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  #1  
Old 04-24-2003, 05:46 PM
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Flex disc

I hear talk about checking this piece, to trying to narrow down the cause of this vibration problem that I am having. Where is this located and how can I tell if it is bad?
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  #2  
Old 04-24-2003, 06:30 PM
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It is sort of Mercedes' answer to U-joints. Look on either end of the driveshaft and you can tell if the material is degraded or missing.
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  #3  
Old 04-24-2003, 07:57 PM
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This is how it looks...
Attached Thumbnails
Flex disc-rear-flex-disc2.jpg  
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  #4  
Old 04-24-2003, 09:54 PM
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Imagine, he had to flip the car over to take that pic!
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  #5  
Old 04-24-2003, 11:17 PM
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what is that line?

What is that line coming out of the differential? I have one too but it's cut and just hangs there like that, do I need this for something? I thought of it to be a breather hose of some sort but it's dry so I don't think so anymore.

xp
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  #6  
Old 04-24-2003, 11:23 PM
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xp,
the Line is a sensor for speed pickup or rpm pickup can not remeber exactly.
m
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Last edited by mhingram; 04-24-2003 at 11:33 PM.
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  #7  
Old 04-24-2003, 11:53 PM
Jackd
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It is the rear wheels ABS sensor.
JackD
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  #8  
Old 04-25-2003, 12:02 AM
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sho nuff wished my flex disk looked that good.............
William Rogers.......
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  #9  
Old 04-25-2003, 12:34 AM
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I'm glad you like my flex disc ... upside down...

Reinhard Kreutzer
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  #10  
Old 04-25-2003, 01:22 AM
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thanks jack you are right on the part number is 126 540 32 17 it is the abs speed sensor.
m
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  #11  
Old 04-26-2003, 10:19 AM
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speed sensor for abs?

that's funny, my car has no ABS, I guess the differential was swapped once already, it sounds now as if it needs to be swapped again....

xp
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  #12  
Old 04-27-2003, 05:02 PM
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flex disc

Thanks alot guys I actually haad to replace mine and the grinding noise went away! I want to say that this is a great site to acquire info from and evrybody is very helpful, thank you very much!
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  #13  
Old 04-27-2003, 07:01 PM
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noise....

I have a grinding noise but I just replaced the felx discs.... very frustrating....

xp
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  #14  
Old 04-27-2003, 09:24 PM
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jackd....

i would have thought the speed sensor would be at the corners ,not at the diff?
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  #15  
Old 04-28-2003, 09:36 AM
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Most generations of ABS up until recently only, in fact, have one sensor for both rear wheels, usually located in the differential. This means that, if one rear wheel locks, the brakes will be release on both wheels. I'm not entirely sure why this is, perhaps because of the differential effect?

Russ
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