No heat, full coolant

Tiny
GRIM REEFER
  • MEMBER
  • MERCURY
My coolant is full in both the resevoir and the radiator. Heat worked fine one day, then the next did not. Nothing but cool air comes out. I felt the hoses going into the heater core and both are hot (meaning there is fluid circulating through the core). I have half of the dash apart, but still cannot find where the flap would be to switch it over to heat (assuming the hot - cold VR knob is not functioning). Also, the temp guage is a bit irradic. Any ideas?
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Saturday, October 21st, 2006 AT 8:01 PM

2 Replies

Tiny
GRIM REEFER
  • MEMBER
No ideas?
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Sunday, October 22nd, 2006 AT 6:07 PM
Tiny
MECANICO
  • MEMBER
Have you take a look at the termostat?
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Monday, October 23rd, 2006 AT 11:48 AM

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