Audi Q7: Maintenance and Care

 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 

 Checking Pressures on Vehicles with Electrically Driven A/C Compressor (Vehicles with Hybrid Drive)

General Information Extremely Dangerous Due to High-Voltage The high-voltage system is under high-voltage. Death or serious bodily injury by electric shock. - Individuals with electronic/medical life- and health sustaining machines in or on their person cannot perform any work on high-voltage