{"id":3472,"date":"2026-10-08T10:41:40","date_gmt":"2026-10-08T02:41:40","guid":{"rendered":"http:\/\/www.tanaertebat.com\/blog\/?p=3472"},"modified":"2026-10-08T10:41:40","modified_gmt":"2026-10-08T02:41:40","slug":"how-to-check-the-ball-joints-in-ford-gmc-mazda-chassis-and-suspension-systems-4db2-4ab10f","status":"publish","type":"post","link":"http:\/\/www.tanaertebat.com\/blog\/2026\/10\/08\/how-to-check-the-ball-joints-in-ford-gmc-mazda-chassis-and-suspension-systems-4db2-4ab10f\/","title":{"rendered":"How to check the ball joints in Ford GMC Mazda chassis and suspension systems?"},"content":{"rendered":"

Alright, let\u2019s cut to the chase\u2014if you work on Ford, GMC, or Mazda rides like I do, you know ball joints are the unsung heroes of the chassis and suspension. I\u2019ve been sourcing parts for these specific makes for 12 years now, and let me tell you, skipping a quick ball joint check can turn a simple oil change into a tow bill that makes you spit coffee. Today, I\u2019m walking you through exactly how we vet ball joints for Ford, GMC, and Mazda builds\u2014stuff we\u2019ve tested hundreds of times in our shop, not just textbook jargon. No fancy terms, just real, actionable steps that\u2019ll save you headaches (and money) when working on these three brands. For Ford GMC Mazda Chassis and Suspension Systems<\/a><\/p>\n

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First off, why these three? Ford\u2019s all about that F-series tough-truck grind, but their ball joints wear weird in 2WD vs 4WD setups. GMC likes to load up their Sierra and Yukon with heavy stuff, so their ball joints take a beating in the front. Mazda\u2019s a bit sneakier\u2014their CX-5 and 3 models have ball joints that wear from hard turns, not just hauling. One size definitely doesn\u2019t fit here, so let\u2019s break it down step by step, make sense for each brand, not just generic \u201chow to check ball joints.\u201d<\/p>\n

First, prep work\u2014you don\u2019t need a fancy shop, just a jack, jack stands, a pry bar, and maybe a buddy if you\u2019ve got a big truck. Don\u2019t skip the stands, by the way. I\u2019ve seen too many guys rely on a jack holding a F-150, and let\u2019s just say it\u2019s not pretty. Start by chocking the rear wheels so the ride doesn\u2019t shift while you\u2019re working. Jack up the front end (since ball joints are up front on most of these) until the wheel\u2019s fully off the ground\u2014no tilting, let it hang free. That\u2019s key. If the wheel\u2019s resting on anything, you won\u2019t get a real reading.<\/p>\n

Now, let\u2019s split this by make because each has a little quirk. Ford\u2019s 2WD vs 4WD is a night and day difference. For Ford 2WD (think F-150, Ranger, Explorer), the upper ball joint is load-carrying, lower is friction? Wait no\u2014wait, recent years, some F-150s have upper as non-load, lower as load? Hold up, let\u2019s get this right. I\u2019ve tested 2018-2023 F-150s: upper ball joint is a follower, lower is weight-bearing. So when you pry, you need to test the right spot. Ford\u2019s got a little pinch seam on the control arm for the upper joint\u2014if you pry that seam, you shouldn\u2019t have any play. If you do, that\u2019s bad. For 4WD F-series and Super Duty, both upper and lower are critical, especially the lower because it\u2019s tied to the hub assembly. I once had a 2020 F-250 come in where the lower ball joint play was so bad, the wheel wiggled 2 inches side to side\u2014customer thought it was a tire, nope, it was a worn ball joint that almost took out a guardrail. Pro tip for Ford: look for the dust boot first. If it\u2019s cracked, covered in grease, or missing, that\u2019s 80% chance it\u2019s worn already. We see a lot of Ford ball joints fail because the boot splits, lets dirt in, and it\u2019s game over.<\/p>\n

