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 MANUALSAUDI2010A3 2.0T, 2.0 E, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)HEATING, VENTILATION & A/C (HVAC)GENERAL SERVICINGGENERAL, TECHNICAL DATA - REFRIGERANT R134A SERVICING (1 OF 2)GENERAL, TECHNICAL DATAGENERAL INFORMATIONREFRIGERANT CIRCUIT AND COMPONENTSO-RING SEALS
2010 Audi A3 2.0T, 2.0 E, Standard
O-Ring Seals
2010 Audi A3 2.0T, 2.0 E, StandardSECTION O-Ring Seals
- Make exclusive use of seals which are resistant to refrigerant R134a and the related refrigerant oils. Color coding of O-rings is no longer employed. Colored and black O-rings are used.
- Be sure to use seals with the correct inner diameter. Refer to REFRIGERANT CIRCUIT O-RINGS .
- The O-rings may be used one time only.
- Coat the seals lightly with refrigerant oil (PAG oil) before installing.
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.