Re: [DML] Air Conditioning

[Soma576@xxxxxxx]

In a message dated 3/6/05 5:21:08 PM Central Standard Time, tan5732@xxxxxxx 
writes:


> Hello,
> 
> I assume this will be a relatively simple question to answer as most of you 
> have had to do this at some time or another.  My question is, what is 
> involved with restoring the air conditioning system.  I'm guessing you would have to 
> dispose of the old R12 Freon and switch to 134A, right?  Does that mean a 
> new compressor?  My guess is this is not something the average home mechanic 
> could do, given the disposal of Freon and recharging, etc.  What's the average 
> cost, I know there are many factors, but a general figure will do.
> 
> Thanks in advance,
> Todd

Todd,

It is possible to convert fairly cheaply but it may not last long, as in you 
may need to recharge it every other year or so.  what they will do is replace 
the service ports on the compressor, drain the oil, vacuum the system down for 
hopefully an hour or more, then make sure it can hold a vacuum. that will 
tell you if you have any leaks.  if not, they will recharge the system with R134A 
and test it out.  I have done this before and the A/C works great, don't 
worry about it not being powerful enough.  It's so cold you will be running with 
it on the lowest fan speed all the time once the cabin has cooled down.

Others will tell you to replace a bunch of O-rings and such, and if you 
really want to do it 'right' you should, but I have found that it's more cost 
effective just to recharge every other year.  At least until I do a total system 
replacement.... the way it is right now at least gets me thru the summers. I 
think it cost me about $90 to do it each time. 

Andy


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