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new envionmentally safe refrigerant

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frankiee

08-01-2007 13:51:42

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I was wondering if the new "safe" refrigerant was worth a try.
Truck is with out airconditioning now and will cost over $1100 to fix it.
I figure I can give it a stab but I would have to use the environmentally safe stuff because my ODP card expired years ago and I cant buy freon.
Has anybody tried this stuff??

Thanks

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Jon Hagen

08-02-2007 13:44:16

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Re: new envionmentally safe refrigerant in reply to frankiee, 08-01-2007 13:51:42

Not enough info in your post to guess a guess what your talking about. What make /year/model truck and what is wrong that will cost $1100 + to repair ?

Anyone can walk in off the street and buy R134a at most auto parts or big box stores without any permit or license.

I have had good luck converting many R12 systems to R134a and none have cost more than $100 in parts, one with a bad $200 compressor cost right at $300 including a new dryer.

I am not sure what you mean by a enviormentally "safe" refrigerant, the only one authorized by the EPA is R12 and R134a.

atleast one snakeoil refrigerant uses the words enviornment or a shortned version of the word and the word safe on the can. What they dont tell you that the can contains a mixture of propane and butane and are as flamible as stove gas which is what it is.
Check out this link before you decide to try any of this stuff. Could be real unsafe for your environment if you got a leak and ignition sorce in the passenger compartment, plus any parts warrenty is void with this stuff.

Alternative refrigerants

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glennster

08-01-2007 18:25:53

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Re: new envionmentally safe refrigerant in reply to frankiee, 08-01-2007 13:51:42

i did he changeover to r134 on my 1990 suburban . truck has rear air, takes 5 1/2 lbs of r-12. close to 400 just for freon so...down to napa for the kit, has valves the screw on over the old fitting to accept 134. you need to evac the system real good, run the vaccuum pump for a half hour or so. be sure to add the ester oil before you recharge with 134. also, only use 80% of the amount of 134 in the system. find out how much r-12 the system held, multiply by .8 and that will give you the amount you need to add. my ac cools pretty close to what the r-12 did and its a lot lower cost.

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rexhellwig

08-01-2007 15:47:55

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Re: new envionmentally safe refrigerant in reply to frankiee, 08-01-2007 13:51:42

If the system you plan to try it on has an orifice tube at the evaporator inlet, it MIGHT work well enough to satisfy you. If it has a thermostatic expansion valve, I have NEVER seen any of this stuff pass a factory performance test. {But it might "cool" if you put your face right next to the air vent}

If anyone promises you wonderful results, get it in writing. But prepare to be disappointed.

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bunghammer

08-01-2007 14:49:13

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Re: new envionmentally safe refrigerant in reply to frankiee, 08-01-2007 13:51:42

Do you have r-12 in your truck? If so, I used what is called freze 12 in my truck it has a lower head psi. then some of the cheaper brands and cools just as good as r-12. It wil mix with your r-12 unlike r134a in which you would have to flush and retrofit your system. That can get expensive. Stay cool man, Brian.

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Ebbsspeed

08-02-2007 11:16:36

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Re: new envionmentally safe refrigerant in reply to bunghammer, 08-01-2007 14:49:13

I second the Freeze-12 suggestion. I refilled the system in my 92 Buick Roadmaster with it and it preforms as well as it ever did. No evacuation or flushing, had a smidgeon of R-12 left in it still under pressure, but I had extreme compressor cycling.

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