
If a car tire leaks while driving, you need to turn on the hazard lights, pull over, and replace the spare tire. After replacing the spare tire, control the speed and do not exceed 80km per hour. Find a tire shop to repair the tire before putting it back on, as the spare tire cannot be used for a long time. The following are the steps for replacing a tire: 1. After parking and turning off the engine, use the handbrake; 2. Place heavy objects in front of and behind the wheels to prevent sliding, and place a triangular warning sign behind the car; 3. Use a wrench to loosen the screws of the tire to be replaced in a diagonal manner; 4. Place the jack on the side where the tire needs to be replaced and lift the vehicle to a certain height; 5. Remove the screws and take off the tire; 6. Replace with a spare tire or new tire, and tighten the screws in a diagonal manner; 7. Release the jack to lower the vehicle and ensure that the screws and nuts are tightened.

Yesterday, I noticed the right front tire was flat while driving. You can't just drive straight to the repair shop. First, pull over, turn on the hazard lights, and place a warning triangle 100 meters behind the car to avoid rear-end collisions. Open the trunk to find the spare tire and toolkit—some cars have the spare tire underneath and need to be lowered with a crank. When using the jack, locate the designated lifting points on the chassis; lifting at the wrong spot can damage the frame. Don’t force the lug nuts—use your foot on the wrench to loosen them. After installing the spare tire, you can only drive temporarily at 70-80 km/h, and it shouldn’t exceed 200 km. If you pass a service area, get the tire repaired. A simple patch will do for a nail puncture, but if the sidewall is damaged, you’ll need a new tire. Regularly check tread depth monthly using a coin and maintain tire pressure between 2.3-2.5 bar for optimal safety.

From my ten years of auto repair experience, 90% of tire leaks are caused by small nails. Spray soapy water on the tread, and bubbles will indicate the leak point. If the puncture isn't deep, you can temporarily plug it with a tire repair strip. Don't force using a spare tire of the wrong size, as it can damage the suspension. Slow leaks in tubeless tires are often due to aging valve cores; unscrew the cap and pour some water to check for bubbles. If there's a bulge on the tire sidewall, replace it immediately—it means the cords are broken and it's very dangerous. Repaired tires should be placed on the rear wheels, as a front tire blowout makes it harder to control the direction. Rubber has a lifespan of only five to six years, so don't cheap out and buy retreaded tires.

Don't panic when you see a tire pressure warning after parking. Keep the engine running and check the dashboard to identify which tire is losing air. Get out and inspect if there's any glass shard stuck in the tire. Sidewall damage from curb scraping is usually unrepairable, but if it's a nail puncture in the tread, you can inflate it with a pump to reach the repair shop. Check your vehicle's toolkit for tire sealant - injecting it through the valve stem provides temporary sealing. When changing to the spare, remember to tighten bolts diagonally for stability. Mechanics use leak detectors to locate punctures, with repairs often completed in 20 minutes. Having tire pressure checked during regular car washes can prevent 80% of air loss issues.

Last week when I was dropping my kid off at school, I encountered a flat left rear tire and quickly pulled over with hazard lights on. Remember not to brake abruptly! When pulling out the spare tire from the trunk, I found the toolkit was missing the jack handle, so I had to make do with an adjustable wrench to operate the jack. Ladies changing tires can wear work gloves to prevent scratches, and if lacking strength, step on the wrench for extra leverage. Tighten the lug nuts in a star pattern, then reinforce diagonally at the end. Spare tires often have insufficient pressure, so I always keep a inflator in my car. At the repair shop, I recommend getting a wheel balance check, as a bent rim can cause slow leaks. After returning home, I replaced the locking lug nuts with standard ones to save time in emergencies.

When the tire pressure warning light comes on, immediately slow down and find a flat area to park. Feeling the tire temperature can help determine the rate of air leakage—if it's too hot to touch, don't drive any further. Check the tire tread for nails; sometimes small stones stuck in the tread can trigger false alarms. Before changing to a spare tire, firmly engage the handbrake and place bricks in front of and behind the wheels to prevent rolling. If the wheel hub is rusted stuck, a few taps can loosen it—avoid using excessive force. When repairing a tire, remind the technician to check the wheel rim edges for deformation or air leaks. Corroded aluminum alloy wheels can also cause slow leaks, which can be fixed by polishing and sealing. In winter, increase tire pressure by 0.2 bar to account for thermal expansion and contraction, which often triggers false alarms. Always carry an emergency tire repair kit before long trips—towing fees on highways can be quite expensive.


