THUMPING NOISE FROM UNDER DASHBOARD NEAR AC UNIT...

  • Tiny
  • Anonymous
  • 2006 CHEVROLET IMPALA
  • 125,000 MILES

Thumping noise from under dashboard near ac unit, used to only start thumping when ac came on, now it starts as soon as the door opens. Also won't hold a charge recently.
Thanks

Friday, February 1st, 2013 AT 3:26 PM

1 Reply

  • Tiny
  • Wrenchtech
  • EXPERT
  • 20,567 POSTS

That is most likely a stripped out air door actuator and the door is thumping against the stops.

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Friday, February 1st, 2013 AT 3:27 PM

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