Audi A4 2008-2016 Serpentine Belt Diagram

The below diagram shows how the serpentine belt is routed on an Audi A4 with a 2 L turbo engine.

Audi A4 serpentine belt diagram showing how the belt is routed around all accessories.

For the 2.0 Turbo Audi engine, the belt goes around the crankshaft pulley, under the tensioner, over the alternator, around the power steering pump, behind the idler, and finally wraps around the air conditioning pump.