Tightening Torques

WARNING: This page is about a different car, the 2010 Porsche Cayenne, 2009 Porsche Cayenne, and 2008 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.

SUSPENSION SUB-FRAME

Location	Description	Type	Basic value	Tolerance 1	Tolerance 2
No. 1: Threaded connection securing suspension sub-frame to body (front)	M14 x 1.5 x 150 thread (always replace screws and lock nuts after removal)	Tightening torque	120 Nm (89 ftlb.)	+180°
No. 2: Threaded connection securing suspension sub-frame to body (rear)	M14 x 1.5 x 120 thread (always replace screws and lock nuts after removal)	Tightening torque	120 Nm (89 ftlb.)	+180°

Fig 1: Exploded View Of Front-Axle Suspension Sub-Frame

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TRAILING ARM

Location	Description	Type	Basic value	Tolerance 1
No. 1: Threaded connection securing upper trailing arm to pivot bearing	M12 x 1.5 thread (always replace screws and lock nuts after removal)	Tightening torque	85 Nm (63 ftlb.)
No. 2: Threaded connection securing upper trailing arm to mounting saddle	M10 x 70 thread (always replace screws and lock nuts after removal)	Tightening torque	50 Nm (37 ftlb.)	+90°
No. 3: Threaded connection securing HBA system on vehicles with steel springs	M5 x 10 thread	Tightening torque	4.5 Nm (3.5 ftlb.)
No. 3: Threaded connection securing level regulator on vehicles with springs	M5 x 10 thread	Tightening torque	4.5 Nm (3.5 ftlb.)
No. 4: Threaded connection securing lower trailing arm to suspension sub-frame	M14 x 1.5 thread (always replace screws and lock nuts after removal)	Tightening torque	170 Nm (126 ftlb.)
No. 6: Threaded connection securing upper trailing arm to pivot bearing	M12 x 1.5 thread (always replace screws and lock nuts after removal)	Tightening torque	85 Nm (63 ftlb.)
No. 7: Threaded connection securing lower trailing arm to pivot bearing	M14 x 1.5 thread (always replace screws and lock nuts after removal)	Tightening torque	105 Nm (77.5 ftlb.)

Fig 2: Exploded View Of Front-Axle Trailing Arm

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Fig 3: Exploded View Of Levelling System

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STEERING GEAR

Location	Description	Type	Basic value	Tolerance 1
No. 1: Threaded connection securing steering gear to suspension sub-frame	M12 x 1.5 thread (always replace screws and lock nuts after removal)	Tightening torque	90 Nm (67 ftlb.)	+90°
No. 2: Threaded connection securing tie rod to pivot bearing	M14 x 1.5 thread (always replace screws and lock nuts after removal)	Tightening torque	90 Nm (67 ftlb.)
No. 3: Threaded connection securing tie rod to tie-rod end	M14 x 1.5 thread	Tightening torque	90 Nm (67 ftlb.)
No. 4: Threaded connection for heat shield	M6 x 16 thread	Tightening torque	10 Nm (7.5 ftlb.)
No. 5: Threaded connection securing tie rod to steering rack	M18 x 1.5 thread, axial joint	Tightening torque	100 Nm (74 ftlb.)	+10°
No. 6: Threaded connection securing pressure line to steering gear	a/f 17 (a/f = wrench size)	Tightening torque	30 Nm (22 ftlb.)	±3 Nm (±2 ftlb.)
No. 7: Threaded connection securing return line to steering gear	a/f 17 (a/f = wrench size)	Tightening torque	30 Nm (22 ftlb.)	±3 Nm (±2 ftlb.)
No. 8: Threaded connection securing expansion/return hose to steering gear	M6 x 12 thread	Tightening torque	9 Nm (6.5 ftlb.)
No. 9: Heat shield to steering gear	M6 x 16 thread	Tightening torque	10 Nm (7.5 ftlb.)

