Air Conditioning system refill for a 92 Celica? - Toyota Celica Forum
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post #1 of 19 (permalink) Old 08-27-2005, 08:49 PM Thread Starter
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Hey guys,

The 90-93 celicas apparently had R12 refrigerant in the system. Ive been told that the system must be retrofitted to R134 to properly use R134 refrigerants that can be bought off the shelf everywhere. Im wondering what the cost of retrofitting is, and what would happen if i didnt retrofit and just put R134 in my system?
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post #2 of 19 (permalink) Old 08-27-2005, 09:40 PM
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you cant. r12 has a smaller "nozzle" (dont know what else to call it)..stem i guess, anyway its threaded and looks like a tire inflator air stem. 134 has a snap on stem/nozzle. u can buy a retro fit kit anywhere autozone, walmart ,etc. it just involves changing the 2- r12 stem pieces w/ r134 pieces, then fill w/ the coolant that comes w/ the kit. youll prob need more if your totally dry, so buy an extra can. also charge the oil so you dont freeze up & blow a seal since it may have been dry for awhile. < 1hr & under $35

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post #3 of 19 (permalink) Old 08-28-2005, 05:40 PM
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That, and R12 and R134a don't particularly like working together.

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post #4 of 19 (permalink) Old 08-28-2005, 08:11 PM
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whoa whoa whoa hold on. i just got quoted a 1000 bucks to change my r12 system over to r134 and u say i can do it myself with 35 bucks! so sorry what do u need to get just new adapters to fit the recharge bottle?
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post #5 of 19 (permalink) Old 08-28-2005, 08:15 PM
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http://www.dmcnews.com/Techsection/r134.html


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post #6 of 19 (permalink) Old 08-28-2005, 10:15 PM
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thats VERY thorough.dont be intimidated...its not as bad as it sounds

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post #7 of 19 (permalink) Old 08-28-2005, 10:39 PM
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I hope so. I'm planning on attempting this next summer.


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post #8 of 19 (permalink) Old 08-28-2005, 11:10 PM Thread Starter
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Quote:
Originally posted by craig286@Aug 28 2005, 11:11 PM
whoa whoa whoa hold on. i just got quoted a 1000 bucks to change my r12 system over to r134 and u say i can do it myself with 35 bucks! so sorry what do u need to get just new adapters to fit the recharge bottle?
Yea i got quaoted $800-900 for a retrofit.....i guess i can do it all myself except for the vacuum part.......dont konw of any way of getting the R12 ouf excet to go to an AC shop and pay them ~50 to vacuum that for me......
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post #9 of 19 (permalink) Old 08-29-2005, 10:00 AM
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i tried to tell you guys this but everyone seems to have the impression that you can go buy the retrofit kit and just put it in. i don't even know why they sell a retrofit kit if you have to have the a/c system vacuumed/flushed before coverting it. but that a good write up u found there doug!


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post #10 of 19 (permalink) Old 08-29-2005, 07:02 PM Thread Starter
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hey guys, i just came across a guy who is selling a few small (14oz) cans of R12 locally.....if i get those, what will i need to be able to recharge my AC system? will i need to take the R12 to a AC shop or will i be able to do it myself with one of those cheap pistol-hose things?
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