Evacuating And Charging Valve, Removing And Installing, Low And High Pressure Side: Installing

WARNING: This page is about a different car, the 2024 Audi SQ7, 2024 Audi Q7, 2023 Audi SQ7, and 2023 Audi Q7. 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:

Depending on the refrigerant, the evacuating and charging valves may vary. Refer to Parts Information.

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

Vehicles with High-Voltage System

-- Switch the ignition on.

-- Vehicles with Heat Pump Function, Initiate the basic setting of the A/C system through the Thermal Management Control Module -J1024- and activate the power-controlled valves using the routine Charge/flush the refrigerant circuit stop routine using the Vehicle Diagnostic Tester .

Continuation for all vehicles

-- Then check the DTC memory of the Thermal Management Control Module -J1024- (on vehicles with high-voltage system) and of the Front A/C Display Control Head -E87- and delete any entries displayed using the Vehicle Diagnostic Tester in the "Guided Fault Finding" function.

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

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