Heater Coolant Shut-Off Valve -N279-, Removing And Installing: Removing

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2015 Audi RS 7, 2015 Audi A7 Quattro, 2014 Audi S7, 2014 Audi RS 7, and 2014 Audi A7 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Locating Coolant Reservoir Cap

Courtesy of AUDI OF AMERICA, LLC

WARNING:

There is a risk of scalding from hot steam and coolant.

The coolant system is under pressure when the engine is warm.
To reduce the pressure, cover the coolant reservoir cap with several cloths and then open it carefully.

-- Open the coolant reservoir cap -arrow-.

-- Turn off the parking heater.

Fig 2: Shut-Off Valve, Connector, Coolant Hoses, Bolts And Bracket

Courtesy of AUDI OF AMERICA, LLC

-- Remove the plenum chamber cover, refer to Bulkhead .

-- Remove the fresh air intake air shroud, refer to FRESH AIR INTAKE, REMOVING AND INSTALLING .

-- Disconnect the connector -B-.

-- Mark the location of the coolant hoses.

-- Cover the area under the shut-off valve with absorbent cloths or paper.

-- Clamp off the coolant hoses -C, D and E- with the Hose Clamps - Up To 25 mm 3094 and remove them from the shut-off valve by loosening the hose clamps.

-- Remove the bolts -F- and remove the shut-off valve -A- from the bracket -G-.