Audi Q7: Heating, Ventilation & Air Conditioning

 Heated Oxygen Sensor

Overview - Heated Oxygen Sensor   Note Coat the new heated oxygen sensors with an assembly paste. Only the thread may be coated with hot bolt paste on a used oxygen sensor. Refer to the Parts Catalog Assembly paste or hot bolt paste must not enter the slots on the sensor body. 1 

 Charge Air System

Overview - Charge Air System 1 - Seal Replace after removing 2 - O-Ring Replace after removing Coat with engine oil when installing the charge air cooler 3 - O-Ring Replace after removing Coat with engine oil when installing the charge air cooler 4 -&nb