Audi A4 Owners & Service Manuals

Audi A4: Checking and Filling

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 Fuel

Types of gasoline The correct gasoline grade is stated on the inside of the fuel filler door. The vehicle is equipped with a catalytic converter and must only be driven with unleaded gasoline. Audi r

 Refueling

Messages The following messages may appear depending on the vehicle equipment: Messages If the indicator light appears with a corresponding message, refuel the vehicle. Tank system: malfunction! P

 Emissions control system

General information WARNING The temperature of the exhaust system is high, both when driving and after stopping the engine. Never touch the exhaust tail pipes once they have become hot. This could

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 CV Joint, Servicing

Outer CV Joint, Removing - Clamp the drive axle in a vise with protective covers. - Open both clamps and remove the CV boot from the outer joint. - Drive out the CV joint from the drive axle with a copper or brass mandrel -A- on the inner ring. - Remove joint and CV boot. Out

 Refrigerant R134a

Refrigerant R134a Physical Data Vehicle air conditioning systems make use of the vaporization and condensation process. In this case, one works with a substance which boils easily, designated as refrigerant. The refrigerant used is tetrafluoroethane R134a, which boils at -26.5 ºC (-15.7 ºF) at

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