Audi Case Studies, Blog, Car Repair and Servicing, Case Studies Audi Case Study 71: A4 Front Wheel Bearing replacement Posted on August 13, 2022August 13, 2022 by admin 13 Aug Unusual noise coming from your wheels is bad news. High-pitch humming noise emanating from the front wheels of the Audi A4 spells trouble of bad Wheel Bearings. Head urgently to Revol Carz Garage for accurate diagnosis. The Audi A4 is lifted for further undercarriage inspection following confirmation of the worn Wheel Bearings issue. With the bad Bearing extracted (left), the original replacement Bearing is expedited. The Front Left Wheel Bearing is extracted. New Wheel Bearing replaced. The failed Bearing on the right front wheel is extracted for replacement. New Wheel Bearing installed for a new adventure!The Wheel Bearing issues are all resolved like clockwork and the Audi A4 gets some love with a complimentary car-wash and interior detailing. admin Get Your Car A Full Grooming With Zetough Paing Protection Service! This Gleaming Audi A4 Flaunts With A Ceramic Paint Protection Coating!