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Home >> Audi >> 2020 >> A4 Prestige >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> Solar Ventilation >> AIR CONDITIONING (2 Of 3) >> 87 Air Conditioning >> Refrigerant Circuit >> Evacuating And Charging Valve, Removing And Installing, Low And High Pressure Side >> Removing

Evacuating And Charging Valve, Removing And Installing, Low And High Pressure Side: Removing

-- Switch off the ignition.

-- Discharge the refrigerant circuit. Refer to REFRIGERANT CIRCUIT, DISCHARGING or REFRIGERANT CIRCUIT, DISCHARGING [R1234yf] .

-- Open the left cover -D- of the plenum chamber cover. Refer to PLENUM CHAMBER COVER, REMOVING AND INSTALLING or WORKING WITH A/C SERVICE STATION [R1234yf] .

GWWA87-12103Courtesy of AUDI OF AMERICA, LLC

-- Remove the closure caps (with seal) -A or B-.

WARNING:

Danger or 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.
  • Extract refrigerant and open the refrigerant circuit immediately.
  • If more than 10 minutes elapse after extracting the refrigerant and the refrigerant circuit was not opened, extract the refrigerant again. Pressure develops in the refrigerant circuit due to evaporation.

-- Remove the valve from the service connection -C- using the :T10364  and a suitable adapter.

NOTE:

There is additional information for the service connection. Refer to A/C SYSTEM, GENERAL INFORMATION or SYSTEM OVERVIEW - REFRIGERANT CIRCUIT [R1234yf] / GENERAL DESCRIPTION - REFRIGERANT CIRCUIT COMPONENTS [R1234yf] .

Tightening specification for the valves depending on the version. Refer to A/C SYSTEM, GENERAL INFORMATION or GENERAL DESCRIPTION - REFRIGERANT CIRCUIT COMPONENTS [R1234yf] .