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Home >> Porsche >> 2016 >> 911 Turbo, 2D Convertible >> Repair and Diagnosis >> Suspension >> Rear Suspension >> 4X - Chassis - General -- 911 CARRERA (991) >> WM 4X00IN Tightening Torques For Front Axle (Except CARRERA "Edition", CARRERA Cabriolet "Edition", CARRERA 4 "Edition", CARRERA 4 Cabriolet "Edition") >> Technical Values

Technical Values

Location Description Type Basic value Tolerance 1 Tolerance 2
Front-axle cross member -No. 2- with longitudinal struts -No. 1- to body Hexagon-head bolt, M12 x 1.5/always use new bolts following removal Initial tightening 90 Nm (67 ftlb.)    
Front-axle cross member -No. 2- with longitudinal struts -No. 1- to body Hexagon-head bolt, M12 x 1.5/always use new bolts following removal Final tightening +90°    
Longitudinal struts - No. 1- to body Lock nuts, M10 Tightening torque 65 Nm (48 ftlb.)    
Front-axle cross member -No. 2- with longitudinal arm (diagonal arm) to outer front body -No. 5- Hexagon-head bolt, M12 x 1.5 x 105/always use new bolts when re-tightening Initial tightening 90 Nm (67 ftlb.)    
Front-axle cross member -No. 2- with longitudinal arm (diagonal arm) to outer front body -No. 5- Hexagon-head bolt, M12 x 1.5 x 105/always use new bolts when re-tightening Final tightening +180°    
Front-axle cross member -No. 2- to inner front body -No. 5- Hexagon-head bolt, M12 x 1.5/always use new bolts when re-tightening Initial tightening 90 Nm (67 ftlb.)    
Front-axle cross member -No. 2- to inner front body -No. 5- Hexagon-head bolt, M12 x 1.5/always use new bolts when re-tightening Final tightening +90°    
Stud to front body for lock nut -No. 6- Stud, M12 x 1.5 Tightening torque 30 Nm (22 ftlb.)    
Front-axle cross member -No. 2- to centre front body -No. 6- Lock nut, M12 x 1.5/always use new nuts when re-tightening Initial tightening 90 Nm (67 ftlb.)    
Front-axle cross member -No. 2- to centre front body -No. 6- Lock nut, M12 x 1.5/always use new nuts when re-tightening Final tightening +90°    
Steering gear to front-axle cross member Hexagon-head bolt, M10 x 60/always use new bolts following removal Tightening torque 70 Nm (52 ftlb.)    
Holder for coolant pipes to front-axle cross member Hexagon-head bolt, M6 Tightening torque 10 Nm (7.5 ftlb.)    
Holder for height sensor and coolant pipe to front-axle cross member Hexagon-head bolt, M6 Tightening torque 10 Nm (7.5 ftlb.)    
Subframe No. 1 to front-axle cross member and body Hexagon nut/hexagon-head bolt, M10 Tightening torque 65 Nm (48 ftlb.)    
Coolant pipes to subframe Hexagon-head bolt, M6 Tightening torque 10 Nm (7.5 ftlb.)    
Wishbone to front-axle cross member M12 x 1.5 x 90 Tightening torque 120 Nm (89 ftlb.)    
Wishbone connection to longitudinal arm (diagonal arm) M14 x 1.5/hexagon-head bolt and hexagon nut Tightening torque 160 Nm (118 ftlb.)    
Longitudinal arm (diagonal arm) with front-axle cross member to body Hexagon-head bolt, M12 x 1.5 x 105/always use new bolts following removal Initial tightening 90 Nm (67 ftlb.)    
Longitudinal arm (diagonal arm) with front-axle cross member to body Hexagon-head bolt, M12 x 1.5 x 105/always use new bolts following removal Final tightening +180°    
Wishbone to wheel carrier (ball joint) Lock nut, M12 x 1.5 Tightening torque 85 Nm (63 ftlb.)    
Wishbone to wheel carrier (911 GT3) Hexagon-head bolt, M12 x 1.5 x 90 Tightening torque 120 Nm (89 ftlb.)    
Basic camber setting on 2-part trailing arm (911 GT3) M8 hexagon nut Tightening torque 27 Nm (20 ftlb.)    
Tie rod to wheel carrier (ball joint) Lock nut, M12 x 1.5 Tightening torque 85 Nm (63 ftlb.)    
Aluminum tie rod to axial joint Lock nut, M14 x 1.5 Tightening torque 50 Nm (37 ftlb.)    
Spring strut to wheel carrier M12 x 1.5/conventional and PDCC Tightening torque 85 Nm (63 ftlb.)    
Spring strut to lower wheel carrier (only for 911 GT3) M8 x 35 (only for 911 GT3) Tightening torque 23 Nm (17 ftlb.)    
