Upper Control Arm

Upper Control Arm

Special tools, testers and auxiliary items required

• Engine-/Gearbox Jack (V.A.G 1383 A)

• Wheel Hub Support (T10149)

• Torque Wrench 40-200 Nm (V.A.G 1332)

• Ring Spanner Insert, 16 mm (V.A.G 1331/12)

• Torque Wrench 5-50 Nm (V.A.G 1331)

Removing

- Place the vehicle on a hoist. Refer to => [ Raising and Lowering ] Description and Operation.

- Remove the tower brace. Refer to => [ Tower Brace ] Front Suspension.

- Remove the bolts - arrows - and move the windshield washer fluid reservoir - 1 - slightly to the side.






- Remove the wheel.

- Secure the brake disc with a wheel bolt.

- Remove the bolt - 1 -.






- Remove the bolt - 3 -.

- Remove the bolt - 1 -.






- Remove the bolt - 3 -.

- Remove the brake line and wires from the bracket on the wheel bearing housing.






- Turn the wheel hub until one of the holes for the wheel bolts is on top.

- Install (T10149) - 1 - with wheel bolt on wheel hub.






- Support wheel bearing housing over (T10149) with (V.A.G 1383 A).

• Do not lift or lower the vehicle if the (V.A.G 1383 A) is below it.

• Do not leave the (V.A.G 1383 A) under the vehicle longer than is necessary.

- Remove the bolt - 1 -.






• The slits in the wheel bearing housing must not be widened using a chisel or similar tool!

- Remove booth joint pins in the upper control arm - 2 - from the wheel bearing housing.

• Do not lower wheel bearing housing more than necessary.

- Remove the nuts - arrows - and swivel the air spring damper/steel spring damper downward and out of the suspension strut tower.






• The air spring damper/air spring damper remains inside the vehicle.

• Be careful not to damage any components.

- Remove the bolt - 4 and 3 - and remove the front upper control arm and the rear upper control arm.






Installing

Install in reverse order of removal. Note the following:

Tightening specifications, refer to => [ Air Spring Damper/Steel Spring Damper, Shock Absorber Fork, Upper Control Arm and Tower Brace Overview ] Air Spring Damper/Steel Spring Damper, Shock Absorber Fork, Upper Control Arm and Tower Brace Overview.

• Bonded rubber bushings can only be turned to a limited extent. Only tighten suspension bolts when vehicle is in curb weight or control position. Refer to => [ Wheel Bearing, with Air Suspension, Lifting to Curb Weight Position ] Wheel Bearing, With Air Suspension, Lifting to Curb Weight Position or => [ Wheel Bearing, with Coil Spring, Lifting to Curb Weight Position ] Wheel Bearing, With Coil Spring, Lifting to Curb Weight Position.

- Install the upper control arm - 2 - and tighten the bolt - 4 and 3 - hand-tight.






- Insert both of upper control arm joint pins - 2 - in the wheel bearing housing and insert the bolt - 1 -.

- Install the air spring damper/steel spring damper into the suspension strut tower and tighten the nuts - arrows - diagonally.






- Install the threaded connector - 3 - but do not tighten it.






- Tighten the threaded connection - 1 -.






• Push the upper control arms down as far as possible while tightening the bolts!

- Lift the wheel bearing in the control position. Refer to => [ Wheel Bearing, with Air Suspension, Lifting to Curb Weight Position ] Wheel Bearing, With Air Suspension, Lifting to Curb Weight Position or => [ Wheel Bearing, with Coil Spring, Lifting to Curb Weight Position ] Wheel Bearing, With Coil Spring, Lifting to Curb Weight Position.

• Push the upper control arm toward the inside of the vehicle when tighten the bolt - 3 or 4 -.

- Tighten the bolt - 4 or 3 -.

- Tighten the rest of the threaded connections.

- Mount wheel and tighten.

- Place vehicle on wheels. Refer to => [ Raising and Lowering ] Description and Operation.

- Axle alignment is required, see table. Refer to => [ Wheel Alignment ] Wheel Alignment.