Refrigerant Lines With Inner Heat EXCHANGER, Removing And Installing: Removing

WARNING: This page is about a different car, the 2021 Audi S4 and 2021 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

For all the following work, close the open lines and connections with clean plugs from the Engine Bung Set :VAS6122 .

-- Switch off the ignition.

-- Discharge the refrigerant circuit. Refer to Refrigerant Circuit or Working with A/C Service Station (1 Of 2) / Working with A/C Service Station (2 Of 2) .

-- Remove the left front wheel housing liner. Refer to FRONT WHEEL HOUSING LINER, REMOVING AND INSTALLING .

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

-- Remove the bolts -A-.

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-- Loosen the refrigerant lines -B- and -C- (in the area under the left headlamp) from the bracket -D- and remove from the refrigerant line with the inner heat exchanger -E-.

-- Remove the nut -A-.

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-- Loosen both refrigerant lines to the expansion valve -D and E- from the bracket -B- and remove from the inner heat exchanger -C-.

-- Loosen the inner heat exchanger -C- from the bracket -F-.

-- Loosen the catches -H- and push the grommet -G- in the direction under the fender.

-- Remove the bolts -B-.

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-- Loosen the inner heat exchanger -A- from the bracket -C- and remove.