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Car Forum / Acura Cars / October 2005R12 to R134 Conversion
Has anyone had success with one of those $40 kits to convert from R12 to R134 on Acuras ('91 Integra) or Hondas if they use a similar system? My AC has slowly faded so that now it doesn't cool at all. I used one of those kits to do the conversion on a '79 Toyota Cressida and it worked fine, but I don't know if the success varies depending on the system being converted. I certainly don't need the AC now, but I'm also wondering if it would be better to restore it to operation now rather than leave it as is for the winter. Thanks. --Art do not shop for auto parts at stores that sell underwear and import everything from china > Has anyone had success with one of those $40 kits to convert from R12 to > R134 on Acuras ('91 Integra) or Hondas if they use a similar system? My AC [quoted text clipped - 11 lines] > > --Art > Has anyone had success with one of those $40 kits to convert from R12 to > R134 on Acuras ('91 Integra) or Hondas if they use a similar system? My AC [quoted text clipped - 11 lines] > > --Art Going to 134 with existing components is a waste of time and money. If your 12 system leaked down, then you have to find out why before you do anything anyhow. When you do, fix it and refill it with Freeze-12 and you'll be a happy camper. > Has anyone had success with one of those $40 kits to convert from R12 > to R134 on Acuras ('91 Integra) or Hondas if they use a similar > system? Your car had R12 from new. If you're in the US, you can still have your system recharged with the good stuff (once they find and fix any leaks that might exist). If you're in Canada, you're SOL. Just because your system has faded does not mean you've got a detectable leak. 15 years is a long time for AC systems to stay 100% air-tight. > My AC has slowly faded so that now it doesn't cool at all. > [quoted text clipped - 5 lines] > be better to restore it to operation now rather than leave it as is > for the winter. Apparently there is a new substance called Duracool that is better for older systems than R-134A conversions. It can even seal some small leaks. http://www.duracool.com/ They guarantee in writing that no part of your system will be harmed by the stuff. This outfit got a write-up in the Toronto Star Wheels section on Saturday.  SignatureTeGGeR® The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ >> Has anyone had success with one of those $40 kits to convert from R12 >> to R134 on Acuras ('91 Integra) or Hondas if they use a similar [quoted text clipped - 3 lines] >system recharged with the good stuff (once they find and fix any leaks that >might exist). If you're in Canada, you're SOL. Yebbut - In the US, Freon is now something like $50/lb. I have fixed and converted two old cars' AC systems to R134a at a total cost of about $250 each. I figured that each of them only had to blow a seal once after conversion, and I'd be ahead in the game, not having to spend *another* $150 to $200 on more Freon. I agree though that even in those old cars with 'instant on' compressors, Freon gets icy cold a lot quicker than R134 does. SignatureDan. -------------snip--------- > Apparently there is a new substance called Duracool that is better for > older systems than R-134A conversions. It can even seal some small leaks. [quoted text clipped - 5 lines] > stuff. This outfit got a write-up in the Toronto Star Wheels section on > Saturday. Sounds like it is better, but I just came across this that says it's illegal (to use flammable refrigerants in a car) in my state: http://www.aircondition.com/wwwboard/alternative/current/6454.html (acceptable according to EPA site http://www.epa.gov/ozone/snap/refrigerants/lists/mvacs.html, but does not necessarily mean that the refrigerants on the list work well) --Art <snip TeGGer's mention of Duracool in a newspaper article> > Sounds like it is better, but I just came across this that says it's > illegal (to use flammable refrigerants in a car) in my state: > http://www.aircondition.com/wwwboard/alternative/current/6454.html Flammable refrigerants = hydrocarbons. Duracool is a refined version of propane (also a HC refrigerant), and even smells the same as that. > (acceptable according to EPA site > http://www.epa.gov/ozone/snap/refrigerants/lists/mvacs.html, but does > not necessarily mean that the refrigerants on the list work well) Your allusion to HC refrigerants prodded my memory, and I found this in a Google Groups search: http://tinyurl.com/cozgo Pay particular attention to the part where Daniel J. Stern gets involved. Maybe Duracool is not such a good thing. SignatureTeGGeR® The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ I haven't made a decission yet, but I was in PepBoys today so I thought I'd check out their kit. Nothing on the floor so I ask an employee. He has no idea what I'm talking about so he attempts to look it up on the computer, but he can't find it there. I ask him if he knows where any little cans that read "R134a" are. That worked. They are practically right behind him on an endcap behind the counter. I see the kit so I tell him "there it is on the right" (we're both facing the endcap), but he looks more towards the left. I correct him, "on the right". He moves further left. Obviously I had made the mistake of not telling him it was on his other right. From there it was almost a game of warmer/colder. --Art > I haven't made a decission yet, but I was in PepBoys today so I > thought I'd check out their kit. Nothing on the floor so I ask an [quoted text clipped - 7 lines] > mistake of not telling him it was on his other right. From there it > was almost a game of warmer/colder. He was employed by PepBoys. That should have told you something right there. $7 per hour. He's clueless and uninterested. Part-time job for him. Did you notice the "L" and "R" chalked on his shoes? SignatureTeGGeR® The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ > He was employed by PepBoys. That should have told you something right > there. $7 per hour. He's clueless and uninterested. Part-time job for him. > > Did you notice the "L" and "R" chalked on his shoes? LOL! But in fairness, I've met a few interested PB employees... Oh GAWD, I just admitted I've been PB's. I have literally seen hundreds of Hondas converted to R134a with no effect and with no great cost other than repairing the problem the vehicle came in for in the first place. All that I have seen have been reliable and no detrimental effects. And all this in the wonderfully boiling hot area called Central Florida. After any problems have been solved, if there are any, all that is needed is to replace the high and low side schrader valves which are different size (larger) than R12 valves. You can get these valves at most auto parts stores such as Napa or Pep Boys, etc. Average price of approximately $5-6 each. Of course the complete removal of any old R12 left in the system as well as a thorough vacuum drawdown before refilling with R134a is necessary. If anyone has doubts as to the simplicity of this conversion, Honda themselves provided a conversion kit containing these exact items, but of course the price was reasonably higher. The savings in the conversion for the long term if any other repairs are needed are easily returned in the cost difference between R12 and R134a. After you've found the source of your slow leak add a small bottle of A/C dye to your system. This will greatly ease the search for any future leaks you may get. The dye will show up under ultra-violet light and show up where the leak is. Good luck, Howard > Has anyone had success with one of those $40 kits to convert from R12 to > R134 on Acuras ('91 Integra) or Hondas if they use a similar system? My AC [quoted text clipped - 11 lines] > > --Art |
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