SIGNS OF WEAR
SIGNS OF WEAR
AND DEGRADATION
AND DEGRADATION
WORN-OUT TREAD
Caused by too much air pressure or too little air pressure
UNEVEN TREAD WEAR
A sign of possible problems with wheel alignment
FEATHERED TREAD WEAR
May also be caused by wheel alignment issues, as seen from different levels of smoothness and height of the tread ribs
AIR PRESSURE
- Check your tire pressure once-a-month. The proper PSI for your vehicle will likely be labeled on the side of the door.
- Check and adjust your tire pressure after drastic weather changes. Increases in heat or cold affect tire pressure.
TIRE TREAD
- Test your tread monthly with the “quarter test.” Insert a quarter into the most worn groove of a tire. If the top of Washington’s head can be seen, start looking for a new tire.
- Tires with proper inflation and tread are more fuel-efficient.
TIRE ROTATION
- Every vehicle varies, but tires should normally be rotated once every 5,000 to 7,000 miles.
- New tires go on the back axle. This helps drivers maintain control on slippery roads
TIRE BALANCING
- When a new tire is installed (or an old tire after a puncture repair), a professional balancing is needed to prevent uneven tire wear or damaging vibration.
AIR PRESSURE
- Misalignment affects tire tread, fuel efficiency, and driving performance.
- If your car pulls to the left or right, a professional wheel alignment may be necessary.
SOURCES
https://exchange.aaa.com/car-care/repair-maintenance/tire-safety-and-maintenance/#.XGykWZMzaCW
https://www.bridgestonetire.com/tread-and-trend/drivers-ed/tire-tread-wear-causes
https://www.goodyear.com/en-US/tire-guide/tire-care/how-cold-weather-effects-tire-pressure
https://prideautocare.com/washington-quarter-test-versus-the-lincoln-penny-test-on-tires/
https://www.michelinman.com/US/en/help/tire-care.html
https://www.today.com/money/tire-maintenance-5-tips-stay-safe-road-2D80213764