You need to perform a test to determine where the leak is coming from.
One way of doing it is to remove the wheel and dump it inside a tank of water and note where air bubbles are coming from to locate the source.
I do not think you are referring to 240 psi. Most tires have a maximum rating of 60 psi for passenger vehicles.
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Sunday, December 26th, 2010 AT 11:42 AM