I have freon coming out of a/c..someone told me that I needed to replace the evaporator core.. does anyone know how I would go about doing this, if this is the problem?

2002 Honda Accord SE 2.3ltr V-tech

 

Where is it leaking from? It could easily be one of the o rings in the ac system. You would only have to replace the evap core if severe damage or lots of trash was in the system.

 

What a/c tools do you have available?

How did you verify that you lost R-134a?

If you did lose R-134a, the next step is to find the leak.

 

Freezing of evap core can occur w/ discharge of humid white fog due to condensation. Causes are low refrigerant charge or faulty thermostat.

That said, the evaporator fittings (expansion valve and feedback bulb) have orings that are prone to leak w/ age. If you've lost refrigerant w/ no other obvious sources of leaks, evap orings are suspects.

Removal of evap housing is pretty easy, but requires use of shop manual to find all the fasteners and details of procedure. See Online Manuals post in DIY forum for a download.

good luck

 

Can you give a little more information?

The reason I ask is you will likely never see refrigerant coming out of a system. Sure, cut the hose and woosh, it comes out, but after that it's gone...

What I think you are seeing is frozen mist coming out of the vents and that's not unusual. If it's a very humid day, the evaporator can get cold enough to freeze the moisture not unlike when you can see your breath when it's cold out. If it bothers you, switch to recirculate...

Now, if the evap is freezing up (turning to a block of ice and stopping air flow) like Texas said, that's a different story.

So, can you provide a little more information and I am sure someone will have the answer.

 

The fumes are coming through the vents...choking

 

I used a can of artic freeze from the auto parts store...ever since then when I try to run ac the smell of freon comes through the vents and its smothering. No signs of mist..just horrid smell

 

Do you mean a chemical smell or dirty, moldy socks smell?

An evap leak would allow PAG (strong chemical smell) to escape.

A dirty evap full of leaves/dirt will have a putrid moldy smell.

good luck

 

Odd. I would say any odor shouldn't last long as the refrigerant would be gone in short order if the leak is big enough to smell.

Without smellovision, I'm not sure I can help. It may be time to call in the pros.

 

I mean a chemical smell.. I tried running ac yesterday, everything seems to work correctly except for the chemical smell that I am pretty sure its freon.

Does anyone have a diagram on how to change the o-rings out and where they are located at?