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#1
11-10-2009, 11:27 PM
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Unusual Noise
About 2 days ago my car started to make a strange whining noise. It sounds like when you take the hose attachment of a vaccum cleaner and get it stuck on something so that it whines. The noise starts at around 20mph and climbs higher in pitch the faster I go. I have a 94 geo 1.0L. And it has around 185K on it.
I would attach a video so that you could hear the noise but it is not allowing me to do so at this time. 
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#2
11-10-2009, 11:41 PM
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Re: Unusual Noise
check your exhaust system for restrictions or holes
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#3
11-11-2009, 09:30 PM
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Re: Unusual Noise
It could be either the water pump or alternator bearing also. You can temporarily remove the belt and run it for a short distance and see if the noise goes away. Then you will know.
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#4
11-12-2009, 11:54 PM
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Re: Unusual Noise
If yours has an AC it could also be those bearings. The AC compressors in these things really like to crap out. Also the tensioner for the AC belt likes to act up... Good luck! You can run it without the AC belt too...
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#5
12-15-2009, 06:59 PM
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Re: Unusual Noise
I'm guessing your belt might be slipping. You could also have an accessory bushing locking up. That would mean alternator, or more likely waterpump. The A/C compressor also. A quick check. remove the belt, the alternator should rotate freely. The water pump should offer 'a little' resistance, meaning spining it with your hand it should turn a little after you let go (unless its new). The A/C compressor should have about the same resistance as the water pump, maybe a little less. This is all subjective of course depending on the age of the components.
I'm betting though that your b elt is just slipping. check the free play first, before you do anything.
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