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

WARNING: This page is about a different car, the 2023 Audi SQ8, 2023 Audi RS Q8, and 2023 Audi Q8. 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 -3- (sticker).

-- Replace the O-rings -2-. Refer to REFRIGERANT CIRCUIT SEALS and Parts Information for the version.

-- Check the alignment pin -7- for damage and proper seating.

-- Install the check valve -3- on the correct side. Refer to SYSTEM OVERVIEW - REFRIGERANT CIRCUIT ON VEHICLES WITH HIGH-VOLTAGE SYSTEM AND WITH HEAT PUMP FUNCTION for the flow direction.

-- Install the bolts -5- (with washer -6-) by hand until the stop.

-- Check the refrigerant lines -3 and 4- for correct routing.

-- Install the bolts -5-.

-- 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 .

-- Switch the ignition on.

-- Initiate the A/C system basic setting through the Thermal Management Control Module -J1024-, and activate the power-controlled valves through the stored 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 .