to brake line	Cap screw, M10 x 1	Tightening torque	14 Nm (10.5 ftlb.)
Brake pipes to brake calliper (front and rear axle)	M10 x 1	Tightening torque	16 Nm (11.8 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Brake pipe to brake calliper (in picture front axle)
Ventilation valve on brake calliper	M10 x 1	Tightening torque	14 Nm (10.3 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Ventilation valve on brake calliper
Connecting line on brake calliper	M10 x 1	Tightening torque	17 Nm (12.5 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Connecting line on brake calliper
Brake calliper to wheel bearing housing, front and rear axle for re-using screws (PCCB and grey cast iron brakes)	M12x1.5/Different screw length on front and rear axle (see allocation in PET).	Tightening torque	85 Nm (62.7 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Brake calliper to wheel bearing housing (in picture: front axle)
Brake calliper to wheel bearing housing, front and rear axle for new screws (PCCB and grey cast iron brakes)	M12x1.5/new screws/different screw length on front and rear axle (see allocation in PET).	Initial tightening	30 Nm (22.1 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Brake calliper to wheel bearing housing (in picture: front axle)
Brake calliper to wheel bearing housing, front and rear axle for new screws (PCCB and grey cast iron brakes)	M12x1.5/new screws/different screw length on front and rear axle (see allocation in PET).	Final tightening	+ 75°
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Brake calliper to wheel bearing housing	(in picture: front axle)
Brake calliper screws on pad retaining pin	Item 1: The brake calliper screws may only be replaced in the event of a complaint (corrosion)/replace screws after removal	Initial tightening	10 Nm (7.4 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Brake calliper screw on pad retaining pin
Brake calliper screws on pad retaining pin	Item 1: The brake calliper screws may only be replaced in the event of a complaint (corrosion)/replace screws after every removal!	Final tightening	+ 30°	+ 4°
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Brake calliper screws on pad retaining pin
Brake booster to pedal module	Torx screw, M8 x 165 x 77	Tightening torque	23 Nm (17 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Brake booster vacuum line
Brake master cylinder to brake booster	Hexagon nut, M14	Tightening torque	49 Nm (36 ftlb.)	+/- 4 Nm (3 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Brake master cylinder on brake booster
Brake fluid reservoir to brake master cylinder	Torx screw, E7	Tightening torque	8 Nm (6 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Brake fluid reservoir on brake master cylinder
Brake line to brake master cylinder	Cap screw, M12 x 1	Tightening torque	16 Nm (12 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Brake lines on brake master cylinder
Vacuum pump to engine	Torx screw, M6	Tightening torque	10 Nm (7.5 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Mounting for vacuum pump
Vacuum line to engine	Fastening screws	Tightening torque	10 Nm (7.5 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Mounting for vacuum pump
Heat shield (vacuum pump) to engine	Fastening screws, M6 x 14	Tightening torque	10 Nm (7.5 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Mounting for heat shield
Hydraulic unit to holder, upper part	Screw, M10 x 16	Tightening torque	27 Nm (20 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Hydraulic unit on holder
Lower part of holder for hydraulic unit to body	Screw, M8x30	Tightening torque	23 Nm (17 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Hydraulic unit on holder
Lower part of holder for hydraulic unit to body	Screw, M6x25	Tightening torque	10 Nm (7.5 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Hydraulic unit on holder
Rotation-rate sensor to body	Fastening nut, M6	Tightening torque	10 Nm (7.5 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Removing rotation-rate sensor
Lower section to upper section of air guide	Item 2: Screw M5 x 16	Tightening torque	3.2 Nm (2.4 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Screws on rear air guide
Front tapping screws - brake-disc air guide in wheel housing	Item 3: Tapping screws	Tightening torque	3.2 Nm (2.4 ftlb.)
Plastic nut - brake-disc air guide in wheel housing to threaded bolt	Item 5: Plastic nut	Tightening torque	2.5 Nm (1.8 ftlb.)
Tapping screw - holder for brake-disc air guide in wheel housing	Item 6: Tapping screw	Tightening torque	3.2 Nm (2.4 ftlb.)