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 161 (COOLING SYSTEM [CZPB,CZRA,DBFB,DKZB,DKZC,CZPC,DKZA,DKVA,DKVB,CZPA])
2018 Audi A5 Quattro Prestige, 2D Convertible
Section 161 (Cooling System [CZPB,CZRA,DBFB,DKZB,DKZC,CZPC,DKZA,DKVA,DKVB,CZPA])
2018 Audi A5 Quattro Prestige, 2D ConvertibleSECTION Section 161 (Cooling System [CZPB,CZRA,DBFB,DKZB,DKZC,CZPC,DKZA,DKVA,DKVB,CZPA])
WARNING: This page is about a different car, the 2020 Audi A3, 2019 Audi A3, and 2018 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.
- 19 Cooling System
- Coolant System/Coolant
- Coolant Pump/Coolant Thermostat
- Overview - Coolant Pump/Coolant Thermostat
- Overview - Electric Coolant Pump
- Overview - Engine Coolant Temperature Sensor
- Electric Coolant Pump, Removing And Installing
- Coolant Pump, Removing And Installing
- Coolant Pump Toothed Belt, Removing And Installing
- Engine Temperature Control Actuator -N493-, REMOVING AND INSTALLING
- Engine Coolant Temperature Sensor -G62-, REMOVING AND INSTALLING
- Engine Coolant Temperature Sensor on Radiator Outlet -G83-, REMOVING AND INSTALLING
- Coolant Valves, Removing And Installing
- Coolant Pipes
- Radiator/Radiator Fan
- Special Tools
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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.