Will Freeze-12 ruin R-12 systems - Page 3 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 08-28-2005, 02:49 PM   #21
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I don't know where you're getting this $1,100-$1,800 bill for converting to R-134, I did it MYSELF in 15 Min, for $40 bux from the local parts store. Only thing I couldn't do was vaccum down the system.

All converting really needs to be done iss changint the fittings to accept the R-134a fittings, sucking it down, and filling it back up. The seals can hold it just fine.
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Old 08-28-2005, 04:11 PM   #22
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Quote:
Originally Posted by bigbadbonneville
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Originally Posted by GAMEOVER
hmm just convert over its cheaper

does your AC system hold a Vaccum for a Peroid of time?
, No i dont want to convert it to R-134 thats not the question or I would have done it. but converting a system would mean tons of money like 1000 - 1800 dollars. changing the evap core, the lines, the compressor and numerous of other parts like seals and what nots, for what, the system works flawlessly with R-12 and if it means going to the dealership and spending $250 - $300 in just a recheck and recharge then I will spend $250- $300. The question is the mechanic put Freeze-12 in my system and since its 80% R-134a and 20% R-142b is this going to ruin my system being R-12. (He did evacuate all existing freon from the R-12 system and also used R-12 Mineral oil and not ester for R-134)
at the shop i convert many cars over to R134a weekly its a rather cheap and ez process
check you info you dont have to change anything but a few fittings

R134a doesnt ruin any seals or any components
Please before you get Bogus in check with you Local GM dealer 1st
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Old 08-30-2005, 01:14 PM   #23
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Quote:
Originally Posted by GAMEOVER
Quote:
Originally Posted by bigbadbonneville
Quote:
Originally Posted by GAMEOVER
hmm just convert over its cheaper

does your AC system hold a Vaccum for a Peroid of time?
, No i dont want to convert it to R-134 thats not the question or I would have done it. but converting a system would mean tons of money like 1000 - 1800 dollars. changing the evap core, the lines, the compressor and numerous of other parts like seals and what nots, for what, the system works flawlessly with R-12 and if it means going to the dealership and spending $250 - $300 in just a recheck and recharge then I will spend $250- $300. The question is the mechanic put Freeze-12 in my system and since its 80% R-134a and 20% R-142b is this going to ruin my system being R-12. (He did evacuate all existing freon from the R-12 system and also used R-12 Mineral oil and not ester for R-134)
at the shop i convert many cars over to R134a weekly its a rather cheap and ez process
check you info you dont have to change anything but a few fittings

R134a doesnt ruin any seals or any components
Please before you get Bogus in check with you Local GM dealer 1st
LMAO at just a few fittings and seals. the compressor is the main thing in converting to R134a. A r12 compressor is different from r134a and also the Evap also. Please research A/C before making cheap $40. conversions. If your system does not leak, I would recommand just having the dealer recharge it with R-12, but if the system does leak then do the conversion and get the correct applications in converting to R134a and not some cheap fittings from Pep boys. LMAO
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Old 08-30-2005, 01:24 PM   #24
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Quote:
Originally Posted by LakevilleSSEi
I don't know where you're getting this $1,100-$1,800 bill for converting to R-134, I did it MYSELF in 15 Min, for $40 bux from the local parts store. Only thing I couldn't do was vaccum down the system.

All converting really needs to be done iss changint the fittings to accept the R-134a fittings, sucking it down, and filling it back up. The seals can hold it just fine.
here is a website that did that coversion: http://www.se-r.net/heat_ac/converting_from_r12.html

lol at the seals holding just fine.
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Old 08-30-2005, 03:58 PM   #25
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It'* my understanding that to work properly, the R134 must be compressed much more than the standard R12 to generate the same effect and many older cars with the 134 conversion cool less and at a standstill do not cool at all.

Also, to add to that, if you go with any "off brands" or modifiers to the R12 system then people that work on air conditioning will not reclaim your modified R12 because they will taint their system. Many modifiers also include flammable materials that can be hazardous should you be in an accident. Bottom line, if you have an R12 system, its best to stick with an R12 system.
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Old 08-30-2005, 05:22 PM   #26
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Quote:
Originally Posted by chuck03
It'* my understanding that to work properly, the R134 must be compressed much more than the standard R12 to generate the same effect and many older cars with the 134 conversion cool less and at a standstill do not cool at all.

Also, to add to that, if you go with any "off brands" or modifiers to the R12 system then people that work on air conditioning will not reclaim your modified R12 because they will taint their system. Many modifiers also include flammable materials that can be hazardous should you be in an accident. Bottom line, if you have an R12 system, its best to stick with an R12 system.
Chuck you hit it right in the button, Exactly "The Bottom Line if you have an R12 system, its best to stick with an R12 system". Hats off to you Chuck. Thanks for clarifying that for me.
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