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Old 08-25-2007, 11:35 PM
saumil saumil is offline
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Join Date: Aug 2001
Location: Houston, Texas
Posts: 393
What are the low and high side pressures ?

Is the belt tight ? Though with a loose belt I would have expected the opposite.

Does your car have the Klima relay ? There are tests you can do to determine what causes the compressor cut-off. If you are interested, I can send you the steps.

When you get hot air, I am assuming that your compressor stopped working ?

If it cuts off at high RPM and comes back on low RPM, it is possible that your high side pressure may be rising too much, and this could happen either because you have non-refrigerant in the system or too much refrigerant or the aux fan is not working.

When the hot air comes thru the vent, do you have to stop the car and restart for the a/c to work ?
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