Audi Q7: Heating, Ventilation & Air Conditioning

 Windshield Defogger

Windshield Defogger The Windshield Defogger Control Module -J505- is activated by the Comfort System Central Control Module -J393- at the request of the Front A/C Display Control Head -E87-. This request is sent via the data bus to the Comfort System Central Control Module -J393-. The Comfort

 Evaporator, Removing and Installing

  Note The removed evaporator contains refrigerant oil that must be returned to the refrigerant circuit (with the new evaporator). Refer to → Refrigerant R134a Servicing; Rep. Gr.87; Refrigerant Circuit Components, Replacing. Removing - Remove the rear heater and A/C