Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Section 13 (Air Conditioning (Refrigerant R1234YF Servicing) (Tools & Testing Equipment))
2024 Audi S3 PremiumSECTION Section 13 (Air Conditioning (Refrigerant R1234YF Servicing) (Tools & Testing Equipment))
WARNING: This page is about a different car, the 2022 Audi S3, 2022 Audi RS 3, 2022 Audi A3 Quattro, and 2022 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.
- 87 Air Conditioning
- Working With A/C Service Station
- Refrigerant Circuit, Charging
- A/C System, Operating After Charging
- A/C Service Station, Switching Off And Disconnecting From Refrigerant Circuit
- Refrigerant, Filling In Reservoir
- A/C Service Station, Discharging
- Electrically-Driven A/C Compressor, Cleaning
- Refrigerant Circuit, Cleaning
- Contaminated Refrigerant, Filling In Recycling Cylinder For Analysis, Processing, Or Disposal
- Pressures, Checking
- General Information For Checking The Refrigerant Circuit Pressure
- Refrigerant Circuit Pressures And Temperatures
- Refrigerant Circuit With Ignition Switched On, Checking Pressure
- Mechanically Driven A/C Compressor, Checking Pressure With A/C System Switched On
- Notes
- Pressures, Checking
- Specified Values for the Refrigerant Circuit Pressures
- Possible Deviation From Specified Value During The Pressure Test (1 Of 9)
- Possible Deviation From Specified Value During The Pressure Test (2 Of 9)
- Possible Deviation From Specified Value During The Pressure Test (3 Of 9)
- Possible Deviation From Specified Value During The Pressure Test (4 Of 9)
- Possible Deviation From Specified Value During The Pressure Test (5 Of 9)
- Possible Deviation From Specified Value During The Pressure Test (6 Of 9)
- Possible Deviation From Specified Value During The Pressure Test (7 Of 9)
- Possible Deviation From Specified Value During The Pressure Test (8 Of 9)
- Possible Deviation From Specified Value During The Pressure Test (9 Of 9)
- Electrically-Driven A/C Compressor, Checking Pressure With A/C System Switched On
- Notes
- Pressures, Checking
- Specified Values for Refrigerant Circuit Pressures, Vehicles without Heat Pump
- Possible Deviation from Specified Value During the Pressure Test (1 Of 11)
- Possible Deviation from Specified Value During the Pressure Test (2 Of 11)
- Possible Deviation from Specified Value During the Pressure Test (3 Of 11)
- Possible Deviation from Specified Value During the Pressure Test (4 Of 11)
- Possible Deviation from Specified Value During the Pressure Test (5 Of 11)
- Possible Deviation from Specified Value During the Pressure Test (6 Of 11)
- Possible Deviation from Specified Value During the Pressure Test (7 Of 11)
- Possible Deviation from Specified Value During the Pressure Test (8 Of 11)
- Possible Deviation from Specified Value During the Pressure Test (9 Of 11)
- Possible Deviation from Specified Value During the Pressure Test (10 Of 11)
- Possible Deviation from Specified Value During the Pressure Test (11 Of 11)
- Specified Values for Refrigerant Circuit Pressures, Vehicles with Heat Pump
- Possible Deviation from Specified Value During the Pressure Test (1 Of 12)
- Possible Deviation from Specified Value During the Pressure Test (2 Of 12)
- Possible Deviation from Specified Value During the Pressure Test (3 Of 12)
- Possible Deviation from Specified Value During the Pressure Test (4 Of 12)
- Possible Deviation from Specified Value During the Pressure Test (5 Of 12)
- Possible Deviation from Specified Value During the Pressure Test (6 Of 12)
- Possible Deviation from Specified Value During the Pressure Test (7 Of 12)
- Possible Deviation from Specified Value During the Pressure Test (8 Of 12)
- Possible Deviation from Specified Value During the Pressure Test (9 Of 12)
- Possible Deviation from Specified Value During the Pressure Test (10 Of 12)
- Possible Deviation from Specified Value During the Pressure Test (11 Of 12)
- Possible Deviation from Specified Value During the Pressure Test (12 Of 12)
- Tools And Testing Equipment
- Working With A/C Service Station
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.