How to remove the fans & ducts? - BMW Luxury Touring Community
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post #1 of 4 Old Nov 4th, 2007, 4:13 pm Thread Starter
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Location: Hyvinkää, , Finland
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How to remove the fans & ducts?

Hi guys,

A friend of mine needs to strip his -99 LT quite thoroughly and he got stuck in removing the radiator fans & ducts.
I have never gone that far so I could not give him any advise.

The manuals (BMW and Clymer) just boldly say that "remove the fans" but it seems that in reality removing the visible and obvious screws the ducts still will not come off.
Are there some special tricks to this?


Ari "the Farkle-Freak-Finn" Ignatius

Hyvinkää, Finland
2004 ('05) LT, Dark Graphite, "Sunset Cruiser II"

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post #2 of 4 Old Nov 4th, 2007, 4:20 pm
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Location: Rancho Mirage, CA, USA
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Lightbulb Removal of ducts....


I've removed the ducts but not the fans. The ducts are held in place with 2 screws which are fairly obvious. However, removing the ducts requires moving a plastic finger type latch and pulling, yanking to get the darn things out. This plastic latch is on the motor-side of the duct, which makes it a pain to get at.

Sorry I can't be of further help.


Tom Becker
Rancho Mirage, CA 92270

2003 Titan Silver LTE "Cantabile"
2001 Black R 1150 GS

IBA (SS1000, B2B-36)

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post #3 of 4 Old Nov 5th, 2007, 8:04 am
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Location: St. Louis, MO, USA
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I've only removed the left duct but remember having trouble with the electrical connection/wiring for the fan. I think the wire ran from the fan along the inside the duct and then exited through the side of the duct to the main harness connector. And the screw on the bottom was a socket head (3mm ?), not a X-point.

Bill McAllister
St. Louis, MO.
2003 K1200LTE
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post #4 of 4 Old Nov 5th, 2007, 8:20 am
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Location: Winnebago, IL, USA
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Fan and radiator removal

Hi Ari,
on my 02 I removed both fans and radiators and remember it is a slow job.
As stated it is easier to remove the air ducts first.

Then on top of both radiators there is an E-Clip that holds the radiators to the frame. These can be a pain to get to without loosing them.

I also believe there is the same style clips on the inside of both radiators.

These e-clips fit over a plastic nipple that slides through a rubber grommet.

Once all of these are removed it takes some careful wiggling to get the radiator fan assemblies out of the frame.

I believe there was also at least two hoses to each radiator. One also has the vent tube next to the radiator cap. This was also a challenge to access.

Pay close attention as to how they are removed since you will have to reverse this process when reassembling the bike.

I don't remember if it was the Clymer manual or the factory manual that gave reasonably good instructions are where all of the fasteners are located. If you need more info send me a PM and I will try and remember to look at my books and possibly send you some pictures or pages showing the details.


NOTE: If all else fails you must curse in German

Roy Gregersen

Ride Slow, Ride Fast, Always Ride Safe
85 K100RT sold
02 LTC DOA 9/21/14
12 R1200RT
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