nm5k@wt.net wrote in
news:1155205353.443626.21130@p79g2000cwp.googlegro ups.com:

>
> Rocky wrote:
>> 96 accord, 65k miles, max a/c, both fans are on at radiator, clutch
>> is engaged on compressor, system was charged by one of those cans
>> with a gauge on it from a store (not me) - but it still blows warm
>> air - any suggestions to troubleshoot?
>> Rocky
>
> Could be a number of things. So it really needs to be checked by
> someone in person. You say someone charged it. How did they
> determine it needed it? Did they use the proper refrigerant?
> Did it work for a while right after they did that, or made no
> difference? You say the clutch is engaged.. So.. That means
> it's not off on the low pressure switch. You need to check the
> pressures again. It could be a ducting/vacuum problem with the
> ducts. It could have a clogged orifice, or a bad expansion valve.
> "This can happen if a dryer bag blows apart and shreds fer
> instance." Really need more info to go much farther. Like I say,
> if you don't know A/C systems, you probably oughta get it checked
> by someone who does. Trying to repair an A/C system with little
> knowledge can be expensive. I just talked to a guy the other day
> that went that route. He had a R-12 system that was just low..
> Needed a charge. Well, he decided to use the freeze 12 replacement,
> instead of R-12. This is itself is ok, if done right, but he added
> the
>
> freeze 12 on top of the R-12, without first dumping the R-12,
> and doing a good vacuum. R-12 and freeze 12 DO NOT MIX.
> Freeze 12 is appx 80% 134a... Mix that with R-12 and Houston,
> we have a problem. Well, he did that, and it didn't work.
> He decided to take it to a place to vacuum, and start over with
> all freeze 12, as he had a hunch they didn't want to mix.
> Well, the dummies at place #2 thought it was just low, or whatever,
> and evidentally charged it with even more refrigerant.
> I'm not sure why they didn't dump it as he requested... Maybe they
> thought he was in error, or just ignored him??
> Not sure, being I wasn't there. They blew the whole thing. Seals
> started leaking left and right, and the whole thing was pretty much
> trashed. Now he's fixing to pay 1500 bucks for a new 134a system
> by competant mechanics. Moral... be careful. You could cost
> yourself more money than just letting someone who knows
> what they are doing look at it in the first place.
> BTW, I'm no car A/C expert, as I don't work on cars. But I do
> do residential A/C and Heating, so I do know what I'm doing pretty
> much.
> I can work on car systems, but I hate em... Too much greasy work vs
> working on a house or commercial system where everything is out
> in the open and easy to deal with. You never know.. Your problem
> could be real serious, or it could be as simple as a blown vac hose..
> IE: the ac is working, but it's ducting hot air, etc, etc.. If you
> work
> on this, you at least need a good service manual.
> MK
>
>

My 94 Integra uses R134a,it would seem like a 96 Honda would too.

I wonder if his compressor is not compressing anymore?
No compressed freon;no expansion and cooling.
Maybe the compressor seals are gone.

--
Jim Yanik
jyanik
at
kua.net