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 91 (GENERAL, TECHNICAL DATA (HVAC))00 GENERAL, TECHNICAL DATAREPAIR INFORMATIONCLEAN WORKING CONDITIONS
2018 Audi A5 Quattro Prestige, 2D Convertible
Clean Working Conditions
2018 Audi A5 Quattro Prestige, 2D ConvertibleSECTION Clean Working Conditions
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Even slight contamination can lead to defects. Therefore observe the following rules for cleanliness when working on the A/C system:
- Immediately seal the open lines and connections with clean plugs, for example from the Engine Bung Set: VAS6122 .
- Place the components that have been removed on a clean surface and cover, using lint-free shop rags.
- Carefully cover opened components or seal if the repair cannot be carried out immediately.
- Only unpack replacement parts immediately prior to installation. Do not use any parts that have been kept out of packaging (for example, in a tool box).
- Do not work with compressed air when working on an open system.
- Protect the separated connectors against dirt and moisture and only connect them when it is 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.