No—do not drive a car with bad ball joints. It’s a serious safety risk and should be evaluated by a mechanic promptly; if needed, tow the vehicle to a shop.
Ball joints are a pivotal part of a vehicle’s front suspension, linking the steering knuckles to the control arms. When they wear or become damaged, they can introduce play in the suspension, cause steering instability, and, in extreme cases, fail suddenly. This article explains the risks, signs to watch for, and what to expect if you need repairs.
What happens when ball joints wear out
Worn ball joints can compromise steering and suspension control. In severe cases, a failed joint can allow the wheel to move unpredictably or separate from the suspension, posing a crash risk even at low speeds or on uneven pavement.
Common warning signs
To help you spot problems early, here are the most frequently reported indicators of worn ball joints. Note that some symptoms overlap with other front-end issues.
- Clunking or knocking noises when going over bumps or during hard steering
- Excessive play or a loose feel in the steering wheel
- Front-end vibration or the vehicle pulling to one side
- Uneven, cupped, or accelerated tire wear on the front tires
- Visible damage or a torn/dry boot around the joint, or grease leakage in nearby areas
- Wheel misalignment or the wheel wobbling when driving straight
Unexplained clunks, looseness, or unusual wear should prompt a professional inspection, since delaying repair can worsen damage and raise risk.
What to do if you suspect worn ball joints
Taking prudent steps can reduce risk while you arrange professional assessment and repair. Do not ignore warning signs or delay a needed fix.
- Limit driving to short trips only and avoid high speeds, rough roads, and potholes
- Schedule an inspection with a qualified mechanic as soon as possible
- If the car is unsafe to drive, arrange towing to a repair shop rather than risking a roadside failure
- Consider checking tire condition and ensuring brakes remain functional while you transport the vehicle
Prompt action helps prevent a potential accident and reduces the chance of more extensive (and expensive) damage.
Safety and legal considerations
Many jurisdictions treat a vehicle with worn ball joints as unsafe for road use. Driving with known suspension weaknesses can be illegal or lead to failing a safety inspection, and it raises the likelihood of an accident. Always prioritize safety and comply with local regulations when deciding how to move a car that may have bad ball joints.
- In many areas, driving a vehicle deemed unsafe by a roadworthiness inspection can result in penalties or being not road-legal
- A tow to a repair facility is often safer and can be more cost-effective than risking an accident
- Repair may involve replacing one or both ball joints, and sometimes the control arm or knuckle, depending on the design
Legal requirements and safety standards vary by location, so verify local rules and follow the guidance of road-safety authorities and your mechanic.
Repair options and costs
Ball joints come in different designs. Some are serviceable and replaceable on their own, while others are integral to a control arm or knuckle. Costs depend on vehicle make, model, and whether parts require replacement on one side or both, plus labor and alignment charges.
- Single ball joint replacement (one side): commonly in the hundreds of dollars range for parts and labor, depending on the vehicle
- Both sides or upfront replacement of related components (e.g., control arms): higher cost, potentially substantially more
- Serviceable vs non-serviceable joints: some designs require replacing an entire control arm or steering knuckle rather than just the joint itself
- Aftermarket vs OEM parts: price and longevity can vary; labor typically makes up a large portion of the total
- Post-repair alignment: an alignment is usually necessary to restore proper handling and tire wear
When you get a repair estimate, ask the shop to itemize parts, labor, and alignment, and confirm whether any related components (like control arms or knuckles) will also be replaced.
Summary
Bad ball joints are a serious safety concern that can affect steering, handling, and overall roadworthiness. If you notice warning signs, arrange a professional inspection promptly and avoid long or high-speed drives until repairs are completed. Depending on the vehicle, repair may involve replacing one or both joints, and often requires a wheel alignment. Prioritize safety, obtain a formal estimate, and tow the vehicle if needed to minimize risk on the road.
How expensive is a ball joint to fix?
The average ball joint replacement in the UK costs £90, but prices typically sit between £75 and £180, depending on your car and how many joints need replacing.
What can be mistaken for bad ball joints?
And water and everything to get in there. And these are non- greasable. So these need to be serviced. This is the lower ball joint that we're looking at here's the upper ball joint.
How long can I drive with a bad ball joint?
You absolutely cannot and should not drive with a bad ball joint. It is one of the most critical safety components in your entire vehicle, and its failure can be catastrophic. The clunking noise it makes is a serious warning sign. The risk of a complete failure is far too high to ignore.
How bad is it to drive with a bad lower ball joint?
Continuing to drive with a damaged ball joint can cause further damage to your suspension and steering components. It can also be a serious safety risk, potentially causing you to lose control of your vehicle.