Strut
Special tools, testers and auxiliary items required
 Angle Wrench (V.A.G 1756)
 Torque Wrench (V.A.G 1332)
 Ball Joint Puller (3287 A)
 Spreader (3424)
Removing
Loosen the drive axle threaded connection on the wheel side.
Refer to => [ Hex Bolt between Drive Axle and Wheel Hub, Loosening and Tightening ] See: Axle Nut Service and Repair Front Suspension Hex Bolt between Drive Axle and Wheel Hub, Loosening and Tightening
Refer to => [ 12-Point Bolt between Drive Axle and Wheel Hub, Loosening and Tightening ] See: Axle Nut Service and Repair Front Suspension 12-Point Bolt between Drive Axle and Wheel Hub, Loosening and Tightening
Remove wheel.
Remove the brake caliper and secure it to the body using wire.
Remove brake line and electrical line bracket from wheel bearing housing.
Remove the ABS speed sensor.
Remove coupling rod upper hex nut - arrow - from suspension strut.
Loosen tie rod end nut, but do not remove yet.
Press off tie rod ball joint from wheel bearing housing using (3287A) and now remove nut.
On vehicles with a level control system sensor, remove the nut from the linkage on the transverse link.
On vehicles with electronically-controlled damping (Audi magnetic ride), disconnect connector - 2 -.
 Remove the connector - 2 - with both hands. Use one hand to open the retainer and use the other hand to press it off. Do not use tools.
Mark location of nuts - arrows - with felt-tip pen.
Remove nuts - arrows -.
Guide transverse link out of ball joint and remove wheel bearing housing from drive axle splines.
 The drive axle must not hang down, otherwise the inner joint will be damaged by overflexing.
 Secure drive axle to body using wire.
Plenum chamber cover, removing.
Remove upper shock absorber mount hex bolts - arrows -.
Remove suspension strut.
Disconnect suspension strut to wheel bearing housing connection.
Insert (3424) into slot of wheel bearing housing.
Using a ratchet and the (3424), open the wheel bearing housing slot.
Remove strut - 1 - from wheel bearing housing - 2 -.
Installing
Installation is in reverse order of removal, with special attention to the following:
Tightening specifications, refer to => [ Wheel Bearing Housing and Wheel Bearing Unit, Assembly Overview ] See: Rear Knuckle Service and Repair Front Suspension Wheel Bearing Housing and Wheel Bearing Unit, Assembly Overview
Tightening specifications, refer to => [ Subframe, Stabilizer Bar, Transverse Link, Ball Joint, Level Control System Sensor Assembly Overview ] See: Front Subframe Service and Repair Subframe, Stabilizer Bar, Transverse Link, Ball Joint, Level Control System Sensor Assembly Overview
Insert suspension strut, one of the two markings - arrows - must point in direction of travel when doing this.
Replace locking element after each removal item - 11 - => [ Locking Element ] See: Front Subframe Service and Repair Subframe, Stabilizer Bar, Transverse Link, Ball Joint, Level Control System Sensor Assembly Overview.
Align nuts - arrows - according to markings made earlier and tighten.
Tighten drive axle to wheel hub threaded connection.
Refer to => [ Hex Bolt between Drive Axle and Wheel Hub, Loosening and Tightening ] See: Axle Nut Service and Repair Front Suspension Hex Bolt between Drive Axle and Wheel Hub, Loosening and Tightening
Refer to => [ 12-Point Bolt between Drive Axle and Wheel Hub, Loosening and Tightening ] See: Axle Nut Service and Repair Front Suspension 12-Point Bolt between Drive Axle and Wheel Hub, Loosening and Tightening
Plenum chamber cover, installing.
On vehicles with electronically-controlled damping (Audi magnetic ride), reprogram control position.
On vehicles with automatic headlamp range control, perform headlamp basic setting.
Vehicle alignment required, refer to => [ When Vehicle Alignment is Necessary ] See: Alignment Testing and Inspection Initial Inspection and Diagnostic Overview.
Lots to this job that prevents doing it at home.
Roy
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Wednesday, April 25th, 2012 AT 12:23 AM
