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 VARIANT/TRIMSECTION 16 (GENERAL, TECHNICAL DATA (REFRIGERANT R1234YF SERVICING) [COUPE])00 GENERAL, TECHNICAL DATAREPAIR INFORMATIONGUIDELINES FOR CLEAN WORKING CONDITIONS
2018 Audi A5 Quattro Prestige, 2D Convertible
Guidelines For Clean Working Conditions
2018 Audi A5 Quattro Prestige, 2D ConvertibleSECTION Guidelines For Clean Working Conditions
WARNING: This page is about a different variant/trim than selected.
Even Slight Contamination Can Cause Malfunctions for This Reason When Working on the a/C System Pay Attention to the Following Cleanliness Regulations:
- Immediately seal off any open lines and connections with clean plugs taken from the Engine Bung Set:VAS6122 , for example.
- Place removed parts on a clean surface and cover them with lint-free cloths.
- Carefully cover or seal opened components if repairs are not performed immediately.
- Only install clean parts: remove the replacement parts from their packaging just before installing them. Do not use any parts that have been kept out of packaging (for example, in a toolbox).
- Do not work with compressed air when the system is open.
- Protect any disconnected connectors from dirt and moisture, and only connect them when they are completely dry.
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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.