Thread: hissing sound
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Old 07-01-2003, 03:31 AM
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sixto sixto is offline
smoke gets in your eyes
Join Date: Jun 2000
Location: SF Bay Area
Posts: 18,745
It usually means your AC refirgerant pressure is low or there's a snake in your ducts. Have it charged with the appropriate refrigerant and perhaps have it checked for leaks. If you have an R134a system, you can even recharge it yourself if you trust your abilities.

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