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 INFORMATIONROUTING AND SECURING LINES
2018 Audi A5 Quattro Prestige, 2D Convertible
Routing And Securing Lines
2018 Audi A5 Quattro Prestige, 2D ConvertibleSECTION Routing And Securing Lines
WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2020 Audi S3, 2020 Audi RS 3, 2020 Audi A3 Quattro, 2020 Audi A3, and 2019 Audi S3. However, it is still accessible from the selected car via links, so may be relevant.
- To avoid mistakes and to remember the original installation location, mark the lines/hoses for fuel, hydraulics, vacuum, EVAP system or electrical wires before removing. If necessary, make a sketch or take a picture.
- To prevent damaging the lines, make sure there is sufficient clearance in the engine compartment for all moving or hot components because of space limitation.
- Check the routing of the refrigerant lines after attachment. They must be inserted into the provided brackets and must not come in contact with other components.
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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.