Coolant Mixture Ratio: Procedure

WARNING: This page is about a different variant/trim than selected.

-- Attach the left coolant hose to the bottom of the radiator. Refer to Figure.

-- Install the lower right coolant hose to the charge air cooling circuit cooler.

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-- Fill with coolant reservoir on the :VAS6096 with at least ten liters (10.5 quarts) of premixed coolant with the proper mixture ratio:

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-- Install the :VAG1274/8 on the coolant expansion tank.

-- Mount the :VAS6096 on the :VAG1274/8 .

-- Place the drain hose -1- in a small container -2-.

NOTE:

A small amount of coolant which should be collected is drawn off with the discharged air.

-- Close the valves -A and B- by turning lever at a right angle to the flow direction.

-- Connect the hose -3- to compressed air.

-- Open the valve -B- by turning the lever in the flow direction.

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-- Open the valve -A- for a moment.

-- To do this, turn the lever in the flow direction so that the :VAS6096/1 hose fills with coolant.

-- Close the valve -A- again.

-- Leave the valve -B- open another two minutes.

-- Close the valve -B-.

Needle in the display instrument must remain in the green region, then the sufficient vacuum in the cooling system is obtained for the upcoming filling.

NOTE:

Repeat the procedure if the needle goes below the green range.

Check the cooling system for leaks if the pressure drops.

-- Remove the pressure hose.

-- Open the valve -A-.

Coolant is extracted from the :VAS6096 coolant expansion tank due to a vacuum in the coolant system and the system is filled.

-- Remove the :VAS6096 from the coolant expansion tank.

-- Fill with coolant up to the "MAX" mark.

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-- Install the noise insulation. Refer to NOISE INSULATION .

-- If the vehicle has a parking heater, switch it on for about 30 seconds.

-- Set the temperature to "HI".

-- Press the AC button to turn off the A/C compressor.

-- Close the coolant expansion tank cap until it locks into place.

-- Start the engine and allow it to run alternating between 1500 RPM up to maximum 2800 RPM until the radiator fan starts running.

-- Turn off engine and allow it to cool off.