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.
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HOMESERVICE MANUALSAUDI2018A5 QUATTRO PRESTIGE, 2D CONVERTIBLEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 217 (GENERAL, TECHNICAL DATA (REFRIGERANT R1234YF SERVICING))
2018 Audi A5 Quattro Prestige, 2D Convertible
Section 217 (General, Technical Data (Refrigerant R1234YF Servicing))
2018 Audi A5 Quattro Prestige, 2D ConvertibleSECTION Section 217 (General, Technical Data (Refrigerant R1234YF Servicing))
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2022 Audi A4 allroad, 2021 Audi A4 allroad, 2020 Audi A4 allroad, 2019 Audi A4 allroad, and 2018 Audi A4 allroad. However, it is still accessible from the selected car via links, so may be relevant.
- 00 General, Technical Data
- Safety Precautions
- Safety Precautions When Working On Air Conditioning Systems Safety Precautions
- Safety Precautions When Handling Refrigerant
- Safety Precautions When Working On Vehicles With Start/Stop System
- Safety Precautions When Working On Vehicles With High-Voltage System
- Safety Precautions When Working Near High-Voltage Components
- Safety Precautions During Road Test With Testing Equipment
- Laws And Regulations
- Repair Information
- Identification
- Technical Data
- Technical And Physical Principles
- A/C Technology Basic Principles
- Pyrotechnical Characteristics
- Refrigerant R1234YF
- Refrigerant R1234YF Possible Dangers
- Refrigerant R1234YF Physical And Chemical Characteristics
- Critical Point
- Refrigerant R1234YF, Environmental Information
- Refrigerant R1234YF Trade Names And Designation
- Refrigerant R1234YF Color And Odor
- Refrigerant R1234YF Vapor Pressure
- Refrigerant R1234YF Pyrotechnical Characteristics
- Refrigerant R1234YF, Affect On Metal And Plastic
- Refrigerant R1234YF Critical Temperature/Pressure
- Refrigerant R1234YF Water Content
- Refrigerant R1234YF Combustibility/Decomposition
- Refrigerant R1234YF Charge Factor
- Refrigerant Circuit With Refrigerant R1234YF, Verifications And Leaks
- Refrigerant R1234YF Analysis
- Return Of Contaminated Refrigerant R1234YF For Analysis, Preparation Or Disposal
- Product Characteristics
- A/C System Functions And Tasks
- Additional Information Sources
- Safety Precautions
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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.