weird abs/ brake noises

[no1of consequence]

thanks dennis. i sort of suspected a bad abs sensor[s]. any easy way to 
check them?

thanks
jim

>
>     Sensors do that,,, one or more of them are defect.
>     Mine do big  frecency vibations when i use brake swith ABS on. The abs
>   computer see the wheels are not turning at the same speed so it remove
>brake
>   on the wheel does stop turning and so valve vibrating on abs unit.
>
>     The sensor is defect or not in good position,,, to far or to close....
>to
>   close touch the CV joint like mine,,, broken then ;-(, to far there is 
>not
>   signal.
>
>     the only way i ll use to check them is use a oscilloscope and check 
>the
>   pulses signal in the sensor connector.
>
>
>     Denis
>
>
>     ----- Original Message -----
>     From: "no1of consequence" <iin10ded at hotmail.com>
>     To: <quattro at audifans.com>
>     Sent: Sunday, December 14, 2003 5:55 PM
>     Subject: weird abs/ brake noises
>
>
>     > ive got some funny brake noises + i wonder if anyone might know 
>whats
>   up..
>     >
>     > when backing down a steep + slippery [snowy or rainy] hill, 
>driveway,
>   etc
>     > and if i  brake adn the tires slip [i can feel them slip and feel 
>the
>   abs
>     > start to work] i get groans and pangs from the vicinity of the MC - 
>it
>     > sounds kinda like hitting a failling power steering pump with a coil
>   spring.
>     > =)
>     >
>     > its only ever when i back up. forward the brakes work great.  i just
>did
>   new
>     > pads, rotors, a caliper, lubed the ebrake cables, and flushed the
>lines
>   with
>     > new juice. it made the noises before i did any of this.
>     >
>     > is it a sign of a bad mc or abs pump [or whatever contraption it is
>that
>     > drives the abs]?
>     >
>     > thanx all. happy holidays,
>     >
>     > jim
>     >
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>

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