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Can you replace just the ball joint without replacing the control arm?

Yes, it is possible to replace just the ball joint without having to replace the entire control arm. The ball joint is a separate component that connects the control arm to the steering knuckle, allowing the wheel to pivot and turn. In many cases, the ball joint can be serviced or replaced independently if it becomes worn or damaged.


Understanding Ball Joints and Control Arms


The control arm is a crucial suspension component that connects the wheel hub to the vehicle's frame or body. It allows the wheel to move up and down and pivot as the vehicle turns. The ball joint is a spherical bearing that sits within the control arm, providing a smooth, pivoting connection between the control arm and the steering knuckle.


Over time, the ball joint can become worn due to normal use and wear, causing issues like clunking noises, uneven tire wear, or difficulty steering. In these cases, the ball joint may need to be replaced to restore proper suspension and steering function.


Replacing the Ball Joint Alone



  • Assess the Condition: Carefully inspect the ball joint to determine if it is the only component that needs replacement. Look for signs of wear, such as excessive play, cracking, or grease leaks.

  • Disconnect the Ball Joint: To replace the ball joint, you'll need to disconnect it from the control arm and steering knuckle. This typically involves removing the cotter pin, castle nut, and pressing the ball joint out of its seat.

  • Install the New Ball Joint: Insert the new ball joint into the control arm and secure it with the castle nut and cotter pin. Ensure proper torque and alignment according to the manufacturer's specifications.

  • Test the Repair: After reinstalling the ball joint, test the suspension and steering to ensure proper function. Check for any remaining play or issues.


In many cases, replacing just the ball joint is a more cost-effective and straightforward repair compared to replacing the entire control arm. However, if the control arm itself is damaged or worn, it may be necessary to replace the entire assembly.

Do you need an alignment after replacing one ball joint?


There's no denying that it's very important to replace your ball joints when needed. However, it's worth noting that doing that doesn't necessarily mean you need an alignment. The only time you need one after replacing the ball joints is if the previous alignment was performed when ball joints were not in good shape.



Can you replace just one ball joint?


This means that if you have a problem with your ball joint, the entire assembly will usually need to be replaced. Depending on the type of suspension, most cars have both upper and lower ball joints. The lower ball joints are usually larger and wear out faster due to the weight of the front of car that rests on them.



Is it better to replace the ball joint or control arm?


This is your answer. The ball joint has worn out. Its much better to replace the whole arm because it comes with brand new bushings which will last about as long as the ball joint. The ball loints are often pressed into the lower control arm, which means that getting them out is a job for a press.



What happens if I don't replace control arms?


If you drive with a bad control arm, you'll encounter issues like strange noises and sudden changes in your vehicle's steering and handling. Bad control arm symptoms include irregular or uneven tire wear, banging or clunking noises, and problems like unresponsive steering and shimmy in the steering wheel.



Can you replace ball joints without replacing control arms?


Just to clarify, it is indeed possible to replace just the ball joints and not the whole control arm. You do need some specialized equipment though. Most folks just replace the entire control arm because new ones come with the ball joints already installed and you also get new bushings.



Do you need an alignment after replacing ball joints and control arms?


There's no denying that it's very important to replace your ball joints when needed. However, it's worth noting that doing that doesn't necessarily mean you need an alignment. The only time you need one after replacing the ball joints is if the previous alignment was performed when ball joints were not in good shape.



How do I know if my control arm or ball joint is bad?


If there's any play/looseness, the ball joint is bad. So, yes, standing and facing the wheel. The easiest way to check the bushings is to just look at them. If they're cracking, the end of the control arm is loose within the rubber fitting, or what have you, they're bad.



Is it worth replacing control arms?


A broken control arm can cause erratic driving and car accidents; replacing control arms is always best. Signs of an inadequate control arm include clunking noise, uneven tread wear on tires, vibrations when driving, and visual damage.



Can you replace one control arm and not the other?


Ball joints typically cannot be replaced separately, so the entire control arm needs to be replaced.



Can you drive with a bad ball joint and control arm?


However, driving on bad ball joints can compromise steering control. If you notice that your vehicle is drifting or pulling to one side while driving in a straight line, it could be due to worn ball joints. This can be a serious safety concern, particularly at high speeds or in unpredictable driving conditions.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.