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 DIAGNOSIS (SINGLE PAGE)ENGINE MECHANICALMECHANICALGENERAL, TECHNICAL DATA (REFRIGERANT R1234YF SERVICING)00 GENERAL, TECHNICAL DATATECHNICAL AND PHYSICAL PRINCIPLESPHYSICAL CHARACTERISTICSREFRIGERANT R1234YF, POSSIBLE DANGERS
2024 Audi Q4 e-tron Premium, AWD
Refrigerant R1234YF, Possible Dangers
2024 Audi Q4 e-tron Premium, AWDSECTION Refrigerant R1234YF, Possible Dangers
- The refrigerant is combustible in a specified mixture ratio with the surrounding air. Refer to REFRIGERANT R1234YF PHYSICAL AND CHEMICAL CHARACTERISTICS and Refer to REFRIGERANT R1234YF COMBUSTIBILITY / DECOMPOSITION .
- Fluid evaporating quickly can cause frostbite.
- High vapor concentrations can cause headaches, dizziness, drowsiness, sleepiness and nausea and can even lead to loss of consciousness.
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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.