Re: [Chrysler300] R12 Freon
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Re: [Chrysler300] R12 Freon





R414b is used for most R12 aircraft systems and most other R12 systems including vehicles.  It's operating characteristics are only slightly different from R12 and are of no consequence.  The best part is that it is requires no component or oil change and is even compatible with the Polyester oil that R134 uses.  For your F it is good to go if they did change the oil. 
 
First, you must find the leak, which is likely anything they messed with.  There will be an oily film where the leak is so check for that at pipe connections and service fittings.  If those areas are grungy then clean then with brake cleaner, alcohol, or any such solvent.  Hopefully there is enough refrigerant in the system to run the compressor and develop an oil film at the leak site.  At a minimum, insure that all connections are tight.
 
At one time R414b was sold in 12 oz. cans but is now likely in 25 lb. or larger bottles.  A google search finds them at several places including eBay for $260.  I have used R414b for more than 20 years for my own R12 systems and those of customers.  It also has the advantage of producing colder air than R134 can. 
 
It must be charged into the system as a liquid as it is a blend, not as a gas like most refrigerant's.

On Tue, Mar 8, 2016 at 6:38 PM, Anna F Noia sa-noia@xxxxxxxxxxx [Chrysler300] <Chrysler300-noreply@xxxxxxxxxxxxxxx> wrote:
 

Val
When you say converted to R134, what exactly did that entail? If you converted it to R134, the person converting should have replaced the seals when the system was drained and cleaned out of the R12. Or, did the conversion just mean that he drained the R12 out and refilled with R134 directly? Leaving the installation as it was with R12? I'm thinking that is what was done, just a refill of the new Freon. That being said, the new Freon may have damaged more than just the seals. I would check with a reputable shop and find out what really needs to be done to correct your situation. Changing back to R12, is now "Illegal" so a licensed shop should not do it. The other soft parts may also need replacement, not just the seals. Good luck in your investigation.  
Best Regards,
Stephen A. Noia
1-408-210-4736 cell


On Tuesday, March 8, 2016 2:37 PM, "Val Jeffers edward1108@xxxxxxxxx [Chrysler300]" <Chrysler300-noreply@xxxxxxxxxxxxxxx> wrote:


 
 Greetings Fellow 300 Owners,

 
                                 I had my G converted to R134 several years ago and found out over time it will deteriorate the seals. I have an NOS seal kit and am needing a good source of R12 freon.  Any suggestions are appreciated !


                                                                                   Thanks,

                                                                        &n! bsp;          Val Jeffers





--
Marshall Larson


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Posted by: Marshall Larson <granitledge@xxxxxxxxx>


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