S-Class (W126) 1979-1991: 300 SE, 300 SEL, 380 SE, 380 SEL, 420 SEL, 500 SEL, 560 SEL, 360 SEC, 500 SEC, 580 SEC, 300 SD TURBODIESEL, 300 SDL TURBO, 350 SD TURBO, 350 SDL TURBO

ABS problem PLEASE HELP!!!

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Old 06-06-2009, 08:20 PM
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1991 420SEL & 300E, 2003 BMW X5, 2001 740iL all on DUBS
ABS problem PLEASE HELP!!!

ok this is the situation yesterday i insulted a new set of rims on my 420sel, when i removed the old rims i noticed that my rear passenger side caliper and both rear rotors were rusted. i proceeded to scrub all the rust off that was visible and spray paint the caliper and parts of the rotor that do not come in contact with the brake pad. i noticed that in this process i got a little spray paint on the rotor that comes in contact with the brakes but did not think twice about it because i though it would rub off any way.

NOW THIS IS THE PROBLEM! every time i hit my brakes my car slows down normally until i get close to coming to a full stop then i feel a pulsation from the ABS kicking in right before i stop! IT DOES THIS EVERY TIME I HIT THE BRAKES! Is this all happening because i got some paint on the rotor? HELP!!
Old 06-08-2009, 01:42 AM
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1991 420SEL & 300E, 2003 BMW X5, 2001 740iL all on DUBS
wow... thanks for the help
Old 06-08-2009, 11:18 AM
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1991 560SEC Teal 1989 420SEL Ice Blue 1984 500SEC White
Did you get the paint off of the rotor?

You might have compromised the caliper and got paint where it shouldn't have been.

Check for the calipers not expanding from paint build up.
Old 06-08-2009, 02:56 PM
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1991 350SDL, 2006 E320CDI, 1999 F250 7.3L Crew Cab 4X4
You probably have 1 or both ABS sensors that are "dirty" and need to be cleaned. This or a failed sensor will give the same feeling you are having as you slow down and just about come to a complete stop. The pedel will pulsate and then go close to the floor.
Old 06-08-2009, 08:57 PM
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1991 420SEL & 300E, 2003 BMW X5, 2001 740iL all on DUBS
i think i might have got paint on the sensors cause they were working perfectly before the paint job. thanks
Old 06-08-2009, 11:09 PM
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1991 420SEL & 300E, 2003 BMW X5, 2001 740iL all on DUBS
Where are the ABS sensors located?
Old 06-09-2009, 10:33 AM
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1991 560SEC Teal 1989 420SEL Ice Blue 1984 500SEC White
on the back side of the wheels for the front, and the rear is in the rear differential.
Old 06-12-2009, 02:45 AM
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1991 420SEL & 300E, 2003 BMW X5, 2001 740iL all on DUBS
where is the ABS relay located?
Old 06-12-2009, 10:45 AM
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In the bulkhead center with a large cable coming off of it.
Old 06-23-2010, 12:35 AM
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380 SL/ 240D stick/ 420 SEL
Exclamation

Originally Posted by BENZITCH
In the bulkhead center with a large cable coming off of it.
remember to change your brake fluid every year!! GRIMSTONE.

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