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 MANUALSAUDI2024Q4 E-TRON PREMIUM, AWDREPAIR AND DIAGNOSISHYBRID/ELECTRIC POWERTRAINBATTERY MANAGEMENT SYSTEMSGENERAL, TECHNICAL DATA (REFRIGERANT R1234YF SERVICING)00 GENERAL, TECHNICAL DATATECHNICAL AND PHYSICAL PRINCIPLESADDITIONAL INFORMATION SOURCES
2024 Audi Q4 e-tron Premium, AWD
Additional Information Sources
2024 Audi Q4 e-tron Premium, AWDSECTION Additional Information Sources
- service information for model-specific repair work. Refer to Component Location Overview - A/C System (vehicle-specific service information) and Wiring Diagram.
- Technical Service Handbook (HST) outlining action to be taken to rectify current problems
- Self-study program, video programs for in-dealership training and VW/Audi TV programs about the A/C system
- The specific dangers associated with the refrigerant, material data etc. can be found in the safety data sheets. Refer to for safety data sheets for refrigerant, refrigerant oil etc.
- Special tools and workshop equipment needed to service the A/C system. Refer to the Parts Information (Tools; Special Tools and Equipment: A/C and Heating).
- Refer to local regulation notes for disposal of refrigerant oil and contaminated refrigerant.
- For vehicles whose refrigerant circuit is filled with refrigerant R134a (vehicles with a type approval which was released before 12/31/2010 and until 12/31/2016 for those which were/are place on the market for the first time. Refer to LAWS AND REGULATIONS .
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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.