Fig 4: Exploded View Of Steering Gear

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STEERING WIRING

Location	Description	Type	Basic value	Tolerance 1
No. 1: Threaded connection securing steering wheel to steering column	M18 x 1.5 x 26 thread (only use screw once)	Tightening torque	50 Nm (37 ftlb.)	±6 Nm (±4.5 ftlb.)
No. 2: Threaded connection securing handle for attachment to steering column	M5 x 8 thread	Tightening torque	4.5 Nm (3.5 ftlb.)
No. 3: Threaded connection securing steering column to mounting bracket	M8 x 10 x 45 thread (fit bolt)	Tightening torque	20 Nm (15 ftlb.)
No. 4: Threaded connection securing steering column to mounting bracket	M8 x 28 thread	Tightening torque	20 Nm (15 ftlb.)
No. 5: Threaded connection securing mount for sealing ring/seal to firewall		Tightening torque	4 Nm (3 ftlb.)
No. 6: Threaded connection securing universal joint to steering gear	M10 x 35 thread (only use screw once)	Tightening torque	35 Nm (26 ftlb.)	+90°

Fig 5: Exploded View Of Steering Wiring

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WHEEL CARRIER (PIVOT BEARING)

Location	Description	Type	Basic value
No. 1: Threaded connection securing speed sensor to wheel carrier	M6 x 16 thread	Tightening torque	8 Nm (6 ftlb.)
No. 2: Threaded connection securing brake cover plate to wheel carrier	M8 x 12 thread	Tightening torque	20 Nm (15 ftlb.)
No. 3: Threaded connection securing brake calliper to wheel carrier	M16 x 1.5 x 48 thread (always replace screws and lock nuts after removal)	Tightening torque	270 Nm (200 ftlb.)
No. 4: Threaded connection securing brake hose bracket to wheel carrier	M6 x 12 thread	Tightening torque	9 Nm (6.5 ftlb.)
No. 5: Threaded connection securing cable holder to wheel carrier	M8 x 14 thread	Tightening torque	30 Nm (22 ftlb.)
No. 6: Threaded connection securing brake disc to wheel hub	M12 x 1.5 x 16 thread	Tightening torque	15 Nm (11 ftlb.)
No. 7: Pad retaining pin		Tightening torque	30 Nm (22 ftlb.)
¹⁾ Always replace screws and lock nuts after removal.

Fig 6: Exploded View Of Wheel Carrier (Pivot Bearing)

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SPRING STRUT

Location	Description	Type	Basic value	Tolerance 1
No. 1: Threaded connection securing spring strut to trailing arm	M14 x 1.5 x 102 thread	Tightening torque	150 Nm (111 ftlb.)	+90°
No. 2: Threaded connection securing spring-strut mount to piston rod	M12 x 1.5 thread	Tightening torque	60 Nm (44 ftlb.)
No. 3: Threaded connection securing spring strut to mounting saddle	M8 thread	Tightening torque	30 Nm (22 ftlb.)
No. 4: Threaded connection securing mounting saddle to body	M10 x 37 thread	Tightening torque	50 Nm (37 ftlb.)	+90°
No. 5: Threaded connection for residual pressure retaining valve		Tightening torque	3 Nm (2 ftlb.)

Fig 7: Exploded View Of Spring Strut (Steel Spring Strut)

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Fig 8: Exploded View Of Spring Strut (Air Suspension)

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ANTI-ROLL BAR/SUSPENSION/STABILISER (CONNECTING LINK)

Location	Description	Type	Basic value
No 1: Threaded connection securing anti-roll bar to suspension sub-frame	M10 x 62 thread (always replace screws and lock nuts after removal)	Tightening torque	60 Nm (44 ftlb.)
No. 2: Threaded connection securing anti-roll bar to suspension/stabiliser (connecting link)	M12 x 1.5 x 60 thread (always replace screws and lock nuts after removal)	Tightening torque	110 Nm (81.5 ftlb.)
No. 3: Threaded connection securing suspension/stabiliser (connecting link) to spring strut	M12 x 1.5 thread (always replace screws and lock nuts after removal)	Tightening torque	110 Nm (81.5 ftlb.)

