TimC
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 posted on 17/7/05 at 12:16 PM |
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CBR1000 Rad/Fan switch - Urgent Help Needed!!
Can anyone tell me how to test the switch on the rad that should provide '-' and start the fan?
Cheers
[Edited on 12/8/05 by TimC]
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ReMan
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| posted on 17/7/05 at 12:28 PM |
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Unless you have reason to suspect it doesnt work, I wouldn't bother. Assume its good!
If you really want to test it, i'd clip your meter onto it, battery and bulb would do, then put it in a saucepan and bring it to the boil, see
when it switches on. Use a cooking thermometer to check temperature if you like?
If its a single connecter then its between connecter and body, if its 2 connectors then it will be across them.
[Edited on 17/7/05 by ReMan]
www.plusnine.co.uk
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TimC
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| posted on 17/7/05 at 12:42 PM |
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Is the car getting bloody hot and the fan not coming on reason enough?
Is it rare for these to fail?
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ReMan
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| posted on 17/7/05 at 12:55 PM |
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quote:
Originally posted by TimC
Is the car getting bloody hot and the fan not coming on reason enough?
Is it rare for these to fail?
Yes on both counts
You might have just been short of something to do
So with it all in situ and connected up you short out the thermoswitch with a bit of wire the fan works? If yes then test as above
BTW the action pics look great!
[Edited on 17/7/05 by ReMan]
www.plusnine.co.uk
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TimC
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| posted on 17/7/05 at 01:02 PM |
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Cheers! Will try to get some static ones up later once the chrome has been cleaned!
Yeah, fan runs with a wire from an earth.
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ReMan
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| posted on 17/7/05 at 01:05 PM |
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Has the fan EVER worked?
If its a single wire jobbie. it could be that you radiator isnt earthed?
I originally mounted mine on rubbers, insulated from the chassis, but with a 2 wire sensor its not a problem...
[Edited on 17/7/05 by ReMan]
www.plusnine.co.uk
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mad-butcher
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| posted on 17/7/05 at 01:38 PM |
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i think it was shortie who had a similar prob the other week turned out to be an air lock in the rad at the top were the sensor sits on an mk rad
tony
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TimC
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| posted on 17/7/05 at 05:52 PM |
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Yeah - it def' used to work. Rad is earthed so it must be the switch/sender.
Rad is original CBR one so no worries about air lock (switch is near bottom.)
Cheers
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shortie
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| posted on 17/7/05 at 09:45 PM |
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yep was me who had exactly the same problem.
I realised it was air in the top of the rad as I removed the switch and it was dry.
I fixed it by undoing the switch until it was just on the first thread and then fired the engine up and let it warm up until water started seeping out
the switch, then just tightened it up and now it works perfectly.
HTH,
Rich.
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TimC
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| posted on 12/8/05 at 11:07 AM |
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URGENT HELP NEEDED!
Hi All
Ok - Have car sat outside; bonnet and nose off.
Have replaced switch at cost of 50 quid....
and the fan still doesn't work!
Rad is earthed, the brass body of the switch has a good earth, but the switch doesn't turn the fan on! The blade connecter on the switch just
doesn't seem to earth!
Help!
TC
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lenny
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| posted on 12/8/05 at 12:48 PM |
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I got some cbr bits in the shed call me if you need it Lenny
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VinceGledhill
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| posted on 12/8/05 at 05:46 PM |
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Is the Rad from the bike that you are using in your car?
Sorry for jumping in on your thread, it's just that It is something I'm thinking about myself at the moment with mine.
Regards
Vince Gledhill
Time Served Auto Electrician
Lucas Leeds 1979-1983
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