Tire keeps losing air (slow leak)
A tire that keeps going low usually has a small puncture, a leaking valve stem or a poor seal where the tire meets the wheel. Keep it filled to the door-sticker pressure and get it repaired soon, because driving on low air can wreck the tire.
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Likely causes
- A small nail or screw in the tread
- A cracked or loose valve stem
- Corrosion where the tire seals against the wheel
- A wheel bent by a pothole
- A damaged pressure sensor at the valve
Try this first
- Fill the tire to the door-jamb pressure and check it again the next day
- Spray soapy water on the tread, valve and rim edge and watch for bubbles
- Make sure the valve cap is on
- Look closely at the tread for a nail or screw head
When to call us
- You've found the leak in the tread or at the valve stem
- The tire is now too low to drive on
- It loses air faster than you can keep up with
Tire repair, plug and patchNail or puncture in the tread? We repair it where you are.$54–$60+ $19 dispatch
Call (469) 619-8700 or request online.
In danger or blocking traffic? Call 911 first.
We come to where your car is
Day or night: your driveway, the parking garage at work or the shoulder of the freeway.
Questions
01How do I find a slow leak?
Soapy water is the easiest way. Spray or brush it over the tread, the valve stem and the edge where the tire meets the wheel, then watch for small bubbles.
02Can every slow leak be fixed on site?
Punctures in the tread and leaking valve stems usually can. A leak from a bent wheel or sidewall damage can't be fixed with a plug or patch; that tire or wheel needs replacing.