
Why do lower ball joints wear out fast?
The lower ball joint is usually larger to withstand the loads they are often subjected to. Because of the weight they have to bear, lower ball joints wear out fast, mostly if heavy luggage is carried in the vehicle or if driving conditions are rough. Vehicles with independent rear suspensions have ball joints in the back wheel as well.
How to tell if the ball joint is worn out?
Any clicking sound when you move it up indicates it's worn out and not working smoothly as it should. If you notice significant play, you need to change the ball joint. Alternatively, have someone look at the ball joint while you attempt to move it. It'll shudder slightly and look insecure if it needs to be replaced.
What is a ball joint on a car?
They are one of the main suspension pivot points that connect the control arms of the vehicle to the steering knuckles or spindles. The front ball joints also allow the front wheels and suspension to move back and forth, as well as up and down, as the steering wheel is turned during driving and as the car moves over uneven road surfaces.
What is a lower ball joint?
Lower ball joints are usually referred to as “load carrying” due to the amount of weight they have to hold up. An exception is the MacPherson strut suspension. This type of suspension uses a single control arm and ball joint at each wheel. In the MacPherson suspension, the lower ball joint can serve as a follower type.

Should I replace all ball joints at the same time?
If one ball joint is worn out, chances are the ball joint on the opposite side is also bad or nearing the end of its service life. Many technicians recommend replacing both joints at the same time (both lowers, both uppers or all four).
Do lower ball joints wear out faster than upper?
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.
How do I know if my ball joints are worn out?
4 Signs Your Vehicle Needs The Ball Joints ReplacedClunking, Rattling Noise.Loose, Wandering Steering Feel. ... Harsh Cabin Vibrations. ... Uneven Wear On Front Tires. A loose ball joint in the front suspension will introduce some "play" that allows one of the front wheels to come out of alignment with the other. ...
Do you have to replace upper and lower ball joints?
A: Plenty of mechanics will recommend that you replace both the upper and lower ball joints at the same time. They may also recommend checking related components at the same time, such as the stud hole in the steering knuckle.
How many miles do lower ball joints last?
While ball joints may last 70,000 miles or more, they don't last forever. Their actual lifespan will depend on your driving habits, road conditions and exposure to road splash and salt.
How often should ball joints be replaced?
between 70,000 to 150,000 milesGenerally speaking, you should expect to have to have your ball joints replaced between 70,000 to 150,000 miles of driving. Excessive play in the joint can cause additional wear, and if a ball joint fails, your car's suspension could collapse and you could lose control of the vehicle.
How long do ball joints take to replace?
One should also consider the labor costs, which may differ depending on the shop and the location. When it comes to ball joint replacement, it takes only about one hour to replace it, but depending on the car it can take a longer time.
How do I know if my ball joints or wheel bearings are bad?
1:338:13Worn Ball Joints or Wheel Bearings How to check for each - YouTubeYouTubeStart of suggested clipEnd of suggested clipOr it could be a ball joint. So let's take a look so quick and easy way to tell or to narrow it downMoreOr it could be a ball joint. So let's take a look so quick and easy way to tell or to narrow it down is if i move the tire. Left to right like this it would be steering.
How much should it cost to replace a ball joint?
Average Ball Joint Replacement Cost You might be surprised to learn that replacing a ball joint is not overly expensive. You can expect to pay around $300 in most cases, including both parts and labor. Most ball joints cost about $100 to $150, while the labor costs will run you $150 to $200.
Can you replace just the ball joint without replacing control arm?
There are two upper and two lower ball joints. Typically, the lower ball joints are the most likely to need replacement, since they carry the majority of the weight of the truck. Although the ball joints are locked in place to the lower control arm, they can be replaced.
Can I replace one ball joint at a time?
If a customer needs a new ball joint, recommend replacing all of the joints at the same time. If one joint has failed, chances are the other joints may be nearing the end of their service life, too.
What should the technician do after replacing after replacing ball joints?
After replacing the ball joints on one or both sides you will need to get an alignment done. If you only replace one side, get the alignment done, and need to replace the other side in a month, another alignment will need to be done.
What causes ball joints to wear out quickly?
Ball joints deteriorate if dirt, grit and impurities get inside or grease escapes, leading to a lack of lubrication. Added to this, rusting and general wear and tear also damage these suspension parts. The effects of this deterioration are excessive play and looseness (beyond the manufacturer's specifications).
Why are my ball joints wearing out so fast?
Unlike a rubber bushing, a spherical ball joint is designed to pivot through multiple planes. Of course, because the ball joint constantly pivots at different angles, it tends to wear out more rapidly than bushings. Ball joints can be broken down into the load-bearing and non-load (follower) bearing types.
How much does it cost to have lower ball joints replaced?
In general, ball joints are inexpensive with a range between $20 to $80 each. Labor will vary greatly by model. Some vehicles cost as low as $60 to $80. Yet others, especially four-wheel drive trucks, can range from $160 to $200 per ball joint.
