Audi Q7: Heating, Ventilation & Air Conditioning

 Rear Brake Rotor, Removing and Installing

Special tools and workshop equipment required Torque Wrench 1410 -VAG1410- Removing - Remove the brake caliper. Refer to → Chapter "Brake Caliper, Removing and Installing". - Remove the bolt -arrow- and remove the brake rotor.   Caution Risk of damaging the brake rotor

 Oxygen Sensor 1 After Catalytic Converter - GX7-, Checking

General Description The Oxygen Sensor 1 After Catalytic Converter -GX7- is positioned downstream of the primary catalytic converter and it supplies the Engine Control Module -J623- with a voltage signal (nonlinear) indicating a "rich" or a "lean" condition is present. If the primary catalytic co