2005 Ford Expedition

Tiny
HARRY54
  • MEMBER
  • 2005 FORD EXPEDITION
  • V8
  • 2WD
  • AUTOMATIC
  • 60,000 MILES
My heater will blow hot air on the driver side but cool air on the passenger side.
Friday, January 29th, 2010 AT 9:50 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
You are looking for a vacuum leak. Check under the dash for broken, damaged or disconnected hoses. The vent doors the direct the air are actuated by vacuum. My guess is one isn't working due to a lack of vacuum. With the engine running, you may actually hear a hissing sound from the leak.

Let me know if you have other questions.

Joe
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Monday, February 1st, 2010 AT 10:46 AM

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