How much play should a lower ball joint have?
The old rule of thumb that ball joints with more than . 050 inches of play are worn does NOT hold true for all vehicles. Some ball joints should have NO visible play while others can handle up to . 250 inch or more of play and still be considered okay.
Why does my ball joint play from the top?
Noise and play from the top – this indicates a problem with the upper ball joint.
How can you check for worn ball joints?
But, if you have noticed any of the symptoms above, or would just like to double check your ball joints, it’s best to first check your ball joints when driving before doing a visual inspection.
Why does my steering wheel pull left to right?
Steering wheel wandering to the left or the right – worn ball joints cause the steering to pull from left to right on its own. This can also cause uneven wear on your tyres. 2. Drive over speed bumps. After driving at the speed limit, take it somewhere with speed bumps and drive it at a low speed.
What to do if you notice a problem with one ball joint?
And, if you do notice a problem with one ball joint, it’s recommended to replace the damaged ball joint as well as its pair.
How to test ball joints on a car?
Jack up the car and place wheel chocks behind the wheels. Jack the front of the car up and secure it on jack stand s. Put wheel chocks or wooden blocks behind the back wheels to prevent the car from rolling. This will make it easier to test the ball joints. 4.
How does a loose ball joint affect a tyre?
This accelerates tyre wear by causing the rubber tread to touch the ground in an inconsistent way. If you notice feathering (i.e. uneven spots of wear on a tyre) or that the front of the wheels points out (i.e. toe-out), there’s a good chance that your ball joints will need further investigation. However, if the tyre wear is equal on both sides, then the issue is probably not your ball joints, but due to under-inflation of the tyres.
How to pry the lower control arm?
Use the pry bar and attempt to pry the lower control arm and the steering knuckle (the two components connected by the ball joint).
What Is a Ball Joint?
In cars, ball joints consist of a spherical bearing that moves inside a small socket. They are used to connect control arms to steering knuckles. When they start to fail, they can allow movement in directions that are not conducive to safe steering and handling.
How to tell if a ball joint is bad?
If you’re able to observe movement or sounds during this process, it could indicate a bad ball joint.
What Causes Them To Wear Out?
The underside of your vehicle is exposed to everything. Dirt, grime, oil, salt, and anything else on the road can make its way into the ball joint and lead to a loss of lubrication. Ball joints can also rust and deteriorate, which will cause unintended movement and looseness.
How to tell if a wheel has a ball joint?
Typically, you'll see an upper, lower, and lateral joint on both sides up front, but every car is different. Use your owner's manual to locate the joints on your car.
How much does it cost to replace a ball joint?
A. Replacing a ball joint won’t break the bank. The joints themselves cost less than $100 each, while the labor to install them can come in as low as $100. Large trucks and high-end vehicles may carry a higher replacement cost, but you’re still not looking at a major repair cost.
What to wear when you are a mechanic?
Wear protective safety glasses and mechanic gloves during this process, as there could be debris or other materials that can damage your skin or get into your eyes.
Can you check your car's ball joints?
Checking your car’s ball joints will require both a road test and a visual inspection, but the process is neither difficult nor expensive.
How to tell if a ball joint is worn out?
Experienced mechanics will also just check play by the feel, listening closely for any clicking or easy motion that suggests the ball joint is worn out. Alternatively, you could have a helper look closely at the joint itself to see if it appears loose as you move it.
What does a ball joint do?
The ball joints allow the suspension of your vehicle to move up and down, while at the same time allow the wheels to turn left and right. Over time, a car’s ball joints may wear down. If a ball joint starts to loosen, you’ll hear clunking sounds from the front as the joint rattles in the socket.
How to tell if a car is worn?
1. Look for a wear indicator. While the vehicle is still on the ground, look underneath the car, on the bottom of the steering knuckle attached to the wheel. The most common indicator is a grease fitting that doubles as a wear indicator.
How to tell if a MacPherson strut is worn?
Look for the grease fitting. If your front suspension uses MacPherson struts, look for a wear indicator, which is usually a grease fitting. Grasp the fi tting and try to wiggle it. If the fitting moves around inside the housing, you’ll need to replace the ball joint.
What happens if you don't check the ball joint?
If you don't do this, tension will still be on the ball joint when you jack up the car, making it difficult to move and look for play on the joint. Make sure there is no compression in the suspension when you check the ball joint.
How to check if a ball joint is loaded?
To check a loaded lower ball joint, the manufacturer will recommend that you place a jack under the lower control arm of the front wheel, as close to the ball joint as you can, then raise the vehicle until the wheel leaves the ground.
Why does my ball joint make a clicking sound?
Any clicking sound when you move it up indicates it's worn out and not working smoothly as it should. If you notice significant play, you need to change the ball joint.
