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#1
05-24-2011, 10:37 AM
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High Pitched Whistle sound like it is from HVAC
I have a 2001 Astro that has a high pitched whistle that comes and goes when the Air Cond is on or off. It sounds like a Vacuum leak. Everything seems to work ok it is just anoying. Has anyone else had this problem and found out exactly what is happening? Thanks.
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#2
09-28-2011, 09:59 AM
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Re: High Pitched Whistle sound like it is from HVAC
I have a 1999 with the same problem. I also just go a Engine code P0542 Fuel tank pressure low voltage. I just changed the Fuel pump and then the AC compressor. Everything works fine but that code needs to be fixed. I know that they don't make this stuff to last but for what they charge it should last at least 30 years. Any help would be appreciated. And if I find out anything I will post it.
Thanks
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