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post #1 of 4 (permalink) Old Sep 27th, 2009, 8:23 am Thread Starter
Join Date: Nov 2008
Posts: 4
For Abs Unit

Hello to you all.

I have previously asked about problems with the ABS unit on a BMW 1200GT/12.2002.
I changed the unit with a used one, which worked fine for 5-6 months. Lately, without braking the sound of the unit functioning is heard and the brake light switches on by itself. I changed the rear brake switch and the same thing happens. The rear lamp is OK. The problem appears and reappears on its own a number of times in a row. So, I have brakes, the fault triangle does not go on -as if there is no problem- and also the ABS light blinks normally. Do you have any idea what might be going on and/or any suggestions about how to solve it?

Thank you.
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post #2 of 4 (permalink) Old Sep 27th, 2009, 8:33 am
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Join Date: Jan 2006
Location: Meredith, NH, USA
Posts: 1,511
I would take it to the dealer for this one...Not worth the worries and possible accidental brake application at speed...Your life is connected to those brakes
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post #3 of 4 (permalink) Old Sep 27th, 2009, 9:45 am
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Join Date: Jun 2009
Location: Burton, British Columbia, Canada
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Brake light coming on and servos running? There is a switch at the front lever , it could be defective/sticking. Also there is two small springs on the brake lever, they bring the lever back, if they are missing or broken the lever won't go all the way back and may cause the brake light and servos to come on intermitently.

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post #4 of 4 (permalink) Old Sep 30th, 2009, 4:20 pm
Join Date: Mar 2004
Location: , , UK
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The front lever micro switches are small, fiddly and a pain.

When the plastic sleeve bush in the lever pivot wears, the switches come on.

If you can wobble either the clutch or brake lever up and down, the sleeve bush has worn - cheap fix, but annoying.

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