Getting a flat tire is never convenient, but knowing how to change one yourself can turn a stressful situation into a minor inconvenience. The process takes most people 15-30 minutes the first time—faster once you’ve done it a few times. This guide covers everything from finding a safe spot to drive away on your spare.
Most cars come with the tools you need stored in the trunk or under a floor mat. Here’s what to look for:
Nice to have:
Find these items in your car now and make sure you know how they work. You’ll thank yourself later.
This isn’t optional. The National Highway Traffic Safety Administration reports that the leading cause of roadside deaths is secondary accidents—other vehicles hitting people working on their cars.
Find a safe spot first. If possible, drive to a wide shoulder, parking lot, or quiet side street. If you’re on a highway and can’t reach a safe area, stay in your car with your seatbelt on and call for help. Getting hit by a car is worse than waiting for a tow truck.
Use your hazard lights. Turn them on immediately. If you have reflective triangles or road flares, set them behind your vehicle.
Apply the parking brake. Always. Even on flat ground. If you’re on any kind of slope, put wheel chocks or blocks against the tires that stay on the ground.
Find a flat, level area—a parking lot is ideal. Put the car in park (or first gear if it’s a manual) and apply the parking brake. Turn on your hazard lights.
Pull out all your tools and lay them within reach of where you’ll be working. Having everything ready saves time and frustration.
Do this before you jack up the car. Trying to loosen nuts while the car is elevated is harder and riskier.
Remove any caps covering the lug nuts, then place the wrench on each nut and turn counterclockwise. You’ll need some force—step on the wrench if needed. Loosen each nut about a quarter to half a turn. You don’t need to remove them completely yet; just break them free.
Work around all the nuts (usually five, sometimes four or six) before moving on.
Check your owner’s manual for the correct jack points. These are reinforced spots designed to handle the weight:
Don’t put the jack under bumpers, suspension parts, or anything that isn’t reinforced. You could damage the car or the jack could fail.
Pump or crank the jack until the flat tire is about six inches off the ground. You need enough clearance to remove the tire and put on the spare, but lifting higher makes the car less stable.
Now unscrew the lug nuts completely. Set them somewhere safe where they won’t roll away—inside the hub cap works well.
Grasp the tire and pull it straight toward you. It might stick due to rust or debris; rock it gently side to side if needed. Don’t hammer on it or use excessive force.
Set the flat tire aside, preferably flat on its side so it doesn’t roll.
Align the spare tire’s mounting holes with the wheel studs. The valve stem (where you add air) should face away from the car.
Slide the spare on until it seats against the brake rotor. If it doesn’t fit, check your alignment—some spares are directional.
Thread the lug nuts on by hand first. This prevents cross-threading, which damages the studs. Tighten them by hand as far as possible before using the wrench.
Use the wrench to snug them up—not fully tight, just enough that they’re all engaged and won’t fall off.
Use a star pattern: tighten one nut, then the opposite one, then move across. This keeps the wheel centered.
Reverse the jack to lower the car slowly. Once it’s on the ground and stable, remove the jack.
Now tighten the nuts fully using the same star pattern. Use your body weight on the wrench. Most passenger vehicles need 80-100 foot-pounds, but hand-tightening with strength is usually sufficient if you don’t have a torque wrench.
Double-check every nut.
Grab the flat tire—you’ll need it for repair or replacement. If your spare is a “donut” (temporary spare), remember it has speed and distance limits, usually around 50 mph and 50-70 miles. Head to a tire shop.
Sometimes it’s smarter to wait for help:
Your safety is worth the wait. Many roadside assistance programs through AAA, insurance, or your car manufacturer can get someone to you quickly.
How long does it take? First time: 15-30 minutes. With practice: 10-15 minutes. Experience, terrain, and nut condition all affect timing.
Can I change a tire without a jack? No. You need clearance to remove and mount the tire.
Should I replace all four tires at once? Not always necessary, but it’s ideal. If you only replace one or two, try to match the existing tires in brand and tread depth. Mismatched tires affect handling, especially in rain.
How much does it cost? Doing it yourself is free if you have tools. Professional roadside assistance runs $50-$150. Many tire shops will mount your new tire for free if you bought it from them.
Can I drive on a spare long-term? Most temporary spares aren’t designed for extended use. They have speed and distance limits. Get to a tire shop ASAP.
Find a safe spot, gather your tools, loosen the nuts before lifting, swap the tire, tighten in a star pattern, and check your work. The main things to remember: safety first, loosen nuts before jacking, and use the star pattern when tightening.
Locate your tools and spare tire now. Check that your jack works and your spare has air. Knowing this stuff before you need it makes all the difference.
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