2005 Pontiac Grand Prix Logo
Posted on Mar 10, 2011

My 2005 Pontaic Grand Prix is making a loud humming noise from the front end. Only when my car is moving. If the car is idling you don't hear it.

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  • Contributor 27 Answers
  • Posted on Mar 10, 2011
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Joined: Feb 23, 2011
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Sounds like it could be one of your hub bearings.

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