Coolant, Draining And Filling: Notes

WARNING: This page is about a different car, the 2021 Audi A6 Quattro, 2020 Audi A6 Quattro, and 2019 Audi A6 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required

Cooling System Tester - Adapter:VAG1274/8
Cooling System Tester - Adapter:VAG1274/10
Cooling System Charge Kit:VAS6096
Coolant Collecting System:VAS5014 or Shop Crane - Drip Tray:VAS6208
Hose Clip Pliers:VAS6362
Analog Refractometer:T10007B
Protective Eyewear
Safety Gloves

Draining

Fig 1: Coolant Expansion Tank

Courtesy of AUDI OF AMERICA, LLC

CAUTION:

The cooling system is under pressure when the engine is warm. There is a risk of scalding due to hot steam and hot coolant.

Scalding the skin and other parts of the body is possible.

- Wear safety gloves.

- Wear protective eyewear.

- Reduce the pressure by covering the coolant expansion tank cap with a cloth and carefully opening it.

-- Open the coolant expansion tank cap -1- by releasing the catch in direction of -arrow- if necessary.

-- Remove the front left wheel spoiler. Refer to OVERVIEW - FRONT WHEEL HOUSING LINER .

-- Place the container of the :VAS5014 or the :VAS6208 underneath.

Courtesy of AUDI OF AMERICA, LLC

-- Remove the drain plug -1- on the connection and drain the coolant.

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

-- Loosen the hose clamps -arrows-, remove the coolant hoses from the ATF cooler and allow the coolant to drain.

Courtesy of AUDI OF AMERICA, LLC

Secure all hose connections with hose clamps that match the ones used in series production. Refer to the Parts Information

-- Tighten the drain plug and close the coolant hoses again.

Coolant Specification

All information is described. Refer to COOLANT, DRAINING AND FILLING .