Question about 1997 Mercury Mountaineer
Regardless of where the hot/cold (red/blue) dial is set, or which vent setting (defroster, upper vent or lower vent) the air coming through the vents is really HOT! We thought it was the control panel and replaced it with another one from a used parts store, but nothing changed. This wasn't such a big deal in the winter when it was cold and I wanted hot air blowing, but now that it's warm, this has to be fixed soon. Any ideas? Anyone have a preference for "best" repair manual that includes vacuum lines and electrical? Thanks!
Check your vent doors in your dash it appen to my f 150 and closeing them helped from pulling heat from the motor
Posted on Apr 30, 2013
Testimonial: "Thanks. Are you saying it could be stuck open and needs to be replaced or that you just stopped the hot air by closing yours manually?"
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Posted on Jan 02, 2017
needs re-gassing because one line should be hot (feed) and the return cold , This is a specialist job do not attempt to do it yourself because its extremely dangerous with very high pressures involved
Posted on Jun 21, 2009
the selection is done by a flap in the duct which is controlled by a rod or vaccum . the flap may be stuck, the rod bent broken or disconnected.vaccum blocked, crimped or disconnectd. the glove box comes out, that might help access
Posted on Jul 27, 2009
The hot/cold switch is probably bad.you have a blend door box that opens to let the cold air in and closes to let the hot air in.From what you are saying this part is no responding to the switch movement.Make sure power is at the switch and power should go through the switch when put on cold air this moves the blend door.Some times the blend door goes bad and has to be replaced its under the dash on the right side.
Posted on Aug 10, 2009
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