The upper control arm connects to the uppermost area of the front wheel and the lower control arm connects to the lower most area of the front wheel, with both arms then attaching to the frame of the car. In simple terms, control arms are the link that connects your front wheels to your car.
Symptoms of a Bad or Failing Control Arm AssemblySteering wheel vibration. One of the first symptoms commonly associated with bad control arms is steering wheel vibrations. ...Steering wandering. Another symptom commonly associated with bad or failing control arm assembly is steering wandering. ...Clunking noises.The control arm should be repaired or replaced as soon as there's any sign of damage, and control arm replacements costs are typically $117 – $306 for the majority of vehicles. The part itself will normally cost between $42 – $103, with labor time usually an hour or two.
The control arm bushings on your Audi receive the most pressure when you are braking or during heavy acceleration. These forces can be extreme and cause the rubber bushings to fatigue and crack. On most Audi models, a unique eight (8) control arm system is used with two upper arms and two lower arms per side.
If you are asking how long you can drive a car with a bad control arm bushing, you should know that it depends on how far the damage has gone. If you are talking on average, you should be able to go 96 kilometers to 128 kilometers. However, it is not safe to drive around with a damaged control arm bushing.
(source: Google)
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