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#1
01-16-2007, 11:13 AM
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alternator noise
I replaced my alternator and battery at sears about a year ago. Lately the alteranotr makes a noticible high-pitched whining noice at any thing above idle. Is this normal. there seem to be no other problem. I had sears check the charging system and they said the charging output was correct.
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#2
01-16-2007, 02:03 PM
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Re: alternator noise
My alternator made that same "high pitched whining noise" for about a week, then it died...........
__________________
1998 BLAZER LS Vin-W 4Dr 2wd 2004 Cavalier LS 4Dr 2.2 Ecotec "Good Part's ain't Cheap--Cheap Parts ain't Good" 
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#3
01-16-2007, 04:31 PM
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Re: alternator noise
Check the idler and the tensioner pulleys also - often it. If the front bearing is whinning see if with the belt off (to test the pulleys) if and play and grating in the front bearings.
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