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Join Date: Aug 2005
Location: East Bay, Ca
Posts: 104
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Radiator Fan-Always On: What's the Fix?
I have a radiator fan that is on whenever the ignition/engine is on. What is the potential cause? I thought I'd read a bad sensor could cause this somewhere...any ideas?
Thanks.
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1987 924S 2000 Camaro Z/28 |
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11-15-2005, 11:36 PM
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Join Date: Apr 2005
Location: Ontario, Canada
Posts: 4,554
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yup.. one fan is supposed to come on whenever the key is in the 'on' position, or the engine is running.... the other fan kicks on for the AC, or if the temp gets to be too hot..
I believe that's all true... someone will jump in and maul me i'm sure if i'm incorrect. lol
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Kyle 2008 Mini Cooper // '83 Porsche 944 // '01 Mazda Protege [sold] // "Never break more than you fix!" - SoCal Driver |
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11-15-2005, 11:38 PM
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Location: Ontario, Canada
Posts: 525
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I'm working on an overheating problem and noticed a few things. If I turn my air on, both fans come on always. Second- When my temp gauge hits the second bar, both fans come on. This is contrary to my other cars were one is dedicated to the engine temp and the other is for the A/C. What the!!?
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87 924S 107k (miles) yellow 1969 Firebird Coupe (Full frame off restoration.) 98 BMW 740i 2020 Subaru Outback and 2019 Crostrek. |
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11-16-2005, 05:20 AM
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Location: Ontario, Canada
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hey paul... i believe that's normal operation (not that I'd know because only one of my fans is connected..... lol)
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Kyle 2008 Mini Cooper // '83 Porsche 944 // '01 Mazda Protege [sold] // "Never break more than you fix!" - SoCal Driver |
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11-16-2005, 09:23 AM
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Join Date: Dec 2004
Location: DC
Posts: 177
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I might be wrong but I thought if the fan was constantly on that you have a bad thermo switch? They're really easy to change out. It sounds like hpaulb has got the lower temp thermo switch in his car. I would go with the 92* I believe it is which is the 3rd bar on the temp gauge. My main fan comes on when the car gets too hot and the a/c fan comes on when I turn on the a/c. That's the way it works on my 84 anyways.
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11-16-2005, 02:28 PM
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Join Date: Apr 2005
Location: Ontario, Canada
Posts: 4,554
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first of all, i only have 1 fan connected... the drivers side fan.. the other one has all the blades broken off - got a replacement.. just need to find the time to swap it out.
the fan comes on and runs when the car is on.... and will speed up to it's faster speed when the car gets too hot.... when u turn the car off the can slows down again until the temp drops, then it shuts off entirely.
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Kyle 2008 Mini Cooper // '83 Porsche 944 // '01 Mazda Protege [sold] // "Never break more than you fix!" - SoCal Driver |
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11-16-2005, 09:16 PM
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