Refrigerant Expansion Valve 2 -N637-, REMOVING AND INSTALLING: Installing

WARNING: This page is about a different car, the 2024 Audi A4 allroad. 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 lightly with refrigerant oil before installing. Refer to SEALS AND GASKETS .

-- Check the routing after securing refrigerant lines. They must be inserted in their brackets and must not come into contact with other components.

-- Evacuate and fill the refrigerant circuit. Refer to Refrigerant Circuit (Refrigerant R134a Servicing, Refrigerant Circuit, Working with A/C Service Station) or Working with A/C Service Station (1 Of 2) and Working with A/C Service Station (2 Of 2) .

-- 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 .

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