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

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.

-- Switch off (deactivate) the "parking air conditioner". Refer to Owner's Manual.

-- Switch the ignition on.

-- Initiate the basic setting of the A/C system using the Thermal Management Control Module -J1024- and open the electric valves using the routine Refrigerant Circuit, Extract, Evacuate and Fill in the Vehicle Diagnostic Tester .

-- Switch off the ignition.

-- Discharge 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 .

-- Remove the left front wheel housing liner. Refer to OVERVIEW - FRONT WHEEL HOUSING LINER (for accessibility to the connection points shown).

Q7 Before Product Improvement

-- Remove the front bumper cover. Refer to Front Bumper (Overview - Front Bumper).

Q7 From Product Improvement

-- Detach left front bumper cover and pull to the side slightly. Refer to Front Bumper (for accessibility to the illustrated connection point).

Continuation for all vehicles

Courtesy of AUDI OF AMERICA, LLC

CAUTION:

Danger of frostbite due to refrigerant coming out under pressure.

Frostbite on the skin and other parts of the body is possible.

- Wear safety gloves.

- Wear protective eyewear.

- Evacuate or drain refrigerant and open the refrigerant circuit immediately.

- If more than 10 minutes elapse after extracting or draining the refrigerant and the refrigerant circuit has not been opened, extract or drain the refrigerant again. Pressure develops in the refrigerant circuit due to evaporation.

-- Remove the bolts -5-.

-- Remove the check valve -3-.