cooling system question - 01 K12LTC - BMW Luxury Touring Community
 
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post #1 of 8 Old Jul 13th, 2010, 10:11 am Thread Starter
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cooling system question - 01 K12LTC

I think my cooling fans are not working, but not sure. At what gauge position do they come on normally? In hot weather, my gauge while riding reads just below halfway, then when I stop, it starts creeping up. I've seen it go to about 2/3rds, but have moved or shut down to prevent it going up farther. So the question starts with about where your fans come in, and then goes to testing procedure (the easy way).
Thank you very much for your time.

Jim Duffy
2001 BMW K1200LTC
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post #2 of 8 Old Jul 13th, 2010, 10:49 am
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Re: cooling system question - 01 K12LTC

Jim,
It isn't important, really, what the gauges show.. it depends on what temps the engine is hitting...

Here is a link to a post that shows the temps involved:
http://www.bmwlt.com/forums/showpost...2&postcount=12

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post #3 of 8 Old Jul 13th, 2010, 11:13 am Thread Starter
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Re: cooling system question - 01 K12LTC

So I'm prolly alright. I've never let it get anywhere near max on the gauge. Should I do it one time just to test the system?


Quote:
Originally Posted by cfell
Jim,
It isn't important, really, what the gauges show.. it depends on what temps the engine is hitting...

Here is a link to a post that shows the temps involved:
http://www.bmwlt.com/forums/showpost...2&postcount=12

Jim Duffy
2001 BMW K1200LTC
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post #4 of 8 Old Jul 13th, 2010, 11:58 am
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Re: cooling system question - 01 K12LTC

On mine, and I think this is the way the system is designed to work, the cooling fans come on at the little white mark just below the red line on the temp guage.

It is disconcerting to say the least but that's the way it was designed.

Mine runs down the road at just under half scale but if you whoa up at a light the engine will rapidly heat up. Summer, winter, fall, spring she will heat up. As soon as the needle hits the little magic white line the fans come on and she cools down quickly.

Sound like yours?

Loren

WAK1200LT
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post #5 of 8 Old Jul 13th, 2010, 1:40 pm
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Re: cooling system question - 01 K12LTC

Quote:
Originally Posted by Panhead_Jim
So I'm prolly alright. I've never let it get anywhere near max on the gauge. Should I do it one time just to test the system?
If you are like me, you want to know your hardware... and how it is to behave... so, yeah, I'd park and let it get warm enough to kick fans.

Once the fans kick, see how long it takes for it to turn fans off.

Then you will have an idea what to expect with out "freaking".

If you have one of those "infrared" sensors, it is easy to check the fluid temp

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post #6 of 8 Old Jul 14th, 2010, 10:39 am
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Re: cooling system question - 01 K12LTC

On my 99 the cooling fans come on only when the temp gauge is just shy of the red. It has been that way since I bought it new in 99. It often climbs to this level in hot weather and heavy traffic situations. I agree with the poster who suggested you park it and check the level at which your fans start.
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post #7 of 8 Old Jul 15th, 2010, 3:13 pm Thread Starter
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Re: cooling system question - 01 K12LTC

Thank you everyone for your replies. I can tell you without that ammo I would NEVER have let it climb that high. For whatever reason, I assumed that by 2/3 gauge, they would kick in. I am going to grit my teeth and let it warm up to the line and see. Again, thank you very much...

Jim Duffy
2001 BMW K1200LTC
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post #8 of 8 Old Jul 16th, 2010, 2:42 pm
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Re: cooling system question - 01 K12LTC

Sounds like exactly what mine does next door in Georgia.

Chris Ehlbeck
2002 BMW K1200LTE Toscana Green Retired with 85,391 miles
2014 BMW R1200RT Quartz Blue Metallic

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