A problem with the torque converter can cause the Check Engine Light to illuminate.
Resources for the Repair and Maintenance of your 2007 Audi A6 Quattro
2007 Audi A6 Quattro
2007 Audi A6 Quattro Problems
A fluid leak may develop from the propeller shaft seal on the rear of the transmission. Our technicians tell us that replacing the seal will commonly correct this concern.
Our technicians recommend having the constant velocity (CV) boots and CV joints inspected at each service. Servicing torn CV boots early can prevent the need to replace the CV half shaft or CV joint.
Premature wear in various multi-link suspension components can cause noises that are difficult to diagnose. Worn suspension parts can also cause uneven tire wear and create steering alignment problems.
The thermostat may erratically stick open or closed. The can result in illumination of the Check Engine Light and/or engine overheating.