Refrigerant Lines To Expansion Valve, Removing And Installing: 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 refrigerant lines -4- and inspect them for damage.

-- Insert the O-rings -1 and 3- into the groove of the refrigerant line connection -4-.

-- Insert the refrigerant lines -4- at the expansion valve -2-.

-- 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) .