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Moninger 5/22/2010
2007 Mazda 5 Sport 4Cyl2.3L - Body & Interior
When I turn the A/C on, there is vibration...noise and the dash area. Higher the fan setting, louder & faster.
2 Answers
  • Spoon Sports
    Spoon Sports 5/6/2011
    The only thing that came to m y mind is a loose/malfunctioning blower motor
  • HouseCallAuto
    HouseCallAuto 5/6/2011
    Something fell into the defroster that was on the top of the dash and it worked it's way down to the blower motor through the ducts. Remove the blower motor and you will find this thing that you did not even know was missing.

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