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Old 02-19-2013, 11:13 AM   #1
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Problem with car overheating.

Could somebody help me solve this problem? I had my thermostat and temperature sending unit replaced and now my fan won’t work and my car overheats. The only time my car will not overheat is when the sending unit is unhooked, and then the fan will start working. It’s like completely backwards. I’m going to take it to a ford dealer tomorrow, but I wanted to ask you guys and see if you have heard of anything like this before.
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Old 02-19-2013, 02:01 PM   #2
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Quote:
Originally Posted by mustangmar2001 View Post
Could somebody help me solve this problem? I had my thermostat and temperature sending unit replaced and now my fan won’t work and my car overheats. The only time my car will not overheat is when the sending unit is unhooked, and then the fan will start working. It’s like completely backwards. I’m going to take it to a ford dealer tomorrow, but I wanted to ask you guys and see if you have heard of anything like this before.
I'd guess with the unit unhooked its stuck in a closed loop allowing the fan to come on for safety reason (if failure occurred). I'd bleed the air out of your coolant and replace the unit again. Theyre like 10 bucks right?
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Old 02-20-2013, 02:03 AM   #3
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Your problem is with a connection or signal going to the PCM telling it to turn the fan on u could just get a derale adjustable fan controller from summit and wire it directly in to the factory wiring and adjust the temp u want it to come on only cost like 30 bucks great product used one on my 308 carb swap in my 99 v6 35th anniversary car I just finished man
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Old 02-20-2013, 11:45 PM   #4
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stupid question, and im not saying it to knock on you, but did you replace them correctly or did you have them reversed in order? like i said its not to offend you but its a dumb question that needed to be asked. once again im sorry but some questions have to be asked since its possible to do something like this, i.e. i did this before lol
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