Audi A4 Owners & Service Manuals

Audi A4: Refrigerant Circuit

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 A/C System Repair Information

Air conditioning systems designed for refrigerant R12 are only to be filled with refrigerant R134a if certain requirements are fulfilled. Refer to → Chapter "Refrigerant Circuit, Convertin

 Using Service Station

 General Information

Vehicles with a high-voltage system (hybrid vehicles) Extremely Dangerous Due to High-Voltage The high-voltage system is under high-voltage. Death or serious bodily injury by electric shock. - I

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 Safety precautions

Explanation of warning symbols: Observe all warnings - there is a risk for injury!   Always follow the instructions in the operating manual. Electrolyte fluid is highly corrosive. Always wear protective gloves and eye protection. First aid: if electrolyte fluid enters the eyes, immediatel

 Exhaust System, Emissions Controls

Exhaust Pipes/Mufflers Overview - Muffler Overview - Muffler, FWD Vehicle 1 - Retaining Loop Replace if damaged Exhaust system, installing without tension. Refer to → Chapter "Exhaust System, Installing without Tension". 2 - Bolt 23 Nm 3 - Bracket 4 

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