Audi Q3 Owners & Service Manuals

Audi Q3: Trailing Arm with Mounting Bracket, Removing and Installing

Audi Q3 (8U) 2011-2018 Service Manual / Chassis / Suspension, Wheels, Steering / Rear Suspension / Trailing Arm with Mounting Bracket, Removing and Installing

Trailing Arm with Mounting Bracket, Removing and Installing, FWD Vehicles

Special tools and workshop equipment required

  • Torque Wrench 1332 40-200Nm -VAG1332-
  • Engine/Gearbox Jack Adapter - Wheel Hub Support -T10149-
  • Engine and Gearbox Jack -VAS6931-

Removing

- Remove the coil spring. Refer to → Chapter "Spring, Removing and Installing".

- Disconnect the connector -1- on the electromechanical parking brake motor from the brake caliper.

- Remove the bracket -2- by pressing out the rivet inner pins -arrows-.

Audi Q3. A42-10573

- Remove the coupling rod -1- from trailing arm.

- Remove bolts -arrows-.

- Remove the underbody trim panel. Refer to → Body Exterior; Rep. Gr.66; Underbody Panel; Underbody Trim Panels, Removing and Installing.

Audi Q3. A42-10585

- Remove the wire -1- on the bracket -A arrows-.

- Mark the installation position of the bracket -2- on the body.

- Remove the bolts -B arrows-.

- Remove the trailing arm with mounting bracket.

If the trailing arm is being replaced, the mounting bracket must be removed from trailing arm.

Audi Q3. A42-10576

Installation position of mounting bracket to trailing arm must then be adjusted.

- Clamp the trailing arm in the vise so that the mounting bracket -1- touches the vise -arrow-.

- Remove the bolt -2-.

Audi Q3. N42-10172

Determining installation position of mounting bracket relative to trailing arm

Dimension -a- is 57.5 +-1 mm.

1 - Bracket

2 - Trailing Arm

- When dimension -a- has been adjusted, tighten bolt.

Audi Q3. N42-10166

Installing

Installation is reverse of removal, noting the following:

Threaded connector: trailing arm/wheel bearing housing

Threaded connection of trailing link/wheel bearing housing must only be tightened when all other components (spring and strut always) of the respective wheel suspension have been already assembled. To tighten, suspension must be unloaded. Only now do the trailing link and wheel bearing housing move into the position required -arrows-.

Audi Q3. N42-10019

Always perform the following work in the sequence given!

- Install the trailing arm and mounting bracket with the bolts -arrows- on the wheel bearing housing, but do not yet tighten.

- Insert the coupling rod -1- into the trailing arm, but do not tighten the nut yet.

- Raise the suspension using Engine and Gearbox Jack -VAS6931- and Engine/Gearbox Jack Adapter - Wheel Hub Support -T10149- until the mounting bracket contacts the body.

Audi Q3. A42-10585

- Tighten the bolts -B arrows- on old impression.

- Secure the wire -1- on the bracket -A arrow-.

- Lower the suspension again using Engine and Gearbox Jack -VAS6931- and remove Engine/Gearbox Jack Adapter - Wheel Hub Support -T10149- from wheel hub.

- Install the coil spring. Refer to → Chapter "Spring, Removing and Installing".

Audi Q3. A42-10576

- Tighten the bolts -arrows- for trailing arm to tightening specification, while observing the required position of components. Refer to → Fig. "Threaded connector: trailing arm/wheel bearing housing".

- Tighten coupling rod nut -1- on trailing arm.

Audi Q3. A42-10585

- Install the bracket -2- by pressing in the rivet inner pins -arrows-.

- Connect the connector -1- on the electromechanical parking brake motor to the brake caliper.

- An axle alignment may be required. Refer to → Chapter "Evaluating Need for Axle Alignment".

Audi Q3. A42-10573

Trailing Arm with Mounting Bracket, Removing and Installing, AWD Vehicles

Special tools and workshop equipment required

  • Press Plate -VW401-
  • Press Plate -VW402-
  • Front Subframe Mount Kit -3372-
  • Hydraulic Press - Bushing Assembly Tool Kit -T10230-

Removing

- Remove the coil spring. Refer to → Chapter "Spring, Removing and Installing".

- Disconnect the connector -1- on the electromechanical parking brake motor from the brake caliper.

- Remove the bracket -2- by pressing out the rivet inner pins -arrows-.

Audi Q3. A42-10573

- Remove the coupling rod -1- from trailing arm.

- Remove bolts -arrows-.

- Remove the underbody trim panel. Refer to → Body Exterior; Rep. Gr.66; Underbody Panel; Underbody Trim Panels, Removing and Installing.

Audi Q3. A42-10585

- Remove the wire -1- on the bracket -A arrows-.

- Mark the installation position of the bracket -2- on the body.

- Remove the bolts -B arrows-.

- Remove the trailing arm with mounting bracket.

If the trailing arm is being replaced, the mounting bracket must be removed from trailing arm.

Audi Q3. A42-10576

Installation position of mounting bracket to trailing arm must then be adjusted.

- Clamp the trailing arm in the vise so that the mounting bracket -1- touches the vise -arrow-.

- Remove the bolt -2-.

Audi Q3. N42-10172

Determining installation position of mounting bracket relative to trailing arm

Dimension -a- is 57.5 +-1 mm.

1 - Bracket

2 - Trailing Arm

- When dimension -a- has been adjusted, tighten bolt.

Audi Q3. N42-10166

Installing

Installation is reverse of removal, noting the following:

Threaded connector: trailing arm/wheel bearing housing

Threaded connection of trailing link/wheel bearing housing must only be tightened when all other components (spring and strut always) of the respective wheel suspension have been already assembled. To tighten, suspension must be unloaded. Only now do the trailing link and wheel bearing housing move into the position required -arrows-.

Audi Q3. N42-10019

Always perform the following work in the sequence given!

- Install the trailing arm and mounting bracket with the bolts -arrows- on the wheel bearing housing, but do not yet tighten.

- Insert the coupling rod -1- into the trailing arm, but do not tighten the nut yet.

- Raise the suspension using Engine and Gearbox Jack -VAS6931- and Engine/Gearbox Jack Adapter - Wheel Hub Support -T10149- until the mounting bracket contacts the body.

Audi Q3. A42-10585

- Tighten the bolts -B arrows- on old impression.

- Lower the suspension again using Engine and Gearbox Jack -VAS6931- and remove Engine/Gearbox Jack Adapter - Wheel Hub Support -T10149- from wheel hub.

- Install the coil spring. Refer to → Chapter "Spring, Removing and Installing".

Audi Q3. A42-10576

- Tighten the bolts -arrows- for trailing arm to tightening specification, while observing the required position of components. Refer to → Fig. "Threaded connector: trailing arm/wheel bearing housing".

- Tighten coupling rod nut -1- on trailing arm.

- Install the coil spring. Refer to → Chapter "Spring, Removing and Installing".

- An axle alignment may be required. Refer to → Chapter "Evaluating Need for Axle Alignment".

Audi Q3. A42-10585

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