Suspension Strut
Suspension Strut
Special tools, testers and auxiliary items required
• Digital Torque Wrench (V.A.G 1756)
• Torque wrench 40-200 Nm (V.A.G 1332)
• Ball Joint Puller (3287 A)
• Spreader (3424)
Removing
- Loosen the drive axle threaded connection on the wheel side.
=> [ Hex Bolt between Drive Axle and Wheel Hub, Loosening and Tightening ] Hex Bolt Between Drive Axle and Wheel Hub, Loosening and Tightening
=> [ Twelve-Point Bolt with Ribs, Loosening and Tightening, Drive Axle to Wheel Hub ] Twelve-Point Bolt With Ribs, Loosening and Tightening, Drive Axle to Wheel Hub
- Remove the wheel.
- Remove the brake caliper and tie it to the body wire.
- Remove brake line and electric wire bracket from wheel bearing housing.
- Remove the ABS speed sensor.
- Remove coupling rod upper hex nut - arrow - from suspension strut.
- Loosen nut of track rod ball joint, but do not unscrew yet.
- Press off track rod ball joint from wheel bearing housing using (3287A) and now unscrew 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 the 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.
- Remove the plenum chamber cover.
- 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.
- Turn the ratchet 90° and remove it from the (3424).
- Remove suspension strut - 1 - from wheel bearing housing - 2 -.
Installing
Install in reverse order of removal. Note the following:
Tightening specifications, refer to => [ Wheel Bearing Housing and Wheel Bearing Unit Overview ] Service and Repair
Tightening specifications, refer to => [ Subframe, Stabilizer Bar, Transverse Link, Ball Joint and Vehicle Level Sensor Overview ] Subframe, Stabilizer Bar, Transverse Link, Ball Joint and Vehicle Level Sensor 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 - => [ (Item 11) Locking Element ] Subframe, Stabilizer Bar, Transverse Link, Ball Joint and Vehicle Level Sensor Overview.
- Align nuts - arrows - according to markings made earlier and tighten.
- Tighten drive axle to wheel hub threaded connection.
=> [ Hex Bolt between Drive Axle and Wheel Hub, Loosening and Tightening ] Hex Bolt Between Drive Axle and Wheel Hub, Loosening and Tightening
=> [ Twelve-Point Bolt with Ribs, Loosening and Tightening, Drive Axle to Wheel Hub ] Twelve-Point Bolt With Ribs, Loosening and Tightening, Drive Axle to Wheel Hub
- Install plenum chamber cover.
- On vehicles with electronically-controlled damping (Audi magnetic ride), reprogram the control position vehicle diagnostic tester.
- On vehicles with automatic headlamp range control system, perform a basic setting on the headlamps.
- Axle alignment is required, see Table, refer to => [ An Axle Alignment is Necessary When: ] An Axle Alignment is Necessary When:.