1995 Toyota Previa

1995 TOYOTA PREVIA
177,000 MILES • 4 CYL • AWD • AUTOMATIC
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DREW1072
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When I turn on the A/C in my van, it has a very loud, high pitch ringing noise, not a squeal like a loose belt. It will eventually stop, say, maybe after fifteen seconds. I will drive a little bit and it will still do it for a few seconds at a time. Doing it less frequently, but then continues to do it intermittently while I'm driving for a second or two. If I stop, shut the van off, then go do something and come back and start the van and turn the A/C on it will still do the same thing all over again. It seems like the worse of it is at start up. The A/C is very cold and works very well other-wise. Thanks, Andy
Apr 27, 2009 at 5:56 PM
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RACEFAN966
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I sounds like the ac clutch is making noise. You will neet to listen to it with an automotive stethiscope or long screw driver. Also does if you put it on defrost does it do it only when the A/C cycles? Let me know what you find.
Apr 27, 2009 at 7:56 PM
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DREW1072
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Thanks for the help with my problem. You asked if it does it with the defrost on. No, it only does it with the A/C on. And, yes while it cycles it does it. That must be why it does it while I'm driving every once in awhile for that second or two. Thanks, Andy
Apr 27, 2009 at 8:43 PM
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RACEFAN966
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Yes that would be correct. Let me know what you find.
Apr 28, 2009 at 9:59 AM