Fig 9: Exploded View Of Anti-Roll Bar Mounting

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OFF-ROAD STABILISER (ORS)

Location	Description	Type	Basic value	Tolerance 1
No. 1: Threaded connection securing antiroll bar to suspension sub-frame	M10 thread	Tightening torque	60 Nm (44 ftlb.)
No. 2: Threaded connection securing antiroll bar to suspension/stabiliser (connecting link)	M12 x 1.5 thread (always replace screws and lock nuts after removal)	Tightening torque	110 Nm (81.5 ftlb.)
No. 3: Threaded connection securing suspension/stabiliser (connecting link) to wheel carrier/damper strut	M12 x 1.5 thread (always replace screws and lock nuts after removal)	Tightening torque	110 (81.5 ftlb.)
No. 4: Threaded connection securing union nuts to lines		Tightening torque	14 Nm (10.5 ftlb.)	±1 Nm (±0.5 ftlb.)
No. 4: Threaded connection securing connection points to lines		Tightening torque	14 Nm (10.5 ftlb.)	±1 Nm (±0.5 ftlb.)
No. 9: Threaded connection securing line connections to left actuator	in direction of travel	Tightening torque	40 Nm (30 ftlb.)	±2 Nm (±1.5 ftlb.)
No. 10: Threaded connection securing line connections to right actuator	in direction of travel	Tightening torque	20 Nm (15 ftlb.)	±2 Nm (±1.5 ftlb.)
No. 5: Threaded connection securing control mechanism to lines		Tightening torque	14 Nm (10.5 ftlb.)	±1 Nm (±0.5 ftlb.)
No. 6: Threaded connection securing control mechanism to pressure accumulator	M14 x 1.5 thread	Tightening torque	45 Nm (33 ftlb.)	±5 Nm (±3.5 ftlb.)
No. 7: Threaded connection securing pressure sensor to control mechanism	M10 x 1 thread	Tightening torque	20 Nm (15 ftlb.)	±2 Nm (±1.5 ftlb.)
No. 8: Threaded connection for control mechanism bracket		Tightening torque	10 Nm (7.5 ftlb.)
No. 11: Threaded connection securing sensor to actuator	Always replace screws and lock nuts after removal.	Tightening torque	3 Nm (2 ftlb.)
No. 12: Threaded connection for bleeder valve		Tightening torque	7 Nm (5 ftlb.)

DRIVE SHAFT

Location	Description	Type	Basic value	Tolerance 1	Tolerance 2
No. 1: Threaded connection securing drive shaft to front-axle transmission flange	M10 x 52 thread (always replace screws and lock nuts after removal)	Tightening torque	50 Nm (37 ftlb.)	+90°
No. 2: Threaded connection securing drive shaft to wheel hub	M24 x 1.5 thread (always replace screws and lock nuts after removal)	Tightening torque	460 Nm (340 ftlb.)

Fig 10: Exploded View Of Drive Shaft

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DIFFERENTIAL

Location	Description	Type	Basic value	Tolerance 1	Tolerance 2
No. 1: Threaded connection securing differential to suspension sub-frame	M12 x 1.5 x 90 thread (always replace screws and lock nuts after removal)	Tightening torque	90 Nm (67 ftlb.)	+90°
No. 2: Threaded connection securing crash panel to differential	M6 x 12 thread (always replace screws and lock nuts after removal)	Tightening torque	8 Nm (6 ftlb.)

Fig 11: Exploded View Of Front-Axle Differential

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WHEEL

Location	Description	Type	Basic value
Threaded connection securing wheel to wheel hub	M14 x 1.5 x 51 thread (do not grease screws)	Tightening torque	160 Nm (118 ftlb.)
Threaded connection securing wheel to spare wheel mount	M14 x 1.5 x 51 thread (do not grease screws)	Tightening torque	150 Nm (111 ftlb.)
¹⁾ Do not grease screws.