Cooling system, filling

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Conditions:

• The needle on the pressure gauge -arrow- must move until it is well below the green area.

-- >>Slowly<< open the shut-off valve -A-, to prevent the foaming up of the coolant.

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• Coolant is extracted from the Cooling System Charge Device VAS 6968 container by pressure in the coolant system and the system is filled.

-- Close after filling the shut-off valve -A-.

-- Remove the Cooling System Charge Kit - Electric Vacuum Pump :VAS 6096/2  , Cooling System Charge Kit :VAS 6096  and Cooling System Tester - Directional Valve :VAS 691 005/5  from the coolant expansion tank.

-- Coolant must be filled up to the MAX mark.

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

-- Start the engine.

-- Set the temperature to "HI".

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

• The LED in the button must not come on.

-- Set the A/C system fresh air blower to the lowest setting.

-- Connect the Vehicle Diagnostic Tester.

-- Select Diagnostic  operating mode and Start diagnostics  .

-- Select the Select individual test  tab and select the following tree structure consecutively:

• Drivetrain 
• Select the engine code and engine 
• 01 - OBD-capable systems  .
• 01 - Engine Electronics 
• 01 - Engine electronics, functions 
• 01 Filling coolant circuit 

-- Follow the instructions on the Vehicle Diagnostic Tester .

-- Turn off the engine.

-- After the bleeding process, a test of the coolant concentration must be performed. Refer to COOLING SYSTEM, CHECKING COOLANT CONCENTRATION .