Audi Q7: Maintenance and Care

 Refrigerant Line with Inner Heat Exchanger

In this refrigerant pipe, the flowing fluid warm refrigerant on the high pressure side is delivered into the low pressure side as flowing, vapor, cold refrigerant to increase the efficiency of the A/C system.   Note This illustration shows a refrigerant pipe with an inner heat exchanger th

 Plenum Chamber Bulkhead, Removing and Installing

Plenum Chamber Bulkhead, Removing and Installing Removing - Drain the coolant. Refer to → Engine Mechanical; Rep. Gr.19; Cooling System/Coolant; Coolant, Draining and Filling. - Remove the plenum chamber cover. Refer to → Chapter "Plenum Chamber Cover, Removing an