Ball joints and control arms
Clunks over bumps, loose steering and tires wearing on one edge often trace back to worn ball joints. We inspect the whole front end, replace joints with heavy-duty parts sized for your tires, and upgrade control arms when a lift or level has pushed the factory joints past their range.
The pivot every front wheel turns on
A ball joint is a ball-and-socket pivot that connects the steering knuckle to the rest of the suspension. It lets the wheel move up and down and steer left and right at the same time, while carrying a large share of the vehicle’s weight.
Where the joints live depends on the front end. On a solid front axle, like a Jeep Wrangler or Gladiator, upper and lower joints press into the axle’s knuckle mounts at each end. On independent front suspension, like most half-ton pickups, the Bronco and the 4Runner, the upper joint sits in the upper control arm and the lower joint in the lower arm.
How worn ball joints show up
Joints wear gradually, so the symptoms creep in and are easy to get used to.
Clunking or knocking
A dull knock from a front corner over speed bumps, driveway lips or potholes, sometimes a creak when turning at low speed.
Vague, wandering steering
Play in the joint lets the knuckle shift, so the vehicle drifts and needs more correction. On a solid axle it adds to the looseness that can lead to death wobble.
Uneven tire wear
Wear on the inner or outer edge of a front tire, or cupping across the tread, because camber and toe can’t stay where the alignment set them.
Torn boots or dry joints
A split rubber boot lets water, grit and road grime in and grease out. Once that happens, wear speeds up quickly.
How we check them
We lift the vehicle so the suspension is unloaded the right way for its design, then check each joint for vertical and side-to-side play with a pry bar while watching for movement at the joint itself. It matters to separate ball joint play from a loose wheel bearing, which feels similar when you rock a tire by hand. We also look at the boots, the control arm bushings, the tie rod ends and, on 4x4s with independent fronts, the CV axle boots, since they share the same corner and often wear together. You get a clear report of what is worn, what is close and what is fine.
Joint and arm choices
The right replacement depends on your front end, tire size and appetite for maintenance. MetalCloak Baller Joints are our go-to for Jeeps, with American Iron Offroad’s Ball Joint Delete for trail-first builds. Zone Offroad and Fox make upper arms for popular half-tons, and we source other parts from 130+ brands.
Factory-style joints
A direct replacement for a stock-height vehicle on stock-size tires. Usually sealed, so there is nothing to grease, but also nothing to extend their life.
Heavy-duty greasable joints
Larger joints with a grease fitting, sold for heavier tires and trail use. Greasing helps, but on Jeeps with bigger tires we routinely see these wear out after a few seasons, which is why we steer Jeep owners to Baller Joints instead.
Solid-axle joint sets
On Jeep axles we replace upper and lower joints together on each side, since they wear as a set.
Aftermarket upper control arms
For lifted or leveled independent-front trucks, a new upper arm brings its own joint, corrects the joint angle and restores caster and camber adjustment.
Ball joint deletes
American Iron Offroad’s Ball Joint Delete replaces the upper and lower joints with spherical bearings (uniballs). They hold up very well on the trail, and a worn bearing is swapped with a snap ring instead of a press. The trade-off is ride: they transmit more to the steering and are not known for being the most comfortable on the road, so they suit trail-focused Jeeps more than daily drivers.
Adjustable, rebuildable joints
Joints with adjustable preload and replaceable wear parts, like the MetalCloak Baller Joints we install on Jeeps. Play gets taken up with an adjustment, and a worn joint can be rebuilt instead of pressed out and replaced.
MetalCloak Baller Joints
On solid-axle Jeeps, our go-to replacement is the MetalCloak Baller Joint set. MetalCloak makes a full set for the JL Wrangler and JT Gladiator, the JK Wrangler, and the Dana 30 and Dana 44 axles under the TJ and YJ Wrangler, XJ Cherokee, MJ Comanche and ZJ Grand Cherokee. MetalCloak is one of our direct dealer accounts, and these joints are built for exactly the kind of abuse big tires and trail miles put on a solid front axle.
Why we recommend them. We see a lot of Jeep front ends, and nearly every other ball joint we replace, including the ones sold as heavy-duty by other companies, has failed after only a few seasons on a Jeep running bigger tires. Baller Joints are the replacement we trust to still be tight years later, and when they do wear, they are adjusted or rebuilt rather than pressed out and thrown away.
Both the upper and lower joints are load-bearing, with induction-hardened chromoly balls, hardened steel races and sealed O-ring and wiper seals to keep water and grit out. Each one has a recessed grease fitting and adjustable preload, so play can be taken up as they wear instead of replacing the joint. When they do need attention, they can be rebuilt right on the Jeep. They are also pressed in from the bottom of the C, so an axle failure can’t push them out.
Tell us which Jeep you have and we’ll order the matching MetalCloak set.
Why raised trucks wear joints faster
On an independent front end, raising the truck lowers the lower control arm relative to the knuckle and swings the upper joint to a steeper angle. A leveling kit can push the factory upper joint past its intended range, which cuts into droop travel and can put the ball stud in contact with its socket. That is why many kits for the Ram 1500, F-150, Silverado and Sierra, Tacoma and Bronco pair with aftermarket upper control arms once you go past a mild level.