Spring-strut supporting mount to body Hexagon nut, M8 Tightening torque 33 Nm (24 ftlb.)    
Spring-strut supporting mount to piston rod Lock nut, M14 x 1.5 Tightening torque 70 Nm (52 ftlb.)    
Height adjustment at spring strut/lock nut (911 GT3) Lock nut, M52 x 1.5 Tightening torque 50 Nm (37 ftlb.)    
Securing air connection to spring strut (911 GT3 with lift system) Cheese head bolt, M6 x 16 Tightening torque 10 Nm (7.5 ftlb.)    
Brake cover plate to wheel carrier M6 screw Tightening torque 10 Nm (7.5 ftlb.)    
Brake disc to wheel hub M6 screw Tightening torque 10 Nm (7.5 ftlb.)    
Wheel driver pin to wheel hub (central bolt on 911 Turbo/GTS) Cheese head bolts, M6 x 30/always use new bolts following removal Tightening torque 14 Nm (10.5 ftlb.)    
Wheel driver pin to wheel hub (central bolt on 911 GT3) Cheese head bolts, M8 x 32/always use new screws following removal Tightening torque 31 Nm (23 ftlb.)    
Brake calliper to wheel carrier M12 x 1.5/always use new screws following removal Tightening torque 85 Nm (63 ftlb.)    
Speed sensor to wheel carrier Cheese head bolt, M6 x 16 Tightening torque 10 Nm (7.5 ftlb.)    
Brake hose bracket to wheel carrier M6 screw Tightening torque 10 Nm (7.5 ftlb.)    
Retainer plate for wheel bearing to wheel carrier Hexagon-head bolt, M8 Tightening torque 37 Nm (27 ftlb.)    
Wheel bearing assembly with housing to wheel carrier (911 GT3) Cheese head bolt, M12 x 1.25 x 45/always use new bolts when retightening Initial tightening 80 Nm (59 ftlb.)    
Wheel bearing assembly with housing to wheel carrier (911 GT3) Cheese head bolt, M12 x 1.25 x 45/always use new bolts when retightening Final tightening +120°    
Wheel hub to wheel carrier (tension bolt for rear wheel drive) Lock nut, M22 x 1.5/always use new lock nuts following removal Tightening torque 460 Nm (340 ftlb.)    
Drive shaft to wheel hub Lock nut, M22 x 1.5/always use new lock nuts following removal Tightening torque 460 Nm (340 ftlb.)    
Anti-roll bar clamp to front-axle cross member Hexagon-head bolt, M10 x 60 + hexagon nut Tightening torque 65 Nm (48 ftlb.)    
Connecting link (conventional suspension/stabiliser) to spring strut (shock-absorber pipe clamp) M12 x 1.5 thread Tightening torque 85 Nm (63 ftlb.)    
Connecting link (conventional suspension/stabiliser) to anti-roll bar Collar nut, M10 x 1.5/always use new collar nut following removal Initial tightening 40 Nm (30 ftlb.)    
Connecting link (conventional suspension/stabiliser) to anti-roll bar Collar nut, M10 x 1.5/always use new collar nut following removal Final tightening +30°    
Anti-roll bar clamp to front-axle cross member (PDCC) Hexagon-head bolt, M10 x 60 + hexagon nut Tightening torque 65 Nm (48 ftlb.)    
Connecting link (PDCC actuator) to anti-roll bar Collar nut, M12 x 1.5/always use new collar nut following removal Initial tightening 50 Nm (37 ftlb.)    
Connecting link (PDCC actuator) to anti-roll bar Collar nut, M12 x 1.5/always use new collar nut following removal Final tightening +50°    
Connecting link (PDCC actuator) to spring strut (actuator holder) Collar nut, M12 x 1.5/always use new collar nut following removal Initial tightening 50 Nm (37 ftlb.)    
Connecting link (PDCC actuator) to spring strut (actuator holder) Collar nut, M12 x 1.5/always use new collar nut following removal Final tightening +50°    
Actuator holder (PDCC) to spring strut (shock absorber pipe) Hexagon-head bolt, M10 x 55 Tightening torque 46 Nm (34 ftlb.)    
Hydraulic lines to connecting link (PDCC actuator) Banjo bolt, M12 x 1.5 Tightening torque 26 Nm (19 ftlb.)    
Holder for fixing device for pressure lines to connecting link (PDCC actuator) Countersunk screw, M6 x 12 Tightening torque 10 Nm (7.5 ftlb.)    
Wheel to wheel hub on front and rear axle, M14 x 1.5 Do not grease thread, shank and under the head (between screw head bearing surface and spherical cap ring) of the wheel bolts. Do not grease bearing surface of the spherical cap facing the wheel. If heavily soiled, clean bolts first with a lint-free cloth. Replace damaged wheel bolts (rework not permitted). Tightening torque 160 Nm (118 ftlb.)    
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