LEMON Manuals: Even more car manuals for everyone
Home >> Audi >> 2020 >> S4 Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 48 (Air Conditioning (Refrigerant R134A Servicing) (2 Of 2)) >> 87 Air Conditioning >> Pressures, Checking >> Checking Pressures For Vehicles With RESTRICTOR And Reservoir (With Internally Regulated Compressor) >> General Information

General Information

WARNING: This page is about a different car, the 2021 Audi S4 and 2021 Audi A4 Quattro. 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 pressure in the refrigerant circuit (using the service station). 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 service station.

NOTE:

The switch pressures for refrigerant circuit switches are vehicle-specific.

The connection with valve for low-pressure switch or at evaporator is only to be used for vehicles with no service connection on low-pressure side and inaccessible connection at compressor or accumulator (measurement accuracy). Only applies to specific vehicles. Refer to Refrigerant Circuit .

scientia non olet · About LEMON Manuals