Plenum Chamber Water Drain, Cleaning

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2018 Audi S6, 2018 Audi A6 Quattro, 2018 Audi A6, 2017 Audi S6, and 2017 Audi A6 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

Courtesy of AUDI OF AMERICA, LLC

-- Remove the plenum chamber cover. Refer to PLENUM CHAMBER COVER, REMOVING AND INSTALLING .

NOTE:

To check the water drains that are difficult to reach, use a commercially available and illuminated endoscope, for example. It is best to use one that has a flexible waterproof head.

Use a commercially available flexible gripping tool to clean, for example coarse dirt from difficult to reach water drains. Then wash out the any remaining contaminates.

Driver Side

-- Remove the plenum chamber E-box. Refer to RELAY PANELS, FUSE PANELS AND E-BOXES .

-- Check the water drains -arrows- for debris.

The water must be able to be drained.

-- Remove the water drain debris.

-- Check the grommet -1- with the valve for debris and functionality.

The grommet valve must not be stuck or blocked as a result of debris.

-- Clean dirty or sticky grommet valves.

NOTE:

Shown with brake booster removed in the illustration.

Passenger Side

Courtesy of AUDI OF AMERICA, LLC

-- Check the water drains -arrows- for debris.

The water must be able to be drained.

-- Remove the water drain debris.

-- Check the grommet -1- with the valve for debris and functionality.

The grommet valve must not be stuck or blocked as a result of debris.

-- Clean dirty or sticky grommet valves.

Continuation for Both Side of the Vehicle

Courtesy of AUDI OF AMERICA, LLC

-- If a grommet -2- is damaged, it must be replaced. To replace the grommet, remove the grommet out of the opening in the body -1-.

-- Insert the new grommet into the opening in the body and check the water drainage.

The grommet valve must not stick and the water must be able to drain.

NOTE:

If the water near the grommet does not drain, remove the heat shield for the upper tunnel and clean the area near the grommet. Refer to FLOOR HEAT SHIELD, REMOVING AND INSTALLING .