Cooling fan turns off with car
#1
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Cooling fan turns off with car
I've noticed the past couple of weeks the cooling fan isn't running when I shut my car off. I don't have any temp problems but even if I go out and run the hell out of it then park it the fan still doesn't stay on after shutdown. I've searched around and haven't found anything but noobs that freak out when the fan stays ON a few mins after shutdown.
#2
rev it up
I also have the same issue for a while now. I have moved the relays around and this did not help.
My fan is programmed to kick in at a lower temp however, like yours it may be running at full speed when I park the car however, it shuts off soon after the engine is turned off. If I turn the ignition back on the fan starts again and switches off when I turn the ignition off.
My fan is programmed to kick in at a lower temp however, like yours it may be running at full speed when I park the car however, it shuts off soon after the engine is turned off. If I turn the ignition back on the fan starts again and switches off when I turn the ignition off.
#3
Same issue here, lol. I didn't think much of it until I read this. I wonder if it is an issue or just that our cars are not reaching a temp that the fans need to stay on at?
Maybe the ambient temp has to be above xx degree's for it to engage?
Maybe the ambient temp has to be above xx degree's for it to engage?
#4
rev it up
It is supposed to cone on at a set temp and stay on until it cools down. In the past my fan would stay on for several minutes after the engine had stopped.
#6
weeeeeeeeee
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no, there's definitely either a programming difference or some subtle bug some of us experience. For example, 200.mph's fan will run for 3+ minutes after highway riding shutdown. Mine powers off moments after cutting the ignition, and I run hotter.
Mine has always been that way... kinda jealous I didn't get one that'll keep the fans running.
I've always assumed it was just a programming change after 2004... similar to how the older ATs won't show their gear in the digital readout in full auto mode.
Mine has always been that way... kinda jealous I didn't get one that'll keep the fans running.
I've always assumed it was just a programming change after 2004... similar to how the older ATs won't show their gear in the digital readout in full auto mode.
#7
Interesting that it is not a set interval. Mine will come on and stay on for quite a while if the engine temp is 207 or higher at shutdown. I have learned that in hot weather that the fans will cool the car at idle to about 203 before it begins to climb again. So I just shut it off at 203. I thought all the 8's did this...guess not.
#9
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I also have the same issue for a while now. I have moved the relays around and this did not help.
My fan is programmed to kick in at a lower temp however, like yours it may be running at full speed when I park the car however, it shuts off soon after the engine is turned off. If I turn the ignition back on the fan starts again and switches off when I turn the ignition off.
My fan is programmed to kick in at a lower temp however, like yours it may be running at full speed when I park the car however, it shuts off soon after the engine is turned off. If I turn the ignition back on the fan starts again and switches off when I turn the ignition off.
Last edited by 80CUofRAWHP; 06-17-2013 at 07:54 PM.
#10
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no, there's definitely either a programming difference or some subtle bug some of us experience. For example, 200.mph's fan will run for 3+ minutes after highway riding shutdown. Mine powers off moments after cutting the ignition, and I run hotter.
Mine has always been that way... kinda jealous I didn't get one that'll keep the fans running.
I've always assumed it was just a programming change after 2004... similar to how the older ATs won't show their gear in the digital readout in full auto mode.
Mine has always been that way... kinda jealous I didn't get one that'll keep the fans running.
I've always assumed it was just a programming change after 2004... similar to how the older ATs won't show their gear in the digital readout in full auto mode.
#11
My apologies for bumping this thread, but I'm having the same issue and want to see if I need to do more. I have a 2005 with a just-rebuilt motor (158k on the body) and a new Mishimoto rad/fan setup. I also have the Mazperformance fan control kit. Otherwise, it's stock ECU and such.
Everything I've read about the fans says they come on at 185 (for the kit) or 205-ish for stock. My temp gauge confirms this - the fans come ON correctly. The problem is, they aren't supposed to go off until temps drop below a certain threshold, right? Mine turn off less than 10 seconds after I key off, and the ACC trick doesn't work. Even leaving the key ON, the fans will go off after maybe a minute. But in almost all cases, the temp is still around 200. I don't like that one bit. Are there any conditions where the fans should remain on? Why do so many 8 owners complain their fans won't turn off? Thankies!
Everything I've read about the fans says they come on at 185 (for the kit) or 205-ish for stock. My temp gauge confirms this - the fans come ON correctly. The problem is, they aren't supposed to go off until temps drop below a certain threshold, right? Mine turn off less than 10 seconds after I key off, and the ACC trick doesn't work. Even leaving the key ON, the fans will go off after maybe a minute. But in almost all cases, the temp is still around 200. I don't like that one bit. Are there any conditions where the fans should remain on? Why do so many 8 owners complain their fans won't turn off? Thankies!
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