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Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis (Single Page) >> Drivelines & Axles >> Axle Shafts >> Front Suspension >> 40 Front Suspension >> Lower Control Arm And Ball Joint >> Control Arm, Removing And Installing >> Removing

Control Arm, Removing And Installing: Removing

-- Before starting the procedure, determine the curb weight position. Refer to WHEEL BEARING IN CURB WEIGHT POSITION, LIFTING VEHICLES WITH COIL SPRING .

-- Remove the front wheel. Refer to WHEELS AND TIRES .

-- Remove the noise insulation. Refer to NOISE INSULATION, REMOVING AND INSTALLING .

-- To protect the threads, remove the nut -arrow- from the tie rod end joint pin until it is flush with the joint pin threads.

GWWA48-10821Courtesy of AUDI OF AMERICA, LLC
WARNING:

There is a risk of injury from falling components.

  • When pressing off, the tie rod end loosens abruptly from the wheel bearing housing. Use, for example, the :VAS6931  to secure.
CAUTION:

There is a risk of damaging the ball joint puller.

  • Make sure that both puller lever arms are parallel to each other when using maximum force.

-- Remove the tie rod end with the :VAS251805  from the wheel bearing housing.

-- Then remove the nut. Use a 6 mm inner hex socket to counterhold at the joint pin if necessary.

-- Tie up the tie rod.

NOTE:

To prevent the joints on the upper control arm from being damaged, support the wheel bearing housing against too strong rebound.

-- Turn the wheel hub, until a wheel bolt hole is at the top.

-- Install the :T10149  with a wheel bolt -2- on the wheel hub.

GWWA40-10121Courtesy of AUDI OF AMERICA, LLC
NOTE:

Ignore item -1-.

-- Support the wheel bearing housing over the :T10149  using the :VAS6931  .

WARNING:

Risk of accident!

  • Do not lift or lower the vehicle when the :VAS6931  is under the vehicle.
  • Do not leave the :VAS6931  under the vehicle any longer than necessary.

-- Equipped on some models: Remove the nut -2- and free up the coupling rod for the level control system sensor.

GWWA40-10484Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the threaded connections -1 and 3- for the control arm.

-- Pivot the control arm toward the front.

NOTE:

To remove the bolt -1-, push the steering all the way to the left or right.

-- Remove the bolt -2-.

GWWA40-10498Courtesy of AUDI OF AMERICA, LLC

-- Insert the :3424  into the slit on the wheel bearing housing -3- and turn 90°.

-- Remove the control arm -1- with the ball joint.