Audi A4: Laws and Regulations

 Refrigerant Circuit

Refrigerant Circuit with Expansion Valve and Evaporator The following illustration shows only the principle of a refrigerant circuit, the design of the refrigerant circuit in the respective vehicle can be found in the vehicle-specific repair manual. Refer to → Heating, Ventilation and Air

 Inner CV Joint, Checking

It is necessary to disassemble the joint whenever replacing the grease or if the ball surfaces show wear or damage. Disassembling   Note Ball hub and joint are paired and should be identified before removal. Do not interchange ball race allocation. - Tilt the ball hub and ball cage. -&n