Coolant Mixture Ratio

• Coolant (40%) and water (60%) for freeze protection down to -25 °C (-13 °F)

• Coolant (50%) and water (50%) for freeze protection down to -35 °C (-31 °F)

-- Attach the V.A.G 1274/8 to coolant reservoir.

-- Install the VAS 6096 on V.A.G 1274/8.

-- Place air outlet -1- in a small container -2-.

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

-- Connect hose -3- to compressed air.

• Pressure: 6 to 10 bar pressure.

-- Open valve -B- by turning level in direction of flow.

• The suction jet pump generates pressure in the coolant system; indicator on display instrument must move into green area.

-- Briefly open valve -A- by turning lever in direction of flow so that hose on VAS 6096 coolant reservoir fills with coolant.

-- Close valve -A- again.

-- Leave valve -B- open another 2 minutes.

• More pressure is generated in the coolant system by the suction jet pump; indicator on display instrument must stay in green area.

-- Close valve -B-.

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

-- Remove pressurized air hose.

-- Open valve -A-.

• Coolant is extracted from the VAS 6096 coolant reservoir by pressure in the coolant system and the system is filled.

-- Remove the VAS 6096 from the coolant reservoir.

-- Fill coolant up to "max" marking.

-- Set the temperature at "HI".

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

-- Start the engine and run it at approximately 1500 RPM for a maximum of 2 minutes.

-- With engine running, fill coolant up to overflow hole on coolant expansion tank.

-- Close cap on coolant expansion tank.

-- Run the engine at idle until both large coolant hoses on the radiator are warm.

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

-- Install the noise insulation. Refer to Removal and Installation .

-- Check the coolant level.

• The coolant level must be between the "min" and "max" markings when the engine is cold.
  Fig 3: Identifying Expansion Tank Max/Min Fill Marking

  Courtesy of AUDI OF AMERICA, LLC
• The coolant level may be at the "max" marking when the engine is warm.

-- Add more coolant if necessary.