Technical Values

TIGHTENING TORQUE SPECIFICATION

Location	Des...	Type	Basic val...
Strut mount to body	Hexagon nut, M8	Tightening torque	33 N.m (24.3 ft lb.)
Spring strut to wheel bearing housing	M12 x 1.5	Tightening torque	85 N.m (62.7 ft lb.)
Spring strut clamp on lower wheel bearing housing	Screw, M8 x 35	Tightening torque	23 N.m (17 ft lb.)
Lower trailing arm to wheel bearing housing (GT4/Spyder)	Screw/lock nut, M12 x 1.5/always replace following removal	Tightening torque	120 N.m (89 ft lb.)
Tie rod to wheel carrier (ball joint)	Lock nut, M12 x 1.5	Tightening torque	85 N.m (63 ft lb.)
Bracket on wheel bearing housing	M6 screw	Tightening torque	10 N.m
Wheel hub to wheel bearing housing (tension bolt)	Lock nut M22 x 1.5/replace after every removal	Tightening torque	460 N.m
Brake calliper to wheel bearing housing, front and rear axle for re-using screws (PCCB and grey cast iron brakes)	M12 x 1.5/Different screw length on front and rear axle (see allocation in PET).	Tightening torque	85 N.m (62.7 ft lb.)
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)	M12 x 1.5/new screws/different screw length on front and rear axle (see allocation in PET).	Initial tightening	30 N.m (22.1 ft lb.)
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)	M12 x 1.5/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 disc to wheel hub (front and rear axle)	Item 3: M6 x 12 for GT4/Spyder - M6 x 8 for GT4 RS	Tightening torque	10 N.m (7.4 ft lb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. View Brake disc PCCB