1. Tie a hole
For a long time already make tires, even temporarily, no problem with them, but at the limit of endurance will load than ever before; in addition, on the same tire if you have three or more tie a hole, we still We recommend that you replace it as soon as possible.
2. Drum package
If the high-speed passing car pits, obstacles and curbs midnight, local tire will deform under severe huge impact force, thereby increasing the internal pressure moment, this is a direct consequence of causing cord sidewall bulge caused by rupture . Also in the same impact strength, high and low profile tires flat tire more easily than cause sidewall bulge. Drum kit has happened tires must be replaced immediately, otherwise there is a puncture hazard.
In general, a normal family car can use every 60,000 km or two years to replace a tire, but for serious tire tread wear should be early replacement. Now fast repair shops have tread wear ruler, the owner can buy a ready test their tire tread wear. In addition, increased tread crack is serious aging symbol can usually appropriate protective wax spray some tires, there is pressure to try not corrosive liquid while driving.
Most cars are now home use tubeless radial tires for the front-drive for the engine, transmission and other important drive components are pressed at the front, so the front sometimes look a little deflated, but the visual is not accurate and must use special air gauge measurements. Generally the front air pressure between 2.0 -2.2 Pago Pago, (due to the use and design of each vehicle are different, so it is best to use a reference manual on the factory calibration value), the summer can be appropriately lower.
Some owners will often hear when driving their car will be issued a "flap" sound, but the car but there is no fault with it, then you must check is not a pebble stuck in the tire tread in the. In fact, as long as usual taking the time to tread the lines with the key in these stone tablets dug up, the tires will not only be more stable braking grip, but also to avoid the tire noise.
6. Spare tire
To spare to play a real role in the emergency, usually must pay attention to its maintenance. First, we must always check the spare tire pressure; secondly, to pay attention to oil spare eclipse, spare tire rubber products, various oil fear erosion. Rear tire contaminated with oil, inflation will soon eclipse occurs, it will greatly reduce the life of the spare tire. Finally, the spare tire around the life of four years, many owners mistakenly believe that it has no spare tire is new, in fact, even after 4 years and never once used the spare tire should be replaced, otherwise it becomes scrap spare tire .