I've used them. Worked for a while, but now I'm back to adding 134a. They are not worth the money. Jerry ----- Original Message ----- From: "Robert Fisher" <refisher@MCHSI.COM> To: <vanagon@GERRY.VANAGON.COM> Sent: Friday, May 13, 2005 1:21 PM Subject: Re: AC Service Prior to Pressure
> There are a number of various brands and types of 'sealers' that are > supposed to help combat this problem; I haven't used any and I'm generally > suspicious of them in the same way that I'm suspicious of coolant system > 'stop leaks'. Perhaps someone that has used 'em has some info for us? > > Cya, > Robert > > ----- Original Message ----- > From: "Roger Sisler" <rogersisler2000@YAHOO.COM> > To: <vanagon@GERRY.VANAGON.COM> > Sent: Friday, May 13, 2005 9:54 AM > Subject: Re: AC Service Prior to Pressure > > > > Another consideration- 134a will need new barrier hoses to prevent leaks. > > If you dont mind a leaky compressor and wrong hoses , you will be ok.Just > > recharge every year till the compressor cant take the pressures anymore. > > 50 > > feet of barrier hoses , using your old fittings will cost about > > $350.Commparison of the two molicules is that the R_12 molecul(sp-again!) > > is like a beach ball , and a 134a molicule is like a golf ball.It will > > migrate through the rubber.Being enviornmentaly correct with vanagon a/c > > is > > difficult any way you go, unless money is of no concern.It may actually be > > much cheaper to go r-12 is many cases. |
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