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

Courtesy of AUDI OF AMERICA, LLC

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

-- Replace all O-rings and coat them with refrigerant oil before installing. Refer to REFRIGERANT CIRCUIT SEALS and the Parts Information for the correct version.

-- Always clean the inner heat exchanger, pass-through, and refrigerant lines on the connection area and check them for damage.

• Install the refrigerant lines stress-free.

-- 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.

-- Reinstall the removed components in the reverse order and reattach detached components.

-- Install the remaining removed components.

-- 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

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