Plenum Chamber Water Drain, Removing And Installing: Removing
-- Switch of the function "parking heater" (deactivate). Refer to the Owner's Manual.
-- Switch the ignition off.
-- Remove the front underbody trim panel. Refer to OVERVIEW - UNDERBODY TRIM PANELS .
-- Remove the plenum chamber cover. Refer to PLENUM CHAMBER COVER, REMOVING AND INSTALLING .
Right Side:
-- Remove the fresh air intake cover. Refer to FRESH AIR INTAKE COVER, REMOVING AND INSTALLING .
-- RHD: remove the brake pressure unit. Refer to .
Left Side:
-- RHD: remove the coolant expansion tank. Refer to COOLANT EXPANSION TANK, REMOVING AND INSTALLING .
There is a risk of fatal injury due to high voltage.
Electrocution by direct contact or electric arc can cause severe bodily injury or fatal injury.
- Have an Audi high-voltage technician (HVT) or an Audi high-voltage expert (HVE) de-energize the high-voltage system.
-- De-energize the high-voltage system. Refer to High-Voltage System, De-Energizing .
-- Remove the Windshield Wiper Motor -V-. Refer to WINDSHIELD WIPER MOTOR -V-, REMOVING AND INSTALLING .
-- Remove the bolt -A- and move the High-Voltage Heater (PTC) -Z115- with the coolant hoses still connected to the side.
Continuation for Both Sides:
-- Press the water drains -B- downward from the openings of the plenum chamber.