HEAT WORKS WHEN CAR IS MOVING

  • Tiny
  • Anonymous
  • 2002 BMW X5
  • 140,000 miles

Heat works when car is moving. When come to a stop in traffic or idling in park, cold air blows out. Heat starts again once car begins to move (or when idling and hit the gas to increase RPMs).

Wednesday, November 7th, 2012 AT 3:26 PM

1 Reply

  • Tiny
  • mekanic4755
  • Expert
  • 86 posts

Check for correct blower operation, if that is ok, check for a vacumn leak on passenger side of firewall going into thea/c heater box. Thanks for using2CarPros

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Wednesday, November 7th, 2012 AT 4:09 PM

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