I've read a lot of posts about the air conditioning failing in Honda Fits. It happened to me and it plagued me for 3 years, but Honda finally figured out the problem, and I want to share the results in case it helps anyone.

I bought a 2010 Honda Fit Sport. After 9 months, the A/C started to fail in warm weather. Same as the stories you see here...air blows fine but blows warm when it's over 80 degrees outside. I took it in to the dealer, they found low freon levels and refilled it with more coolant. But the same problem happened again in 6 months. And again 6 months later. The service techs added dye to find the leak, but they didn't find one. When my car was at the end of its warranty, one of the service reps basically told me they wouldn't keep fixing the problem for free anymore.

I pushed back, writing to the service manager. They agreed to keep trying to fix the problem, since it was identified well within the warranty period and was never adequately repaired.

Finally, they found the problem. It wasn't one of the A/C problems I found from reading these forums (evaporator temperature sensor, broken thermistor, bad relay, rocks hitting the condenser, etc.).

In my case, it was a leak at the evaporator (part number 80211-TF0-G01). The problem traced all the way back to the manufacturing of my car. So if any of you have a similar A/C failure, ask the technicians to check that part for freon leaks.

 

Good information.

It's a fairly complex system (as is any A/C) and doesn't cool exceedingly well even when in peak form. I haven't heard of any other evaporator replacements either.

Glad you got your problem solved.

 

Im surprised it took them so damn long to find that out, considering a leak, however small, reacts to a spray that most AC repair guys use. it chemically (colorfully) reacts to leaks to make it super easy to find em!!

Just a sign of a dealership being lazy!

 

yep, sounds like a dealer probem more than anything.

also pretty sure our cars dont use freon (R12). they use HFC-134a.

 

meh "freon" is like "coke" at least down here in the south... "Would you like a coke?" is the same as "Would you like a soda" in other parts of the country.

Personally I say refrigerant. HFC-134a is a mouthful.

 

refrigerant or cooling agent sounds good to me.

freon sounds pre-1990's or the who the f- cares era.

 

Most knowledgeable people know that "Freon" (a DuPont brand name for their refrigerants, not just R12) is used generically for refrigerant. Occasionally you get an anal prick that calls someone on it.