Coolant Shut-Off Valve -N82-, REMOVING AND INSTALLING: Removing

WARNING: This page is about a different car, the 2024 Audi A4 allroad. However, it is still accessible from the selected car via links, so may be relevant.

Courtesy of AUDI OF AMERICA, LLC

-- Switch off the ignition.

CAUTION:

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

-- Carefully open the coolant expansion tank cap -A- (do not completely remove).

TIP

There are different versions of the coolant expansion tank and in different layouts in the plenum chamber and in the engine compartment. Refer to the appropriate service information the appropriate service information .

-- Remove the plenum chamber cover. Refer to PLENUM CHAMBER COVER, REMOVING AND INSTALLING .

-- Cover the area under the connections for the coolant hoses -B and C- to the Coolant Shut-Off Valve -N82- -A- in the plenum chamber for example with absorbent paper.

Courtesy of AUDI OF AMERICA, LLC

-- Clamp off the coolant hoses -B and C- with Hose Clamps - Up To 25mm :3094 (or commercially available hose pinch-off pliers).

-- Loosen the hose clamps -D- and remove the coolant hoses -B and C-.

-- Disconnect the connector -E-.

-- Remove the nuts -G- and bolts -F-.

-- Remove the shut-off valve -A- with the bracket -D-.

-- If necessary remove the combination nut -J- and bracket -K-.

TIP

On the Audi Q5 the bracket -K- is only bolted with two combination nuts -J-.