What Are Ball Joints?
Ball joints in your car are ball-and-socket type joints, similar to human hips and shoulders. This enables movement in all directions and a tight connection between components. In a vehicle, ball joints connect steering knuckles to the control arms, creating the union between the wheel assembly and the suspension system. Depending on the manufacturer and configuration, vehicles may have one or two (upper and lower) ball joints and can either be independent parts or integrated into suspension elements.
How to tell if ball joints are bad?
Some have actual wear indicators built in, but others will require you to figure out that there’s an issue on your own. As with other suspension issues, you may notice uneven tire wear and pulling to one side as you drive. You may also notice loose and shaky steering, other suspension component wear or a popping noise when you take slow or sharp turns.
Why are ball joints important?
It’s important to spot bad ball joint symptoms early on before they pose dangerous driving conditions for yourself and others. Early detection can help drivers address this problem and get back on the road in good time.
Can you replace a ball joint?
Concretely diagnosing a bad ball joint isn’t too difficult, but it must be done safely and with properly placed supports. Replacing ball joints is straightforward, but it requires special tools and is often difficult because the components can be notoriously stubborn and rusted. Since a fully disconnected ball joint could mean losing your wheel, it’s worth enlisting the help of a professional to get the issue diagnosed and the parts repaired before the situation becomes dangerous.
Do ball joints need lubrication?
All ball joints require constant lubrication and are kept in place by a rubber boot that also helps to keep dust and impurities out. Depending on their design, ball joints may be sealed, which means they cannot be serviced.
Do ball joints wear out?
As part of the suspension system, ball joints are built to take a hit, but if your typical commute or extra-curricular activities have you driving on uneven terrain, they’re going to wear out faster. Big hits, such as bad encounters with potholes, can do a number on them as well. Over time, the joints can wear and become loose or — in very bad scenarios — pop out or break off altogether.
What is ball joint?
Ball joints allow your wheels to turn and change directions. There are two kinds of ball joints, which vary based on the location of the knuckle and control arm. The ball joints are tension loaded if the steering knuckle rests on the control arm.
How do ball joints work?
Ball joints work like ball-and-socket joints. Functioning just like the joints of your shoulders, they allow your front wheels to move up and down and side to side.
Why do ball joints fail?
Lack of proper maintenance and lubrication are typically the most common reasons why the ball joints in your vehicle tend to fail over time. A worn ball joint will significantly affect your steering and suspension. If the ball joint fails completely, your steering and suspension may partially collapse, causing your wheel ...
What happens if a ball joint fails?
If the ball joint fails completely, your steering and suspension may partially collapse, causing your wheel and tire to move outward from the vehicle. This is dangerous because it can make you lose control of your vehicle. In some cases, your wheel and tire assembly may come off completely.
How much does it cost to replace a ball joint?
An aftermarket ball joint replacement usually costs around $50 to $500 for the part itself. Some may be priced as high as $1000. Take note that this ballpark figure is for the replacement ball joints only. There are other additional expenses that you may have to pay, such as labor and installation costs.
How to tell if your ball joint is loose?
Here’s a list of the most common bad ball joint symptoms: Loud Popping or Squeaking. Hearing loud sounds from the corner of your vehicle when driving over uneven road surfaces may be a sign that you have a loose suspension.
Can you drive with bad ball joints?
No. It is never advisable to drive with bad ball joints. When your ball joints break or fall off, the steering and suspension may fall apart. This may cause your wheel and tire to move away from the vehicle, leading to a loss of control.
How to tell if ball joints are bad?
One of the most common symptoms of a problem with suspension ball joints is clunking noises coming from the vehicle’s front suspension. As ball joints wear out they become loose in the socket and rattle and knock as the suspension travels up and down over the road.
Why are ball joints important?
Because ball joints are an important component of any vehicle’s suspension. When they begin to have problems or fail, the overall handling and ride characteristics of the vehicle are likely compromised. If you suspect that your vehicle’s ball joints have become severely worn or need to be replaced, have the vehicle’s suspension inspected by ...
Why do my ball joints clunk?
2. Excessive Vibration From the Front of the Vehicle.
What is a problem with ball joints?
Excessive Vibration From the Front of the Vehicle. Another symptom of problematic ball joints is excessive vibration coming from the vehicle’s suspension. Worn ball joints will be loose in their sockets and vibrate disproportionately as the vehicle is in motion.
What happens when a ball joint breaks?
Should a ball joint break, the wheel becomes totally free to move in any direction, which can damage the car’s fender, tire, and several suspension components , if not more. Usually, when front ball joints start to fail, the vehicle will display a few symptoms that alert the driver a problem has occurred. 1.
What is a spherical bearing?
They are a spherical bearing in a socket — functioning similarly to the ball and socket design of a human hip — and serve as one of the main suspension pivot points connecting the control arms of the vehicle to the steering knuckles.
