Pressures, Checking, Vehicles With Expansion Valve And Receiver/Dryer, Internally Regulated A/C Compressor: Notes

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.

NOTE:

Connect the A/C service station. Refer to A/C SERVICE STATION, CONNECTING .

Observe the test requirements. Refer to PRESSURES, CHECKING .

-- With the ignition switched off, check the pressures in the refrigerant circuit (using the A/C service station). Refer to Refer to REFRIGERANT CIRCUIT, CHECKING PRESSURE WITH SERVICE STATION .

The pressures with the ignition turned off meet the specifications.

-- Start the engine.

-- Bring the engine speed up to 2000 RPM.

-- Observe the pressure gauge of the A/C service station.

NOTE:

Switching pressures and design of refrigerant circuit switches are vehicle-specific.

Pressures must be measured at the service connections; the component location for these connections are vehicle-specific. Refer to Refrigerant Circuit (vehicle-specific service information).