engine noise

2007 MAZDA 3
4 CYL • 2WD • AUTOMATIC
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JBAUMAN
  • MEMBER
  • 1 POST
my son's 2007 Mazda3 (automatic) has a high pitched squeeling noise when he turns it on. It stays on, as long as the engine is running. What might be going on?
Jan 20, 2011 at 11:44 PM
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FIXITMR
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 9,990 POSTS
probably a slipping belt or a bad bearing in the belt sytem somewhere. maybe the alternator bearings or belt idler pulley bearings. use a tube or auto stethescope to try and find it.
Jan 21, 2011 at 12:53 AM
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MAZDA_TECH_TORONTO
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  • 25 POSTS
serpentine belt and a/c belt
Feb 6, 2011 at 5:44 AM