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


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Old 08-25-2005, 01:05 PM   #1
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Default Will Freeze-12 ruin R-12 systems

Well, damn I got convinced to use Freeze-12 in my 1993 bonneville and in doing so I researched Freeze -12 and Freeze 12 is actually 80% R-134 and 20%R-142b. Although R-12 mineral oil was used with the Freeze-12, I'm not sure if this is going to ruin my system or my compressor, would anybody know more information about this. I am going to have this system redone with r-12 and soon. Just the fact that knowing this Freeze-12 stuff is actually R134.
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Old 08-25-2005, 01:26 PM   #2
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There was/is a product around my area called Freeze 12. It'* been stated that it mixes with R12 and works great. However another member picked some up and the label said not to mix with R12.

Not sure if it would hurt anything, but I'd follow the label.
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Old 08-25-2005, 01:39 PM   #3
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Quote:
Originally Posted by BillBoost37
There was/is a product around my area called Freeze 12. It'* been stated that it mixes with R12 and works great. However another member picked some up and the label said not to mix with R12.

Not sure if it would hurt anything, but I'd follow the label.

thank you, though i didnt mix it with R-12 because the system was vacummed out. I will have it vacummed out again to put r-12 back in it. its really weird on company says it works and some say it won't, But what I truly think It won't work.
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Old 08-25-2005, 02:31 PM   #4
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hmm just convert over its cheaper

does your AC system hold a Vaccum for a Peroid of time?
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Old 08-25-2005, 02:46 PM   #5
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I agree, if you are going to vacume the system down, go ahead and convert to the 134a...

I converted my 91 to 134 over 5 years ago... It worked great for a long time.... But here it is the car is 15 years old( Manufactured Oct 90 ) and the compressor is getting weak... But it still gets cold...

Converted the 92 Mitsu to 134a 5 years ago as well... Its still get cold on a pan frying day...

My 95 which came with 134, well it gets cool, not as cold as I'd like but for 95F and 97-100% humidity, it still does its job...

Keep in mind all of these cars are over 100,000 miles and the AC systems are used all of the time( and all of the AC components are all original )... No problems with 134 here

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Old 08-25-2005, 03:03 PM   #6
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I run 134a this summer in my car and it seems to work good
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Old 08-25-2005, 03:12 PM   #7
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Quote:
Originally Posted by GAMEOVER
hmm just convert over its cheaper

does your AC system hold a Vaccum for a Peroid of time?
Yes its suppose to hold vaccum for 15 -2 20 minutes and it does. The A/C system is fine, its just the freon was from 1993 when it was brand new and I decided to have it recharged.
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Old 08-25-2005, 03:21 PM   #8
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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)
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Old 08-25-2005, 03:39 PM   #9
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It'* my understanding (I'm no AC expert) that as long as the oil is compatible then you should be fine.

Also that to convert all you need to do is change the oil (tyipcally change compressor only) and then add the 134 freon. Supposedly it'* all about the oil.
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Old 08-25-2005, 03:55 PM   #10
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Quote:
Originally Posted by BillBoost37
It'* my understanding (I'm no AC expert) that as long as the oil is compatible then you should be fine.

Also that to convert all you need to do is change the oil (tyipcally change compressor only) and then add the 134 freon. Supposedly it'* all about the oil.
Thank you for your information, I seem to agree with you aswell, I have heard that once before and that i would be fine. Hey Bill nice Bonne.
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