installed new thermostat, flushed radiator, still overheating - TCCoA Forums
 
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post #1 of 11 (permalink) Old 01-27-2006, 10:51 PM Thread Starter
 
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installed new thermostat, flushed radiator, still overheating

im pretty sure it is my fan cause when i got off the highway today i noticed my temp was going back up and my fan wasnt kicking in. what could be the cause of this a burnt out fan? is there a fuse that could of gone?
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post #2 of 11 (permalink) Old 01-27-2006, 11:00 PM
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Park your car and turn the defrost on, your fan should kick on automatically. Have you taken into account the possibilities for air bubbles?

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post #3 of 11 (permalink) Old 01-27-2006, 11:09 PM Thread Starter
 
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no im prety sure its the fan cause ive done that haveing my defrost on and not hearing the fan or noticing a voltage drop
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post #4 of 11 (permalink) Old 01-28-2006, 12:43 AM
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yeah, check the wiring on the fan, and the fuse (not sure if there is one or where it is as i've never had to check it). could just be a loose wire, or your fans shot. DO MAKE SURE YOU GET THAT FAN RUNNING BEFORE YOU DO ANYMORE DRIVING. we had a guy in houston here blow his headgaskets cause his fan quit and he didnt know it.
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post #5 of 11 (permalink) Old 01-28-2006, 03:30 AM
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You can rule out the fan motor by taking a volt-meter or a test light between the wiring harness and a ground point. If you get voltage when the fan should be on, the fan's shot. If you get no voltage, it's a wiring/fuse issue

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post #6 of 11 (permalink) Old 01-28-2006, 08:06 AM
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if you have power to the fan, the 9 out of 10 isthe ccrm is bad

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post #7 of 11 (permalink) Old 01-28-2006, 09:52 AM Thread Starter
 
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ok turned on car this mourning, turned on defrost and fan came on. drove to work today no problem at all? falcon what were you saying about air bubles?
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post #8 of 11 (permalink) Old 01-28-2006, 10:25 AM
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Originally Posted by DeeDeeArrGuy
falcon what were you saying about air bubles?
You might have an air bubble in the cooling system after you refilled it.

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post #9 of 11 (permalink) Old 02-01-2006, 04:59 PM
 
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i'm guessing the fan motor he's talking about isn't pushing the air into your car. it's the fan connected behind your radiator. it's hooked up inside a housing which you have to remove for replacement ($100). Chances are the cold air from normal driving is cooling the engine oil temperature just enough. idle or slow moving traffic might cause more of a problem.
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post #10 of 11 (permalink) Old 02-01-2006, 09:16 PM
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XR71ST, his fan behind the radiator is working, he said he checked it in an earlier post. Sorry to take so long to reply Dee, but what I meant is that air rises, so when you get your cooling system x full, there's going to be air bubbles in places, which won't get pushed out until the car is running. If/when they get pushed out slowly on their own, there's more room for more coolant to go in

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post #11 of 11 (permalink) Old 02-02-2006, 08:56 AM
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just leave your rad cap off, turn the car on, and the bubbles should come right out. You might have a little bit of a mess too. if it gets low by doing this, just fill it

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