Re: [DML] A/C pressure readings - interpretation?

["BRUCE BENSON" <delornut@xxxxxxx>]

I suppose I'd better knock on wood but I converted to R134 three years ago and have experienced the coldest AC since buying the car new 25 years ago. I installed a new compressor a few years ago when the clutch bearing failed on the old one. At that time I had the system vacuumed and R12 re-installed. The original orifice tube was replaced years ago because many of the original ones were contaminated right out of the factory. I still have that replacement tube in the car. Three years ago my son-in-law ( he owns an auto repair shop ) converted things to 134. He vacuumed the system, installed the proper oil, changed the fill fitting and added R134. Since then I've driven the car from Minnesota to Pigeon Forge, on through South Carolina and back to Minnesota. Year two: I drove the car to the California coast and followed the coast line up to Victoria, BC and back to Minnesota. Last year I drove to Chicago, and then on to Williamsburg, VA and, again, back to Minnesota. This spring it's still blowing very cold. 

Bruce Benson


  Has anyone ever seen a car with stock hoses hold R134 more than a year 
  or two? Short of replacing all 3 hoses with modern barrier line, I'm 
  not sure you can get it to hold. The R134 seems to go right through the 
  hoses. 

  Dave S



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