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06-10-2012, 03:36 PM
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#1 |
 Drives: 2007 Yaris Join Date: Feb 2012
Location: New Hampshire
Posts: 5
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07 Yaris screach
My 07 Yaris hatch back has a loud, high pitched screach only when the car is first started. I have installed a new serp belt and it is pretty tight. The noise is ONLY when starting, not continuous. Any suggestions???
Thanks 
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06-11-2012, 12:00 AM
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#2 |
 
Drives: 07 Yaris sedan Join Date: Jun 2007
Location: Keremeos BC
Posts: 986
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Water pump, alternator, anything driven by the serpentine, check for free rotation of these components. If any of them are tight, that will cause the screech; new bearings will cure the problem if properly installed. Bearings will howl when cold, then quiet down as they heat up...
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06-11-2012, 12:50 PM
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#3 |
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Drives: 2007 Toyota Yaris Sedan Join Date: Jun 2012
Location: IL
Posts: 14
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Mine will do this too. I'm not quite sure what it is, but I think it just picks and chooses when to screech, since ive heard it when its warm and freezing out.
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