Auto Parts: hi, r134, warrenty

Question
he got a lumina  compressor \that he had lying around and he must've known tha  the customer whose car he changed it  for must've brought it to change cuz the a/c didnpt work and so he replaced it for the lumina driver

thsi car uses an expensive gas as u know (celebrity) but i use the regular gas
and now of course the   a/c does not work
thats y he made it so cheap for the comp cuz  he knew it was a junk used one

and i did not ahve 4 hundred to pay for new one thanx
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Followup To

Question -
thanks gordon
i live in bklyn new york
the mechanic had a compressor for a lumina and instaled it saying it was compatible and would last at least a month
during which time hewould fix it for free if it broke down
but he sed the a/c would not work
if u ahve any  details about what needs to be done to  amelioir8 this  please tell me
thanks
so if i do the r134  can thing will that  enable the a/c?
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Followup To

Question -

my 1989 6 cyl? or 4? i think 6 european celebrity
compressor broke and i dont have the  $ to fix it
where cna i get a cheap  compressor?  that will either  allow the a/c to work and run the car or just  the latter
price range
for used and new

if not practical what is more strategic
?
junk the car
or sell it for scrap?

good conditiion but ahs 170 k miles  
frshly paionted
thanks


Answer -
Hello,
     I would say the most economical way to get an A/C compressor is to get one from a junk yard. Most of the time they will have a 30 day warrenty on them so if they are locked up you can exchange them. you need to make sure you retro-fit your a/c to R134a. If you do that you may be able to get away with spending less than a hundred bucks.A can of R134a is about 10 bucks a can and you will probably need three. Let me know where you live and maybe I could help more. Good luck.

         Gordon.

Answer -
Did the mechanic say why the a/c would'nt work.It doesnt make much sense to me for him to put on a compressor if it was only going to work for a while.I need some more info about why it woulnt work. Any info youc an give me will make it easier to help. Thanks.       
         Gordon.

Answer
I think I would go to a junk yard and get another compressor. You should be able to get one cheap. Then go to your local auto  parts store and purchase a retro-fit kit($30).You should be able to charge it yourself with a little help from the parts guys.Let me know how it goes. Good Luck.

         Gordon.