sparky Paul Posted September 9, 2014 Report Posted September 9, 2014 (edited) Probably a broken reluctor ring, or less likely, an abs sensor or wiring. If you have access to VAG-COM diagnostics, that will tell you where the problem lies. Otherwise, check the rings on the front driveshafts first of all, as they're usually the first ones to go. They are on the outside of the outer CV joint, right in behind the wheel hub. With full lock on the wheel, you should be able to see the rings, check that they are not split or damaged - they are like a metal band with rectangular slits cut through them. Replacement involves splitting the driveshaft from the hub. Replacement rings are very cheap to buy, but you will also need a new driveshaft end bolt on reassembly. If the rings look okay, check that the abs sensor connectors under the front wheelarches are in good condition, and that the wiring looks okay. Rear sensors rarely give problems, but ditto those if you can't find any problem up front. Failing that, you really need to see what VAG-COM says. Edited September 9, 2014 by sparky Paul Quote
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