Check Valve In Refrigerant Line From Condenser, Removing And Installing: Installing

WARNING: This page is about a different car, the 2024 Audi S6 and 2024 Audi A6 Quattro. 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:

Pay attention to the flow direction of the check valve -C- (sticker).

-- Replace the O-rings -2-. Refer to REFRIGERANT CIRCUIT SEALS .

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-- If equipped, check the alignment pins -6- on the refrigerant lines for damage and correct seating.

-- Install the check valve -C-.

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-- Install the bolt -B-.

-- Install the Refrigerant Expansion Valve 2 -N637-. Refer to Refrigerant Expansion Valve 2 -N637-, REMOVING AND INSTALLING .

-- 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 removed components in the reverse order and reattach detached 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) / Working with A/C Service Station (2 Of 2) .

-- Switch the ignition on.

-- 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, VEHICLES WITH HIGH-VOLTAGE SYSTEM .