Technical Values

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

*Location	*Description	*Type	*Basic value	*Tolerance 1
Brake calliper to wheel bearing housing	Item 2: Cheese head screw M14 x 1.5/always replace screws after dismantling!	Initial tightening	30 Nm (22.1 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Brake calliper on front axle
Brake calliper to wheel bearing housing	Item 2: Cheese head screw, M14 x 1.5/Always replace screws after dismantling!	Final tightening torque angle	+ 90°
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Brake calliper on front axle
Tightening torque brake calliper on front axle	Item 3: M10 x 1 thread	Tightening torque	14 Nm (10.3 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Brake calliper on front axle
Bleeder screw on front calliper front (PCCB)	Item 3: M10 x 1 thread	Tightening torque	20 Nm (14.8 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Brake calliper on front axle
Brake calliper screws on pad retaining pin	The brake calliper screws may only be replaced in the event of a complaint (corrosion)/always replace screws after dismantling!	Initial tightening	10 Nm (7.4 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Brake calliper screws on pad retaining pin
Brake calliper screws on pad retaining pin	The brake calliper screws may only be replaced in the event of a complaint (corrosion)/always replace screws after dismantling!	Final tightening	+ 30°	+ 4°
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Brake calliper screws on pad retaining pin
Brake calliper to wheel bearing housing	Item 2: M12/Always replace screws following removal!	Initial tightening	20 Nm (15 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Rear-axle brake calliper
Brake calliper to wheel bearing housing	Item 2: M12/Always replace screws following removal!	Final tightening torque angle	+ 70°
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Rear-axle brake calliper
Bleeder screw on rear brake calliper (grey cast iron)	Item 3: M10 x 1 thread	Tightening torque	14 Nm (10.5 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Rear-axle brake calliper
Bleeder screw on rear brake calliper (PCCB)	Item 3: M10 x 1 thread	Tightening torque	14 Nm (10.5 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Rear-axle brake calliper
Brake line to brake line (connection points)	Union nut, M10 x 1	Tightening torque	14 Nm (10.5 ftlb.)
Brake line to brake calliper	Union nut, M10 x 1	Tightening torque	14 Nm (10.5 ftlb.)
Brake line to brake master cylinder	Union nut	Tightening torque	18 Nm (13 ftlb.)
Brake line (from brake master cylinder) to hydraulic unit	Union nut	Tightening torque	18 Nm (13 ftlb.)
Brake line (from brake calliper) to hydraulic unit	Union nut	Tightening torque	14 Nm (10.5 ftlb.)
Return line (to the reservoir) on hydraulic unit (PHEV only)	Union nut	Tightening torque	18 Nm (13 ftlb.)
Brake line holder to front left spring strut dome	Hexagon-head bolt, M6 x 12	Tightening torque	8 Nm (6 ftlb.)
Brake line holder (in front wheel housing) to body	Hexagon-head bolt	Tightening torque	8 Nm (6 ftlb.)
Brake line holder to rear-axle brake calliper	Hexagon-head bolt, M6 x 16	Tightening torque	8 Nm (6 ftlb.)
Reservoir to brake master cylinder		Tightening torque	8 Nm (6 ftlb.)
Brake booster to pedals	Hexagon nut, M8	Tightening torque	23 Nm (17 ftlb.)	+ 2 Nm (1.5 ftlb.)
Brake master cylinder on brake booster	Item 2: Hexagon nut, M8/always replace nuts following removal	Tightening torque	23 Nm (16.75 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Brake master cylinder on brake booster
Brake master cylinder to electric brake booster (PHEV only)	Internal hexagon round-head bolt, M8	Tightening torque	22 Nm (16 ftlb.)
Vacuum pump		Tightening torque	10 Nm (7.5 ftlb.)
Vacuum pump (electric)		Tightening torque	10 Nm (7.5 ftlb.)
Hydraulic unit to holder	Cheese head bolt, M10 x 1 x 17	Tightening torque	27 Nm (20 ftlb.)
Vacuum pump holder		Item 4: Internal hexagon round-head bolt	8 Nm (5.8 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Loosening holder
Vacuum pump holder	Item 4: Internal hexagon round-head bolt, M6 x 12	Tightening torque	8 Nm (5.8 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Loosening holder
Vacuum line on crankcase	Item 3: Internal hexagon round-head bolt, M8 x 20	Tightening torque	9 Nm (6.5 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Removing vacuum line
Connect vacuum line to the vacuum line	Item 2: Internal hexagon round-head bolt M6	Tightening torque	9 Nm (6.5 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Removing vacuum line