Description: Dynamic Steering. Rack and Pinion Assembly. Fits A6, A7, A8, RS7, RS7 Sportback, S6, S7, S7 Sportback Rack & Pinion Assembly - Repair or Replace If your Audi has stiff steering or noisy steering, or you???ve noticed steering fluid leaking, you may need to have the power steering rack replaced or repaiRed. Our technicians have access to OEM Audi steering gear and other parts. To 06/23/2014. To 08/31/2015. From 11/04/2013. From 06/23/2014. Dynamic Steering. Complete Assembly.