(Pinholes seem to be the rule in 134a systems for sure.)
After seeing the posts here about it and speaking with the reps I think it is time to switch to Duracool.
Their FAQ page ( http://www.duracool.com/Duracool/faqs.html ) says this:
"To replace R-134a with DURACOOL 12aÂ® you must remove all the existing R-134a. Charge the DURACOOL 12aÂ® using 40% of the original (R-134a) charge weight listed on the system tag. eg; system tag calls for 40oz of R-134a, use 16oz DURACOOL 12aÂ®. Since DURACOOL 12aÂ® is compatible with the synthetic oils there is no need to change or flush your system. DURACOOL 12aÂ® will work with the existing components. Pull a vacuum to at least -10 in hg. If a vacuum pump is not available be sure to use DuracoolÂ® DuraDryâ„¢ to remove system moisture."
My only question is how much of their refrigerant to buy for a 9K ?
I don't recall seeing the A/C system capacity on a tag on my car.
Can anyone tell me about how much they use of either the 134a or Duracool for a full charge ?
(I've always brought this one back to life with about 2 cans of 134a, but I am careful not to overcharge too...)
I have a vac pump, so I figure a couple(?) of cans of their stuff after using the vac pump and their super-duper leak sealer and I may even be good for a whole summer of real cooling...but I'd like to only order one time, so a better idea of how much should be needed would be a good thing.
Thanks for any info !
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