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Flats and Tire Pressure
Jeep Grand Cherokee Laredo
VW New Beetle

What is a safe tire pressure range?


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2008-04-03 16:09:04
2008-04-03 16:09:04

This question needs to be more specifc to produce a reliable answer. The answer will vary depending on they kind of tire, the vehicle, and the use for which the tire is applied. If we're considering a car, light truck, SUV or other passenger vehicle, there is usually a placard on the door, in the glove compartment or the fuel compartment cover which specifies the best tire pressure for the vehicle. This may be as low as 24 psi or as high as 35psi in most cases, but this is not an acceptable range to operate under. The safest range is withing 1-2 pounds of the level on the door sticker, or the owner's manual specs. Never operate for normal conditions using the Maximum pressure which is stamped on the side of the tire. This maximum is the greatest pressure which the tire is designed to resist ... not the recommended operating pressure. If a tire is used with less than the optimum pressure you note that the outside edges of the tread will be wearing faster than the center. This is a clear sign that you need to use more pressure. If the tire is wearing only in the center of the tread faster than the outside edges, then you need to reduce the pressure. The vehicle's weight and the load carried also play a part. The heavier the load the the more pressure required in the tires.

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The tire will have the pressure on the sidewall. I have seen 44psi there, but, that feels a little hard to me. I have kept them at 40psi and been just fine. The pressure listed on the side of the tire is the max safe pressure for that tire. The recommended pressure for a Jeep Liberty is on the label affixed to the driver's door jamb. It is more in the 30-35 psi range.

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35 to 37 psi ..... 7 pounds under max PSI. Because Max is 44 tire pressure. Remember the hotter the tire the higher the pressure. A good range is 7 under Max. So the tire can heat up to just under max.

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The tire will list the maximum safe operating pressure on the sidewall. The vehicle will have recommended tire pressure listed in the owners manual.

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Check the label on the driver's door jamb or in the owners manual for the proper pressure. The pressure listed on the side wall of the tire is the max safe pressure of the tire only.

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Min/max recommended are usually molded into the tire sidewall. The recommended pressure for the vehicle will be listed on a sticker in the driver's door jamb. The number on the tire is just as max safe pressure for the tire.


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