2003 Ford Explorer Been Having Problems Wit Heater Turn Tempture Control Form

2003 FORD EXPLORER
161,000 MILES
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i been having problems wit my heater when i turn the tempture control form cold to heat i hear a knocking sound but it dont blow heat
Dec 13, 2012 at 6:54 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
Check the blend air door actuator. It sounds damaged or stuck.
Dec 13, 2012 at 6:59 PM
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