Cooling System, Filling With Cooling System Service Station Vas 531 011

WARNING: This page is about a different car, the 2022 Volkswagen ID.4 and 2021 Volkswagen ID.4. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required

Cooling System Service Station: VAS 531 011

Cooling System, Filling

Condition

Pay attention to the operating instructions for the Cooling System Service Station: VAS 531 011 .

-- Fill the "New" reservoir of the Cooling System Charge Kit: VAS 531 011 with a sufficient amount of coolant in the right mixture ratio. Refer to REPLACEMENT PARTS, WORKING MATERIALS AND EXPENDABLE ITEMS .

-- Make sure that the coolant hoses are connected.

-- Connect the cooling system service station.

-- Select "vehicle maintenance" in the main menu.

-- Select "pressure test" in the menu and perform the hydraulic leak test.

Test duration - time 120 s
Max. Delta P - 40 mbar (0.58 psi)
Pressure test - 2000 mbar
Follow the notes on the display.
After finishing the test the result is shown.

-- Select "vacuum test" in the menu and perform the hydraulic leak test.

Vacuum time - time 240 s
Specified value - 40 mbar (0.58 psi)
Test duration - time 120 s
Max. Delta P - 30 mbar (0.44 psi)
Follow the notes on the display.
After finishing the test the result is shown.
If necessary, repeat the procedure.

-- In the menu select "system, filling" and perform the filling.

Capacity - enter 12000 g, corresponds to 12 liter.
When completing the filling procedure the display shows the filled coolant quantity.
When completing the filling procedure the service station automatically begins cleaning the hoses.
Follow the instructions on the display and do not interrupt the procedure.
After finishing the test the result is shown.
If necessary, repeat the procedure.

-- Select "vehicle maintenance" in the main menu.

-- In the menu select "system, bleeding" and perform the bleeding.

Test pressure - 1800 mbar pressure

-- Perform the "bleeding the cooling system" function using the Vehicle Diagnostic Tester. Refer to Diagnostic Entries .

Condition

Run the function twice.

-- Remove the adapter with service hose from the coolant expansion tank.

-- Add or extract the coolant.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Condition

The coolant level must be 10 mm above the MAX mark -1-.

Tip

The increased coolant level is necessary because the coolant level may fall when driving.

-- Refer to Coolant Concentration, Checking .