• Tiny
  • fish419
  • Mercury Sable

1999 Mercury Sable 3.0 My heater is only blowing cold air. I changed the thermostat and flushed the heater core. When my engine is hot the in hose is hot and the out hose is cold coming out of the heater core. I cant check the heater control valve because I dont no where it is.
I hope you can help

Friday, January 19th, 2007 AT 6:14 PM

1 Answer

  • Tiny
  • rlmorrison
  • Member

Check to see if you have something in the back part of your glove box. I thought that was a strorage area for my car manual and paperwork. It was blocking the flow of air. My mechanic cleaned all my debri out and the heater worked fine.

Was this
Tuesday, January 23rd, 2007 AT 8:40 PM

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