radiator fan not turning on? - Suzuki GSX-R Motorcycle Forums Gixxer.com
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post #1 of 23 (permalink) Old 05-07-2009, 05:58 PM Thread Starter
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radiator fan not turning on?

recently noticed my bike getting very hot when sitting in traffic and realized that my fan was'nt kickin on....There was no FI light coming on except when my bike got real hot, any ideas on what could be causing my fan not to turn on and/or what to check for? Also suggestions to fix the problem....BTW I ride a 05 600.......... Thanks

Last edited by alexambrose; 05-07-2009 at 06:03 PM.
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post #2 of 23 (permalink) Old 05-07-2009, 07:03 PM
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Re: radiator fan not turning on?

Cooling fan
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post #3 of 23 (permalink) Old 05-07-2009, 07:22 PM Thread Starter
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Re: radiator fan not turning on?

that thread you linked does'nt really tell me anything except what temp the fan kicks on for which my does'nt at all......Just trying to see if any other peeps have had this problem and what they did to fix it.....thanks
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post #4 of 23 (permalink) Old 05-07-2009, 08:03 PM
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Re: radiator fan not turning on?

check ur fuse under ur seat it might be faulty or popped
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post #5 of 23 (permalink) Old 05-08-2009, 05:36 AM
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Re: radiator fan not turning on?

The link I posted I wanted you to read the part about wiring the fan to kick on with a manual switch, its very easy to wire and if it doesn't kick on with the switch you know that your fan motor is gone
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post #6 of 23 (permalink) Old 05-08-2009, 06:02 AM
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Re: radiator fan not turning on?

The link I posted I wanted you to read the part about wiring the fan to kick on with a manual switch, its very easy to wire and if it doesn't kick on with the switch you know that your fan motor is gone
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post #7 of 23 (permalink) Old 05-08-2009, 07:32 AM
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Re: radiator fan not turning on?

I just went through this 2 weeks ago on 04 600. Turns out it was the fuse. If the fuse is fine, it is the thermo-switch in the radiator ($40) or the ECT sensor ($50). Hopefully its not the fan, which is alot more money. Start with the easy stuff first. look for the manual here. I know it was posted a while back.

Good luck
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post #8 of 23 (permalink) Old 05-08-2009, 08:23 AM
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Re: radiator fan not turning on?

when i bought my bike the the radiator was shifted to the left from being laid down. When you look you can see the radiator mounts are all twisted and bent to one side. This in turn bent the radiator inward toward the fan preventing the fan from spinning.

Try turning your fan by hand with your finger. See if it spins freely, if not, then investigate why it's not spinning freely.

Then do as others suggested. You can check your thermo switch by pulling the plug on the connector and shorting it out with a paper clip. If the fan kicks on, then your thermo switch is bad. If the fan doesn't kick on, you've got another problem.

If the temperature on your display looks correct, about 220F is when the fan kicks on, then it's obviously not your ECT sensor because it's working fine. You can see it on the LCD display.
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post #9 of 23 (permalink) Old 05-08-2009, 02:26 PM
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Re: radiator fan not turning on?

+1 with shorting out the fan, i tried to tell people that a few times and it seems like they think im an idiot for wanting them to short something out, either that they dont know what it means. I use to have my fan wired to a switch that shorted it out so i could turn it on when ever I wanted, I suggest the OP do this if the fan kicks on when shorted, its the cheapest and easiest fix.
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post #10 of 23 (permalink) Old 05-08-2009, 05:29 PM
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Re: radiator fan not turning on?

is it plugged in? maybe it got unplugged somehow....
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post #11 of 23 (permalink) Old 05-08-2009, 05:59 PM
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Re: radiator fan not turning on?

Not uncommon for a thermo fan to crap it. i lost mine when my 05 750 was about 1.5yrs old. Had it replaced under warrenty. Stoopid thing left me stranded xmas day 2007
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post #12 of 23 (permalink) Old 05-08-2009, 06:42 PM
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Re: radiator fan not turning on?

i wish i could ride x mas day.... booo
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post #13 of 23 (permalink) Old 05-08-2009, 07:14 PM Thread Starter
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Re: radiator fan not turning on?

ya it was a fuse for the fan I replaced it and now the fan kicks on, thanx for all the advice guys........
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post #14 of 23 (permalink) Old 05-09-2009, 12:22 AM
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Re: radiator fan not turning on?

Quote:
Originally Posted by 04gxxxr View Post
i wish i could ride x mas day.... booo
And i wish i could spend it with the family i dont have
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post #15 of 23 (permalink) Old 05-09-2009, 01:14 AM
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Re: radiator fan not turning on?

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Originally Posted by Shane750 View Post
Not uncommon for a thermo fan to crap it. i lost mine when my 05 750 was about 1.5yrs old. Had it replaced under warrenty. Stoopid thing left me stranded xmas day 2007

I rode around in july here in pa without the fan running for a few weeks. Just can't ride in the city because you have to stop alot., as long as you're on country or suburban roads, you're fine.
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post #16 of 23 (permalink) Old 05-09-2009, 02:33 AM
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Re: radiator fan not turning on?

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Originally Posted by gggplaya View Post
I rode around in july here in pa without the fan running for a few weeks. Just can't ride in the city because you have to stop alot., as long as you're on country or suburban roads, you're fine.
Yeah as long as it stays under 103deg cel then doesnt need to come on. Was living in brisbane at the time which is quite humid in summer so riding around town the thermofan would be running a lot of the time. Was a pain in the ass trying to keep it cool for a couple of weeks until the dealer opened after xmas. Had to shut it off at the lights n shit.

Incidentally the replacement fan is super quiet compared to the original one. Always paranoid that its not working lol
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post #17 of 23 (permalink) Old 06-01-2009, 08:40 PM
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Re: radiator fan not turning on?

I have a k5 1000 and when it gets to around 200 to 210 degrees it starts idleing really low and sometimes as soon as I go into 1st gear sitting at a light the bike cuts off. I know the fan isnt suppose to kick on untill about 220 or 225 but figured i'd ask if anybody has any ideas. thanks
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post #18 of 23 (permalink) Old 06-02-2009, 03:21 AM
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Re: radiator fan not turning on?

what is it idling at normally, and what is at at around 200 ?
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post #19 of 23 (permalink) Old 06-12-2009, 05:31 PM
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Re: radiator fan not turning on?

Quote:
Originally Posted by sanman96707 View Post
check ur fuse under ur seat it might be faulty or popped

wow ive been running without a fan for months and finally i googled the fan not turning on and this is the first thread that came up. im such an idiot for not checking my fuse but for damn sure that was my only problem. gdc saves me money once again.
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post #20 of 23 (permalink) Old 10-02-2014, 08:41 AM
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I have a 2005 suzuki gxsr and this is the prob I'm having... My fan is not turning on at all.. My turned bike on and let the temp go up pretty high to see if it wld kick on. Got up to 245 and no fan so I turned off bike. I've checked fuse which is good.. Just all connections with tester and I'm gettin power. So wld this be a bad FAN motor possibly? I also took out thermostat and checked it and it opened at 210 degrees! Temp usually goes up when I'm stopped and then coolant starts to leak... Any help is good help!!!
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