Refrigerant Lines, Removing And Installing From Expansion Valve: Installing

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Audi SQ5, 2024 Audi Q5 e, 2024 Audi Q5, 2023 Audi SQ5, and 2023 Audi Q5 e. However, it is still accessible from the selected car via links, so may be relevant.

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

Coat the O-ring seals -E and F- lightly with refrigerant oil before installing. Refer to SEALS AND GASKETS .

-- Check the support ring -G- for proper installation position and check the grommet in the plenum chamber rear panel for damage and proper installation.

-- Thoroughly clean all connections in expansion valve -D- and at refrigerant lines -B and C- and check for damage.

-- Check the routing of the refrigerant lines after attachment. They must be inserted in the provided brackets in a tension-free manner and must not come in contact with other components.

-- Evacuate and charge the refrigerant circuit. Refer to Refrigerant Circuit or Working with A/C Service Station .

Q5 with High-Voltage System

-- Initiate the basic setting of the A/C system using the Thermal Management Control Module -J1024- and activate the electric valves using the routine "Stop routine refrigerant circuit filling/flushing" in the Vehicle Diagnostic Tester.

Continuation for All Vehicles

-- Operate the A/C system after charging the refrigerant circuit. Refer to A/C SYSTEM, STARTING AFTER CHARGING REFRIGERANT CIRCUIT .