Operation CHARM: Car repair manuals for everyone.

Upper Front Control Arm






Upper Front Control Arm

Special tools, testers and auxiliary items required

Torque Wrench 50-200 Nm (V.A.G 1332)

Torque Wrench (V.A.G 1410)

Removing

If front upper control arm is replaced, axle alignment should be performed after installation. Refer to => [ Wheel Alignment ] Wheel Alignment.

- With vehicles with air suspension, place vehicle on hoist. Refer to => [ Positioning Vehicle on Hoist and Wheels ] Positioning Vehicle on Hoist and Wheels.

- Remove the wheel.

- Remove rear level control system sensor. Refer to => [ Left Rear Level Control System Sensor (G76) and Right Rear Level Control System Sensor (G77) ] Left Rear Level Control System Sensor (G76) and Right Rear Level Control System Sensor (G77).

- If front upper control arm is to be replaced, remove bracket - item 23 - => [ (Item 23) Bracket ] Rear Axle Overview.

- Remove bolt - 4 - and press rear upper control arm back slightly.






- Remove bolt - 2 -.

- Remove nut - 1 - and remove bolt.

- Remove front upper control arm - 3 -.

Installing

Install in reverse order of removal. Note the following:

Bonded rubber bushings can only be turned to a limited extent. Only tighten suspension bolts when vehicle is in curb weight or control position.

Wheel bearing, lifting to curb weight position on vehicles with coil springs. Refer to => [ Wheel Bearing in Curb Weight, Lifting Vehicles with Coil Spring ] Wheel Bearing In Curb Weight, Lifting Vehicles With Coil Spring.

For vehicles with air spring suspension, lift wheel suspension in control position. Refer to => [ Wheel Bearing in Control Position, Lifting Vehicles with Air Suspension ] Wheel Bearing In Control Position, Lifting Vehicles With Air Suspension.

Tightening specifications, refer to => [ Lower Control Arm, Level Control System Sensor, Upper Front and Upper Rear Control Arms and Tie Rod Overview ] Rear Axle Overview.

- On vehicles with air suspension, position vehicle on wheels. Refer to => [ Positioning Vehicle on Hoist and Wheels ] Positioning Vehicle on Hoist and Wheels.

- Tighten the wheels.

- Adapt control position again on vehicles with air spring suspension. Refer to => [ Control Position, Programming ] Programming and Relearning.

- On vehicles with automatic headlamp range control system, perform a basic setting on the headlamps.