I have 6 yr old Honda accord in mint condition and recently I noticed that A/C was not getting cold enough. Suspecting leak, I put freeon in the morning and by the evening A/C will blow warm air. I did that using a/c recharge kit from wal-mart.

Today, I took my car to a mechanic. He ran his system to evacuate completely and put new freeon. After this was done, now my a/c constantly blows warm air and the hi pressure side is cold while cold pressure hoses are warm. The mechanic tells me that expansion valve is clogged, so i need to replace that and receiver drier too, take compressor out, flush the whole system and add new free on, all for $500 or so.

Is this the correct diagnosis? Should I take second opinion?

TIA,

-Perry

 

I've seen alot of bad expansion valves, never seen one cause the high side lines to be cold. I'd be looking for a restriction in the high side between the compressor and the point that it is cold.

 

if the expansion valve wqas bad the tech should have known it right away from the pressure readings ,

post the pressure readings here .. it will tell us a lot more of what is going on,,,,,,,,,,,