Driving with a broken sway bar is generally not safe. In most cases, you should not drive long distances; arrange towing to a repair shop. If you must move the vehicle, do so slowly and avoid aggressive steering or high speeds. A faulty sway bar can severely affect handling, especially in corners or on uneven pavement.
What a sway bar does
The sway bar, also called a stabilizer bar, links the left and right suspension to reduce body roll when you turn. It helps keep tires in contact with the road and improves predictable steering. It is attached to the suspension via end links and bushings, and it works in concert with the springs and shock absorbers.
Key components
Most cars have a hollow steel bar that runs across the front and/or rear axle, with end links at each end and bushings or mounts to the frame. A failure can involve a broken bar, a cracked or detached end link, or worn bushings.
How it fails and what that means for your drive
Common failure modes
End links can break or come loose, bushings can wear, and the bar itself can crack or detach. Any of these issues can reduce the sway bar’s effectiveness, making the car lean more in turns and increasing the risk of unpredictable handling.
Safety implications of driving with a broken sway bar
A broken sway bar is a warning sign. If the bar or its links are compromised, you may notice increased body roll, a clunking noise, or a change in steering response. In emergency maneuvers or at higher speeds, the car can become harder to control and may be more prone to understeer or oversteer. For many vehicles, a failure will also affect handling stability enough to fail safety inspections in some jurisdictions.
Symptoms to watch for
If you notice any of the following, have the suspension inspected promptly. The sooner you diagnose the issue, the safer your drive will be.
- Clunking or banging noises from the suspension, especially when going over bumps or through dips
- Increased body roll or a sensation that the car leans excessively in corners
- Steering feel that is less predictable, or the car pulling to one side
- Visible damage or looseness in the end links or sway bar mounts
- Uneven tire wear or other unexplained handling changes
These symptoms indicate the sway bar or its mounting hardware may be compromised and warrant a professional inspection.
What to do if you suspect a break
If you suspect a broken sway bar while driving, take these precautions to stay safe and get the vehicle repaired quickly.
- Safely pull over to a stable, level spot and turn on your hazard lights if you must stop on a roadway
- Do not continue driving long distances; arrange roadside assistance or a tow to a repair shop
- Avoid high speeds, aggressive steering, and rapid lane changes until the issue is repaired
- Have a mechanic inspect the sway bar, end links, and related suspension components, and replace any damaged parts
Because suspension components absorb impacts and help maintain tire contact, driving with a broken sway bar can worsen damage and compromise safety.
Repair options and costs
Repairing or replacing a sway bar depends on what is damaged. In many cases, replacing worn or broken end links and bushings is enough, but a bent or cracked bar may require a full sway bar replacement. Costs vary by vehicle and region.
Estimate ranges (typical for many passenger cars): end links or bushings, parts only: $40–$150; sway bar itself: $150–$350; labor: $100–$350, depending on the vehicle and shop. Higher-end or AWD vehicles can be more expensive. Always get a written estimate before work is performed.
Summary
In short, a broken sway bar affects stability and handling and should not be treated as a minor repair. If you suspect a problem, prioritize safety, arrange a tow to a qualified shop, and replace any damaged components promptly. Addressing the issue early protects your vehicle, your passengers, and others on the road.