my 1994 jeep only blow cold air?

  • Thread starter Thread starter dzapata z
  • Start date Start date
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dzapata z

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my 1994 jeep only blow cold air i check the fluid all full went i put the heat on low a little heat come
how can i fix the ploblem
 
thermostat could b bad or the heater control valve.........those are the 2 most likely....next would b heater core clogged ...next would b the door mechanism is broke or non-functioning....its either a cable or a vacuum tubing set up.........could also b the control panel is bad........

so trouble shoot in that order......

*o yea btw if ur water to anti-freeze mixture is not correct it can make it cold....but that's not very likely
without other problems like a frozen block

**if u just got this vehicle heater core may b by-passed cas it leaks......but i doubt it...
 
Heater core could be clogged ,T stat could be stuck open or your damper door could be jammed not opening in the proper position.
 
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