3. Radiator, Flushing With Distilled Water
WARNING: This page is about a different car, the 2016 Audi A3 and 2015 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.
-- Use hose clamps to clamp off the bleeder hoses at the locations indicated.
-- Open the shut-off valve -A- on the valve block. Distilled water is now pumped through the engine.
-- Monitor the sight window: if the coolant begins to discolor, close the shut-off valve -A-.
- Required amount of distilled water: approximately 2 liters