Audi Q7: Heating, Ventilation & Air Conditioning

 Plenum Chamber Water Drain, Removing and Installing

Removing - Turn off the ignition. - Remove the plenum chamber cover -A-. Refer to → Body Interior; Rep. Gr.50; Bulkhead; Plenum Chamber Cover, Removing and Installing. - Depending on the engine and the vehicle version, if necessary loosen the lower plenum chamber

 Electronic Throttle Control (ETC) System

The electronic throttle control (ETC) system consists of the accelerator-pedal module, the engine control module (ECM), and the electronic throttle body. The electronic throttle body mainly consists of the throttle valve, the electric throttle-valve drive element, and the throttle-valve position