What Happens When Your Control Arm Goes Bad?

by | Last updated on January 24, 2024

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Controls arms help

reduce vibrations

to create a smoother (and safer) driving experience. When they go bad, they won’t be able to reduce vibrations as effectively as they should. As a result, you may feel the bottom of your vehicle’s chassis aggressively shaking or your steering wheel vibrating while driving.

How much does it cost to replace a control arm?

If just a single control arm needs replacing, it will typically cost

between $50 and $100

. If the damage is to the whole system, you would need to purchase a control arm kit for around $100 to $250 . Ask a certified auto mechanic for an accurate assessment of the problem and the full cost including labor.

What is a control arm on a truck?

Control arms, sometimes called “A arms,” are the core of your front suspension system. In simple terms, control arms are

the link that connects your front wheels to your car

. One end connects to the wheel assembly and the other end connects to the framework of your car.

Can you drive with a bad control arm?


It is not safe to drive with a bad control arm

because when the control arm or the bushings are worn out or broken off, steering will become unpredictable and dangerous for you and the other drivers. Your vehicle can pull to one side randomly even though you are keeping the steering wheel straight.”

How do you know if your control arm is bad?

One of the first symptoms commonly associated with bad control arms is

steering wheel vibrations

. If the bushings or ball joints in the control arm become excessively worn it can cause wheel shimmy, which may cause vibrations that may be felt in the wheel.

Can I replace a control arm myself?

Can I replace the control arm myself? Replacement of a control arm is

generally an intermediate DIY repair

. On some vehicles, the control arms come with the bushings already installed. On other vehicles, the bushings need to be pressed into their housings on the control arm before installation into the vehicle.

How long does it take to replace a control arm?

On the difficulty scale from 1 to 10, replacing a control arm is 7 or 8. In the shop, it takes

about 1-1.5 hours

to replace one control arm.

Can control arms cause death wobble?

The fact is

loose control arm or track bar bushings can contribute to death

wobble. Bent, or loose bolts, wallowed out mounting holes, and bent control arms can also contribute to your Jeep catching the shakes. To prevent this, keep an eye on your control arms and track bar.

What does a bad lower control arm sound like?

There are many signs of a failing ball joint or control arm bushings including:

Clicking, popping, or snapping sound

when the wheel is turned. Eventually, the clicking and popping can turn into a squeaking sound at the end of a stop, when the gas pedal is used, and/or when turning the steering wheel.

What happens if a control arm breaks while driving?

What if the control arm breaks? If

the ball joints are worn out then you might be facing difficulty in aligning the vehicle on road

. With major damage, there might be a possibility that you will lose control over the wheels, and in the extreme case, if the control arm breaks, the wheel could fall off the position.

What happens if you don’t replace control arms?

Control arms are suspension links that connect the vehicle frame to the assembly (the steering knuckle) that attaches the front wheel. … The control arm, the bushing, and the ball joint can all break down and cause problems for the vehicle.

Any part that is worn out or damaged is not safe

.

Do I need a wheel alignment after replacing lower control arm?

We

would recommend that the alignment be checked

. The actual replacement of the control arm would not change the alignment angles, but what caused the need to change the control arm(impact with curb or pothole?) may have caused the alignment angles to change.

What does a bad upper control arm sound like?


Clunking noises

are another common problem associated with bad upper control arms. If the bushings or ball joints suffer enough wear and tear, they might become loose enough within the casing to knock into the walls on bumpy terrain.

How hard is it to replace control arm bushings?

Replacing your own control arm bushings is

not a hard job

to do if you’re prepared to get it done. … You have to be able to get under your car and get the control arms off and removing the bushings themselves is not difficult if you have a ball joint press to do so.

Is it easier to replace ball joint or control arm?


Changing the control arms is much simpler than the ball joints

. The joints aren’t too bad a job, except on old cars they tend to get stuck or present other problems. The new arms will literally bolt in and just need an alignment.

How much does it cost to replace ball joints and control arms?

Some ball joints are connected to the control arm in one assembly, which must be replaced as a complete unit; part kits for this average about $500-$650. CostHelper readers report paying

$112-$400

or an average of $249 for do-it-yourself materials for a project that took three to six hours of work.

David Evans
Author
David Evans
David is a seasoned automotive enthusiast. He is a graduate of Mechanical Engineering and has a passion for all things related to cars and vehicles. With his extensive knowledge of cars and other vehicles, David is an authority in the industry.