On solid-axle Jeeps like the JK, JL and Gladiator, the lift itself doesn’t change joint angle much. The load does. Heavier tires, a steel bumper and a winch all add leverage on the knuckle joints. On older platforms such as the 3rd gen 4Runner, control arms and ball joints are part of what limits how much front lift is practical at all. If you are planning a lift kit, replacing tired joints in the same visit saves labor later.
What affects a ball joint job
Press-in joints take longer than bolt-in ones, and a seized joint in an older, high-mileage front end can add time. Replacing a whole upper control arm is often quicker than pressing a new joint into the old arm, and it may cost less overall once labor is counted. Doing both sides, or upper and lower sets, in one visit spreads the setup time across more parts. Control arm jobs finish with an alignment. A plain joint replacement may not need one, and we will tell you either way rather than adding it by default. Once parts arrive, most jobs get into the shop within about a week.
Colorado driving is hard on these parts. Washboard gravel roads keep the joints cycling mile after mile, and winter road grime works into any torn boot. We’re in Windsor off I-25 at Crossroads Blvd, open Monday through Friday, 9 to 4, with early drop-off and late pickup available.
See it on a real build
Photos and parts lists from rigs we’ve done in the shop. More on our builds page.
- Chris’s Ford Bronco: ICON upper control arms with Eibach coilovers
Ball joint FAQ
How do I know if my ball joints are worn?
Common signs are a clunk over bumps, steering that wanders or feels loose, and front tires wearing on one edge. The only sure answer is an inspection with the vehicle lifted and the joint checked for play.
Should I replace ball joints in pairs?
Usually. Both sides see the same miles and loads, so when one is worn the other is often close. On solid axles, uppers and lowers are normally done together as well.
What ball joints do you recommend for a Jeep?
The MetalCloak Baller Joint set, made for the JL, Gladiator, JK, TJ, YJ, XJ, MJ and ZJ. The uppers and lowers are load-bearing, sealed, greasable and preload-adjustable, and they can be rebuilt on the Jeep instead of replaced.
Are greasable ball joints better?
Greasing helps any joint that allows it, but it doesn’t make a weak joint strong. On Jeeps with bigger tires we see most greasable “heavy-duty” joints wear out within a few seasons. Baller Joints are greasable too, and their adjustable, rebuildable design is what makes them last.
Should I get a ball joint delete instead?
If the Jeep lives on the trail, American Iron Offroad’s Ball Joint Delete is a durable option that holds up well off-road. If it’s also your daily driver, Baller Joints are the better pick, since a delete is not known for being the most comfortable on the road.
Do I need upper control arms with a leveling kit?
For a mild level on most trucks, no. As you add height, aftermarket upper arms keep the ball joint within its range and restore alignment adjustment. We tell you where that point is for your truck.
Do I need an alignment after replacing ball joints?
Not always. A straight swap of press-in joints on a solid axle often puts everything back where it was, and if the vehicle tracked straight before and the tires wear evenly after, an alignment may not be needed. It is a different story when we replace upper control arms, when camber or caster bolts move, on an independent front end, or when the vehicle was already pulling or wearing tires unevenly. We check the geometry after the job and tell you whether an alignment is worth paying for.
What customers say
5.0 from 46 Google reviews
Zach did an excellent job replacing my Jeeps ball joints. Very satisfied with the joints he suggested and the work that was done.
I had a great experience at Off Camber 4x4 as Zach is a true professional and pleasure to work with. He went above and beyond getting all hardware snugged up even though it wasn’t in the estimate - with being a late request made when I dropped off the truck. Additionally, Off Camber’s shop not only provided the most reasonable price out of the four estimates I received, they were the ONLY shop that recommended a follow up inspection for the type of service I had done. They installed a leveling kit, control arms, rear shocks, dual exhaust system, and a trailer receiver along with including the complementary inspection at 500 miles to make sure everything was still tight.
Nothing but good things to say about Off Camber 4x4 Garage. Needed to have upper control arm bushings installed on a 2012 JKU. Called and talked with Zach about it and dropped vehicle off the next day. Zach messaged me back that same night letting me know the work was completed. Unbelievable customer service and work was done right.
Zach did some suspension work on my truck and it came out great, he was quick and the price was fair. Will definitely be back for more work in the future.
I had some Rubicon takeoff springs installed on my Wrangler JL Sport 2 door. It was awesome to watch Zach work. He took time to torque everything properly and still completed the job in a very timely fashion. It was a great experience!
Zach did a great job on the lift install for my sequoia. Highly recommend!
I recently had a set of Fox 2.0 shocks installed on my daughter's Jeep at Off-Camber 4x4 Garage and I couldn't be happier with the experience. From start to finish, the Zach and Team was knowledgeable, professional, and efficient. They took the time to explain the different shock options, ensuring we chose the best setup for her needs. The installation was done quickly and with great attention to detail. The Jeep now handles better than ever—smoother on the road and more capable off it.
Zach went above and beyond for me. I Had him install readyair bags on my F350 and even though he ran into an issue that wasn’t his fault that made the install take longer, he honored his original estimate and gave me a military discount on top of that. Stand up guys here. Professional and easy to work with! Highly recommend
Get your front end inspected
MetalCloak Baller Joints and ball joint replacement in Windsor, CO, for Jeeps and trucks across Northern Colorado.