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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSAUDI2025Q4 E-TRON PREMIUM PLUS, AWDREPAIR AND DIAGNOSIS (SINGLE PAGE)GENERAL INFORMATIONENGINEGENERAL COOLING SYSTEM SERVICE - GENERAL INFORMATIONMAINTENANCEREFILLING
2025 Audi Q4 e-tron Premium Plus, AWD
General Cooling System Service - General Information: Maintenance: Refilling
2025 Audi Q4 e-tron Premium Plus, AWDSECTION Refilling
To prevent air from being trapped in engine block, engine should be running when refilling cooling system. After system is full, continue running engine until thermostat is open, then recheck fill level. Do not overfill system.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.