Connect a gauge and freon can to the AC low side port of the A4. With the engine running and AC on high, open the freon valve and allow coolant to flow into the system. Turn it off when the gauge reads full.
The 2003 Audi A4 is a top of the line vehicle with many different features. This vehicle comes equipped with power windows, locks, and seats as well as a CD player and air conditioning.
If it is a B8 it should charge in the ignition while the engine is running...
You are out of freon.
Facing the car its on the right side.
right side just above grill
38psi
B7 Audi A4 C6 Audi A6 ~200kg
Over by the air filter's box.
What oil does an Audi A4
behind the glove box
1999 Audi a4 obd 2 conector problem
The 2014 Audi A4 has 16 valves.