2001 Mercury Sable Q&A
2001 Mercury Sable Question: no heat only cold air
If you replaced the blend door actuator it may have a relearn procedure. Check the hoses going into the heater core to be sure they are both hot after the car has reached running temp. This will let you know if you have a bloked heater core. - gmc4me
a/c stopped blowing cold at end of summer last year. now theres an occasional, obnoxious clicking racket coming from down by the floor board behind the a/c control panel that sounds like the teeth ...