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1993 Ford F-150 HEATING PROBLEM

Tiny
BUTLERKJ357
  • MEMBER
  • 1993 FORD F-150
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 176,129 MILES
HELLO I RECENTLY BOUGHT THIS 1993 FOR F-150 EVERYTHING WORKS GREAT EXCEPT THE HEATER/AC WHEN I TURN THE HEATER ON EVERYTHING COMES ON LIKE IT SHOULD THE TRUCK WILL BLOW AIR OUT IN THE SELECTED PLACES AND THE RIGHT AMMOUNT BUT THE AIR IS JUST THE SAME TEMPERATURE AS THE AIR OUTSIDE NOT HOT WHEN THE HEAT IS ON OR COLD WHEN THE AC IS ON. PLEASE HELP!
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Thursday, December 4th, 2008 AT 9:31 AM

3 Replies

Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
Sounds to me like you have an inoperative blend door, it is located in the air duct right by the heater core.
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Saturday, December 6th, 2008 AT 8:22 AM
Tiny
BUTLERKJ357
  • MEMBER
  • 1 POST
I ACTUALLY TOOK OFF THE HEATER HOSES RUNNING TO THE HEATER CORE SINCE NEITHER WAS GETTING HOT AND FOUND THAT THE ENTIRE SYSTEM WAS PACKED FULL OF RUST SO NOW I AM REFERENCING THE "REPLACING A HEATER CORE" TREADS. THANK YOU FOR THE RESPONSE THOUGH I WILL POST AGAIN WITH HOW IT GOES
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Saturday, December 6th, 2008 AT 8:19 PM
Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
Wow, thats not good, definetely would cause that.

Post back how it goes. Be careful since its winter when your flushign it out.
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Sunday, December 7th, 2008 AT 7:12 AM

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