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mike

mike 12/25/2012

2009 Mazda CX-9 Sport 2 Cyl 0.4L

Engine

Engine is making a high whiny noise

High pitch whine upon acceleration

1 Answer


Jimm

Jimm 12/25/2012

Several possibilities; faulty / worn drive belt tensioner, faulty / worn / slipping drive belt, faulty / worn alternator, water pump, power steering pump bearing. Open the hood and with the engine in Park or Neutral - listen for the source of the sound.

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