Re: ABS Light On

["Chief Goblin" <chief_goblin@xxxxxxxxxxx>]

>Perhaps not the wheel balancer's fault - just coincidence as its >kinda 
hard
>to hit those just removing the wheels.  The ABS sensors are imbedded 
>in the
>back of the hubs and typically get a magnetic build-up of loose 
>particles
>on them over time. Maybe buzzin' the wheels on and off caused some
>additional debris to float into the sensor.  Most of the time you can
>easily remover the sensor, clean it off and pop it back in then all >is 
fine.
>
>Duane Collie

This is the second time I am reading this advice. IT WILL NOT WORK. ABS 
Sensors do not work that way. If you do simple math calculation, In 
order of magnetic practicles to affect the sensor, the amount of 
magnetic parcticles must be above .5 pounds!!!  (At least for BMW 
Sensors) When I had the problem with ABS Sensor, I red a whole bunch of 
material on that subject. No one is even suggesting doing that. If this 
suggestion helped someone, that is only because when they removed the 
sensor for "cleaning", they restored a loose connection in a wire that 
goes from the sensor to the box. 
Think about it. ABS sensor is a fairly powerful magnet and a coil, how 
many parcticles does it take, to absorb 50-60% of the magnetic force 
from that magnet?? Easy to calculate, if you know magnetic force 
constant for a particular magnet and a mass of the magnet.

Mik 

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