Front control arm removing and installing
— Loosen front wheel lug nuts. Raise front of car and support it securely.
Make sure the car is stable and well supported at all times. Use a professional automotive lift or jack stands designed for the purpose. A floor jack is not adequate support.
— Remove front wheels.
— Remove cotter pin from ball joint lock plate. Remove slotted round nut from ball joint using Porsche special tool no. P 280 b.
Working underneath front of car, remove stone guard mounting bolts (arrow). Remove stone guard.
^ Unbolt and remove A/C condenser protection bar (arrow).
— Remove front control arm mounting bracket bolts (A).
Remove torsion bar adjustment screw (A) and retaining cap (B).
Count threads on adjustment screw while removing. Record the count. This will help in reassembly.
— Remove single bolt (C) at rear of crossmember subframe and pull control arm forward out of subframe.
— With a rubber hammer tap control arm off stabilizer bar.
— Installation is reverse of removal.
• During installation, use ContifiJ® or equivalent rubber lubricant when sliding stabilizer bar into control arm stabilizer bushings.
• Lubricate torsion bar adjustment screw with multipurpose MoS2 grease. Install according to number of threads counted during removal.
• Be sure to reset front ride height as described in 440 Ti res, Wheels, Alignment.
Tightening torques
• Ball joint slotted nut to ball joint..... 250 Nm (184 ft-lb)
Front bracket (M10).................47 Nm (35 ft-lb)
• Wheel to wheel hub...............130 Nm (96 ft-lb)
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