Why Checking Tyre Pressure is very important...

Be sure to check your tire pressure at least once a month and before any long road trips.  Tire pressure should be checked when they are cold – driven less than a mile.  Otherwise, your tires will have heated up, increasing the air pressure inside them by several pounds.  You can find the OE recommended tire pressure on the placard that is usually located in the driver’s side door jam.

Under inflation causes increased stress in the sidewalls and tread area which can result in irregular wear, hydroplaning, poor fuel economy and change in vehicle handling stability.

Over inflation causes increased stress to internal materials which can result in premature failure, poor traction and change in vehicle handling/stability.

Proper Tire Pressure: Why it Matters, 

Driving on underinflated or overinflated tires compromises any or all of the following.

Stopping distance: Properly inflated tires maximize tread contact with the pavement, and traction along with it. Stopping with improperly inflated tires takes more distance to stop the vehicle in an emergency situation. 

Ride and handling: When the tires have too much air, they're overly rigid, which means they don't absorb as much impact, so the car rides rougher and suspension components wear faster. An overinflated tire's tread may crown, allowing only the center portion to contact the pavement, which decreases traction. When the pressure is too low, the ride might be softer, but the tread may not meet the road uniformly.

Fuel economy: Underinflated tires greatly reduce fuel economy. 

Treadwear: Along with the traction decrease that comes with overinflation, it also causes the tread to wear more quickly in the center. Underinflation causes wear closer to the sides and allows more heat buildup, speeding wear. 

Load bearing: Each tire is rated to carry a maximum amount of weight at a prescribed tire pressure. Some cars specify a higher pressure for greater loads. At best, a tire that's underinflated for the load at hand will suffer the problems detailed above. Extra heat generated in the tire can cause it to fail even if it had held up under a lighter load. 

Article Source : https://automotive.kendatire.com

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