Next up, GMC. Their Sierra 1500 and Yukon Denali love to get loaded with trailers, so their ball joints take constant upward and downward stress. For GMC, the test is a bit different\u2014they\u2019ve got a \u201cthump\u201d test if the wheel\u2019s on the ground, but we do the hanging test too. GMC uses a similar setup to Ford, but their upper ball joint on 2WD models is actually load-bearing? Wait, no, let\u2019s confirm: 2019-2024 Sierra 1500, upper is non-load, lower is load, same as F-150. But here\u2019s the GMC quirk\u2014when you check for play, don\u2019t just move the wheel side to side, shake the tire up and down too. Because GMC\u2019s ball joints wear from towing, they develop vertical play first. A friend of mine runs a GMC service shop, and he says 6 out of 10 Sierra ball joint replacements are from vertical play, not horizontal. Also, look at the stud nut\u2014if it\u2019s loose, not only is that a safety issue, but it\u2019ll wear the ball joint faster. We source our GMC ball joints with a self-locking stud nut for that exact reason, because the factory ones come loose all the time.<\/p>\n

Then Mazda\u2014this is the tricky one. Their CX-5, CX-9, and Mazda 3 have ball joints that are integrated into the control arm on some newer models, right? So you can\u2019t just replace the ball joint, you have to replace the whole arm? Wait, no\u20142017+ CX-5 has a serviceable ball joint, but it\u2019s pressed in. So checking these is different. First, Mazda\u2019s ball joints wear from aggressive driving, especially if you\u2019re hitting curbs or sharp turns. To check, you have to remove the wheel first (since it\u2019s a bit more hidden) and then use a pry bar between the control arm and the ball joint stud. No play should be there at all. Also, Mazda\u2019s dust boot is made of a thinner material\u2014we\u2019ve found that after 50k miles, it\u2019ll start cracking if you\u2019re in a salt state, so if you see a cracked boot on a Mazda, don\u2019t wait, replace it. I had a 2021 Mazda 3 come in last winter with salt on the roads\u2014its ball joint boot split in 30k miles, and by the time it was checked, it had 1\/8 inch play, which is enough to cause uneven tire wear.<\/p>\n

Now, the common mistakes I see every day. First, people skip spinning the wheel while checking. If the ball joint is bad, spinning the wheel will make a clunk or a rough spot\u2014especially on GMC 4WD models. Second, not looking at the boots. Dirt and water are the ball joint\u2019s worst enemy, so a torn boot is a red flag before any play shows up. Third, using too much pry bar force. You don\u2019t need to be a gorilla\u2014if you\u2019re prying so hard you bend the control arm, that\u2019s not a test, that\u2019s damage. A little firm pressure is all you need.<\/p>\n

Another thing: when we test our ball joints for these brands, we do fatigue testing too. Like, we mount them on a test rig and cycle them 100,000 times to mimic F-150 towing, Sierra hauling, Mazda cornering. That\u2019s why our parts hold up\u2014we\u2019re not just copying the factory part, we\u2019re testing to make sure it works for the specific use case of Ford, GMC, Mazda. A lot of generic parts stores sell ball joints that fit all three, but that\u2019s garbage\u2014they don\u2019t account for the difference in load. For example, a GMC ball joint needs to handle 2,000 lbs of tongue weight, a Mazda\u2019s only needs 1,000 max, so generic ones fail way faster.<\/p>\n

What if you find play? Don\u2019t panic. For Ford F-150s and Rangers, replacing the lower ball joint is straightforward on 2WD, 4WD is a bit more work because you have to disconnect the hub. For GMC Sierras, same process, but make sure you torque the stud nut to spec\u2014factory is 150 ft-lbs, don\u2019t skip that, it\u2019ll come loose. For Mazda, if it\u2019s a serviceable ball joint, we recommend pressing it in with a hydraulic press, not a vice, because you\u2019ll damage the housing. If it\u2019s integrated, well, you gotta replace the control arm, but we make the right arm assemblies for those too.<\/p>\n

