2009 Audi S4 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2009 Audi S4
Verified by mechanics, reported by drivers like you
2009 Audi S4 ProblemsOverheating Due to Failing Thermostat
Oil Leak From Transmission Output Shaft Seal
Check Engine Light Due to Faulty Torque Converter
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.