heater problem
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New User
Joined: Jan 2006
Posts: 1
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heater problem
Hi, first time user here. I have a 1990 f150 4wd w/5.0 in it. The heater in it used to cook me, now I cannot get any heat. I put in a new thermosthat, BOTH heater hoses are very hot to the touch, top rad hose is hot (had the heater core flushed) yet when I turn it on I get cool air out of the defroster, and luke warm heat at the vent. The water level is topped off. If I flip the lever to A/C it gets really cold, showing that that is working! I am stumped!!!!!!!! ANY SUGGESTIONS?
New User
Joined: Jan 2006
Posts: 7
Likes: 0
Heater Resolution
It sounds like some fell in the defrost vents and is jamming the door. I had the same issue (no heat) and when I opened the heater up, I found a pen jamming the door open. It did not affect the control portion at all.
FTE Leadership Emeritus
Joined: Jan 2003
Posts: 161,999
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From: 3rd Rock
...Welcome lawson#1 and tgast, to Ford Truck Enthusiasts!
We are happy you have chosen the best source for Fords!
Enjoy FTE....and
JOIN CLUB FTE -SUPPORT THE FORUMS!
…..See you on the boards.
We are happy you have chosen the best source for Fords!
Enjoy FTE....and
JOIN CLUB FTE -SUPPORT THE FORUMS!
…..See you on the boards.
