02 lt running hot - BMW Luxury Touring Community
 
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post #1 of 11 Old Apr 21st, 2014, 7:00 pm Thread Starter
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02 lt running hot

Well today is the hottest day I have ridden the lt since I bought it in January. 81degrees is no scourcher.. took ride after work about 20 miles. While at speed it seem to be about the right temp but when I got into town and traffic it got pretty hot... never into red.. I checked and fans did come on..
I recently changed all oil...engine,trans,finaldrive
I had all the plsstic off and removed fuel tank to replace the fuel line quick couplers. While doing all that I took off the radiator cap to test the antifreeze, it was fine. I remember the cap was super to get off.

As bike was cooling down in drive way I could hear water moving to the overflow tank under the seat.
Any ideas?
I am hoping the cap needs to tighten.. dont know if I can get to it without taking off the left side plastic.
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Unclebud in TX
Plainview TX
2007 Kawasaki KLX300r (dirt days)
1969 HONDA TRIAL 90 ( miles of smiles)
200? Unigo ( AKA The Pig)
2002 K1200 LT (AKA Nicci )
2004 Bushtect Roadstar (AKA Elli)
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OTHER BIKE I HAVE OWNED
2004 R1150 GS (crashed) (AKA GRAY WOLF)
2004 R1150 RT ( Sold) (AKA SILVER BULLET)
1981 KAWASAKI KZ1000ST (SOLD)
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post #2 of 11 Old Apr 21st, 2014, 7:13 pm
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Re: 02 lt running hot

Like all modern cars the fan only kicks in when the radiator is completely hot and cannot absorb any more heat, that is what the temp gauge is showing, the fluid in the system flows in and out of the overflow as required by expansion and contraction. If your rad cap fails she will boil because the motor is kept at 235 degrees and cap pressure stops it from boiling. As long as the level in the overflow under the seat is at the correct level when COLD you should be OK

Gary
2018 R1200RT
Past rides
2012 K1600GTL
2000 K1200LT
1992 K1100LT
2000 V Star 650/Velorex sidecar
1985 K100RT
1965 R60/2
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post #3 of 11 Old Apr 21st, 2014, 7:59 pm Thread Starter
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Re: 02 lt running hot

Interesting thing I just noticed.. I was reading the operators manual, it says to open the left sidecase to check the coolant in overflow tank... mine is solid.. it has an outline like a place to cut out a window...

I wonder how many were never cutbout?

Unclebud in TX
Plainview TX
2007 Kawasaki KLX300r (dirt days)
1969 HONDA TRIAL 90 ( miles of smiles)
200? Unigo ( AKA The Pig)
2002 K1200 LT (AKA Nicci )
2004 Bushtect Roadstar (AKA Elli)
2014 R1200GSA (AKA FreeBird)

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OTHER BIKE I HAVE OWNED
2004 R1150 GS (crashed) (AKA GRAY WOLF)
2004 R1150 RT ( Sold) (AKA SILVER BULLET)
1981 KAWASAKI KZ1000ST (SOLD)
1991 HARLEY SPORTSTER 883 (SOLD)


The flogging will continue untill morale improves!
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post #4 of 11 Old Apr 21st, 2014, 8:06 pm
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Re: 02 lt running hot

I find the cutout useless, open drivers seat and use flash light to see level

Gary
2018 R1200RT
Past rides
2012 K1600GTL
2000 K1200LT
1992 K1100LT
2000 V Star 650/Velorex sidecar
1985 K100RT
1965 R60/2
1960 AJS 500 single
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post #5 of 11 Old Apr 21st, 2014, 8:07 pm
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Re: 02 lt running hot

Quote:
Originally Posted by UNclebudintx View Post
Interesting thing I just noticed.. I was reading the operators manual, it says to open the left sidecase to check the coolant in overflow tank... mine is solid.. it has an outline like a place to cut out a window...

I wonder how many were never cutbout?
Tells how thorough the dealer prepped that bike. Shouldn't have left the factory that way, but also shouldn't have gotten past the dealer prep checkout.

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post #6 of 11 Old Apr 21st, 2014, 8:13 pm
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Re: 02 lt running hot

As long as the fans comes on near the red it's normal. The LT runs a little hot.

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post #7 of 11 Old Apr 21st, 2014, 9:16 pm
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Re: 02 lt running hot

Here are the numbers. Just make sure BOTH fans come on at the same time. The cap is a b**ch to get off but it should be easy to get it tight once it is on and over that point.
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John
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2009 R1200GS (Gone)
2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
2004 330 Ci Convertable
K4AN

Have ridden a Motorcycle in all 48
But lack DE, MA, RI and CT with the 2005 LT

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post #8 of 11 Old Apr 21st, 2014, 10:25 pm
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Re: 02 lt running hot

If I recall correctly, the difference between 1/2 gauge and just below red is only 15 (ok, 20) degrees. As long as the fans come on before it gets into the red and it cools back down, what you see is normal.


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post #9 of 11 Old Apr 22nd, 2014, 12:45 am
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Re: 02 lt running hot

Sounds / seems normal. It is not like a car where the thermometer is always "stuck" in the middle of the scale

Born to be wild so why not

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post #10 of 11 Old Apr 22nd, 2014, 7:16 am
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Re: 02 lt running hot

Quote:
Originally Posted by C-A-D View Post
Sounds / seems normal. It is not like a car where the thermometer is always "stuck" in the middle of the scale
Aren't computer controlled gauges wonderful?

2017 KLR650 "Mule"
2007 K1200LT "Starship Enterprise", VOICE II, Navigator V, Motorrad Communicator
1987 Kawasaki Voyager XII
1976 Kawasaki KH400
1973 Kawasaki 100 G5
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post #11 of 11 Old Apr 22nd, 2014, 8:57 am
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Re: 02 lt running hot

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Originally Posted by C-A-D View Post
Sounds / seems normal. It is not like a car where the thermometer is always "stuck" in the middle of the scale
Every car I have had since the 80' s has acted exactly the same as the LT in warm weather stop and go traffic as long as the ac is off, the ac keeps the electric fans running all the time. My new to me 08 fusion seems to have a variable speed electric fan so the needle on the guage does not go as high as earlier vehicles. The LT guage does have a wider range of movement once past centre.

It is hard to hear what the electric fan on your car is doing, most car fans are very quiet when running and not noticeable but are doing exactly what the LT fan is doing.

We do get some very hot humid days in summer and in stop and go rush hour traffic there have been times when I have wondered if the fans on the LT were going to cycle off

Gary
2018 R1200RT
Past rides
2012 K1600GTL
2000 K1200LT
1992 K1100LT
2000 V Star 650/Velorex sidecar
1985 K100RT
1965 R60/2
1960 AJS 500 single
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