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 MANUALSAUDI2025A4 QUATTRO PRESTIGEREPAIR AND DIAGNOSISELECTRICALCOMPONENT LOCATIONSCOMPONENT LOCATIONS: A/CCOMP. LOC. A/CENGINE COMP.
2025 Audi A4 Quattro Prestige
Engine Comp.
2025 Audi A4 Quattro PrestigeSECTION Engine Comp.
- 1 -
Recirculation pump -V55-
- Only with parking heater
- 3 -
Coolant shut-off valve -N82-
- Currently only installed on specific vehicles with a 4-cylinder engine
- 4 -
Heater coolant shut-off valve -N279-
- Component location on vehicles with parking heater and 4-cylinder engine
- For 6 cylinder engines -8- Heater coolant shut-off valve -N279-
- 5 - Parking heater radio receiver -R64-
- 7 -
Coolant recirculation pump -V50-
- Component location on vehicles with 4-cylinder engine
- For 6 cylinder engines -9- Coolant recirculation pump -V50-
- 8 -
Heater coolant shut-off valve -N279-
- Only with parking heater and 6 cylinder vehicles
- 9 -
Coolant recirculation pump -V50-
- Only for 6 cylinder engines
RENDER: 1.0x
NO RELATED
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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.