ABS Problem.... Any Help??

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Jul 18, 2005 | 10:59 AM

Spoil1021

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Joined: Feb 2003

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ABS Problem.... Any Help??

1998.5 A4 1.8T FWD

Ok Here is my problem. My ABS (solid) and brake light(blinking) had come on. I used my Vag-com to retrieve the codes. There was 1 code listed. It was for the right rear (performance / range)
I took the wheel, rotor etc off. Inspected the abs sensor. Since I had replaced the other 3 I decided to replace the 4th. So I replaced the abs sensor.
Now I can drive around town, etc with no problems. When I get on the highway and get up to speed (65-75 mph) after about 5-10 min the abs lights come on again. The same code appears, Right Rear Speed sensor(performace / range)

I have since replaced the brake pads, rotors. What should I look at next? The calipers? Could they be hanging up and only noticable at highway speeds?

Any help would be appreciated.

Thanks

Jul 18, 2005 | 01:42 PM

CK NYoC

AudiWorld Senior Member

Joined: Mar 2001

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From: NY

I'm sure the sensor is clean rite? Mine was dirty and gave me faults.

Jul 18, 2005 | 02:02 PM

Spoil1021

Thread Starter

New Member

Joined: Feb 2003

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Re: I'm sure the sensor is clean rite? Mine was dirty and gave me faults.

I would assume so. How would you recommend cleaning them? Should I also clean the abs ring that attaches to the rotor? or replace the ring?
Should I use brake cleaner or electronics cleaner?

Thanks