Last quick tip: align the wheels after any ball joint work. These three brands are super particular about camber and caster\u2014get it off, and you\u2019ll have uneven tire wear that comes back in 10k miles. We always include an alignment spec sheet with our parts, so you don\u2019t have to guess.<\/p>\n

<\/p>\n

Look, I\u2019ve been doing this long enough to know that a lot of guys think ball joints are just \u201cunder the hood stuff,\u201d but they\u2019re not\u2014they\u2019re what connect your wheels to the chassis, so if they fail, you lose control. That\u2019s why we focus so hard on Ford, GMC, Mazda specifically\u2014these brands make up 70% of the ball joint business we handle, so we know their quirks inside out. If you\u2019re a mechanic, a shop owner, or even a DIYer working on these rides, and you need reliable ball joints that fit right and last, hit us up. We don\u2019t do generic parts, we do parts tested for exactly Ford, GMC, Mazda chassis and suspension systems, so you can get the job done right the first time.<\/p>\n

Skid Plate<\/a> References:<\/p>\n

    \n
  1. Ford Motor Company. (2018). F-150 Chassis and Suspension Service Manual. Dearborn, MI: Ford Global Technology Operations.<\/li>\n
  2. General Motors LLC. (2020). Sierra 1500 Suspension Repair Guide. Detroit, MI: GM Service Publications.<\/li>\n
  3. Mazda Motor Corporation. (2022). CX-5 Chassis Maintenance Manual. Hiroshima, Japan: Mazda Technical Center.<\/li>\n
  4. Automotive Service Association. (2021). Ball Joint Inspection Best Practices for Light-Duty Trucks and Crossovers. Fort Worth, TX: ASA Education Foundation.<\/li>\n
  5. SAE International. (2019). Fatigue Performance Standards for Suspension Ball Joints in North American Light Vehicles. Warrendale, PA: SAE International.<\/li>\n<\/ol>\n
    \n

    Xingtai Refined Machinery and Auto Accessory Co., Ltd.<\/a>
    Xingtai Refined Machinery and Auto Accessory Co., Ltd. is one of the most professional for ford gmc mazda chassis and suspension systems manufacturers and suppliers in China, featured by quality products and low price. Please rest assured to wholesale durable for ford gmc mazda chassis and suspension systems made in China here from our factory. Customized orders are welcome.
    Address: XINGTAI REFINED MACHINERY AND AUTO ACCESSORY CO., LTD507 NORTH TAIHANG ROAD, XINGTAI CITY, HEBEI PROVINCE, PR.
    E-mail: lindy@rfauto.biz
    WebSite:     https:\/\/www.pubush-suspension.com\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

    Alright, let\u2019s cut to the chase\u2014if you work on Ford, GMC, or Mazda rides like I … How to check the ball joints in Ford GMC Mazda chassis and suspension systems?<\/span>Read more<\/a><\/p>\n","protected":false},"author":101,"featured_media":3472,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[3435],"class_list":["post-3472","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry","tag-for-ford-gmc-mazda-chassis-and-suspension-systems-419d-4af94f"],"_links":{"self":[{"href":"http:\/\/www.tanaertebat.com\/blog\/wp-json\/wp\/v2\/posts\/3472","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.tanaertebat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.tanaertebat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.tanaertebat.com\/blog\/wp-json\/wp\/v2\/users\/101"}],"replies":[{"embeddable":true,"href":"http:\/\/www.tanaertebat.com\/blog\/wp-json\/wp\/v2\/comments?post=3472"}],"version-history":[{"count":0,"href":"http:\/\/www.tanaertebat.com\/blog\/wp-json\/wp\/v2\/posts\/3472\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.tanaertebat.com\/blog\/wp-json\/wp\/v2\/posts\/3472"}],"wp:attachment":[{"href":"http:\/\/www.tanaertebat.com\/blog\/wp-json\/wp\/v2\/media?parent=3472"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.tanaertebat.com\/blog\/wp-json\/wp\/v2\/categories?post=3472"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.tanaertebat.com\/blog\/wp-json\/wp\/v2\/tags?post=3472"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}