Audi coupe 1990 20v coupe abs problem

[John Graham]

You need take a volt ohm meter and read the AC voltage at each ABS sensor.
Jack the car up and turn each wheel by hand. The sensor with no or low
voltage is the bad one.

John
1990 20v Coupe


> From: "Fred no" <frederick999991 at hotmail.com>
> Date: Wed, 10 Dec 2003 13:10:54 -0700
> To: quattro at audifans.com
> Subject: Audi coupe 1990 20v coupe abs problem
> 
> HI i have a problem with my 20v coupe quattro most of the times when i apply
> the brakes the antilock engages while wheels are still truning... This
> results as less braking or no braking at all sometimes... this is very scary
> pumping the brakes sometimes you can find a hole where you can go tru the
> abs and actually brake. No wheels lock when this happens (while pushing like
> a maniac) sometimes slow sometimes fast.Pretty scary went thru a stop today
> on asphalt...  dint want to brake..
> Anyone that had similar problem or could help me out?The bently has almost
> no information on this subject only how to use the bosh abs tester witout it
> theres nothing useful to help me test anything. The only thing i can do
> right now is maybe visually check the teeth on the cv joints... and the
> connections.
> 
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