Refrigerant Expansion Valve 1 -N636-, REMOVING AND INSTALLING, LHD: Installing

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

-- If equipped, check the alignment pin on the refrigerant line connections for damage and correct seating.

-- Replace the O-rings -1-. Refer to REFRIGERANT CIRCUIT SEALS and the Parts Information for the version.

-- Install the refrigerant line and pay attention to the correct routing.

Courtesy of AUDI OF AMERICA, LLC

-- If equipped, check the alignment pin on the refrigerant line connections for damage and correct seating.

-- Replace the O-rings -7, 8-. Refer to REFRIGERANT CIRCUIT SEALS and the Parts Information for the version.

-- Install the refrigerant line and pay attention to the correct routing.

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

-- Reinstall the rest of the removed components in the reverse order and reattach the loosened 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 .

-- 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 .

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