4. Charge Air Cooler And Charge Air Cooling Circuit Cooler, Flushing With Coolant

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.

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-- Use hose clamps to clamp off the bleeder hoses at the locations indicated.

-- Open the shut-off valve -A- on the valve block. Coolant is now pumped through the engine.

-- Monitor the sight window: if coolant can be seen escaping in the window, close the shut-off valve -A-.

Required Amount Of Coolant: Approximately 2 Liters

Repeat the flushing procedures 1 through 4, but only pump through approximately one liter of coolant each time. Refer to COOLING SYSTEM, FLUSHING . Then the flushing procedure is complete.

-- After the flushing procedure, switch off the pump.

-- Remove all hose clamps.

Coolant Flushing and Filling Device:VAS531007 , Removing:

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-- Open the shut-off valve -B- and leave it open, so that the pressure in the cooling system reduces.

-- Remove the plug -3- from the coolant expansion tank and reconnect the bleeder hose -2-.

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-- Seal the flushing hose -1- with the plug.

-- Remove the valve block -1- and test adapter -2-.

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-- The coolant must be at the >>weld seam<< -arrow-.

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-- If necessary, extract or add coolant.