Hey scotty i hear a hissing sound from the vents as i turn the ac off. It only occurs when the car is at stop after few minute idle. I already changed the condenser, evaporator, all the hoses, and the condenser.What makes the problem?

Comments
No. 1-1
ScottyKilmer
ScottyKilmer

Editor

if it runs ok, ignore it. as cars age, often refrigerant hisses as pressures equalize when shutting it off