Refrigerant Line With Inner Heat EXCHANGER, Removing And Installing, All Excluding 2.0 TFSI Ea888 EVO 4, RS 3: Installing

WARNING: This page is about a different car, the 2023 Audi S3, 2023 Audi RS 3, 2023 Audi A3 Quattro, and 2023 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.

Courtesy of AUDI OF AMERICA, LLC

Install in the reverse order of removal while noting the following:

-- Coat the O-rings with refrigerant oil before installing. Refer to SEALS AND GASKETS .

-- Clean the connections on the expansion valve -2- and on the inner heat exchanger -4- and inspect them for damage.

-- Thoroughly clean the refrigerant lines around the connection area and check for damage.

-- Insert the O-rings -1 and 3- into the groove on the inner heat exchanger -4- connection.

-- Insert the inner heat exchanger -4- on the expansion valve.

-- Tighten the bolt -5-.

-- Routing and securing the refrigerant lines. Refer to LINE ROUTING AND SECURING .

-- The aluminum lining of the heat shield mat -2- must not rest against the side of the engine compartment.

Courtesy of AUDI OF AMERICA, LLC

-- Evacuate and charge 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) .