So if you car has a large amount of rubber hose, such as a 40 feet with the 911, then you will be re-charging the system often and that is expensive no matter which refrigerant you use. On a long-dormant system, the odds are very high that its dead because it has no refrigerant in it, which means it has leaked out which means theres a leak that must be located and fixed. Theyll continue to work for many years, as replacement is costly. R134a vs R12 refrigerant? We are an automotive mechanic blog that helps mechanics and car users to find the most recent and accurate technical and repair information for their cars. A/C professionals derisively called these death kits because they had a reputation for causing the compressor to seize a few months later. As the manufacture of this product is now banned, the costs associated with it will inevitably rise. 2021 Complete Guide. R134a replaced R12 from 1994 onwards. When ever possible you should ask the technician to note the same information on your repair bill and keep a copy in your glove box for future reference. He started writing automotive articles to share his garage experience with car enthusiasts and armature mechanics. R-600a vs. R-134a: Which Is The Better Refrigerant? A final difference is that most (though not all) R-1234yf cars will have a Suction Line Heat Exchanger. Remove the old mineral oil from the compressor by turning it upside down, side to side, and turn the front hub on the clutch assembly. There are other EPA-approved refrigerants such as Hot Shot and Freeze 12, which you can find here. Most importantly, the oil used in the plant must always be compatible with the refrigerant used. R134a is the most commonly used refrigerant to convert automotive air conditioning away from the destructive R12. R134a has a GWP of 1430. All references (pictorial or text) to the Porsche name, model names or numbers, part numbers or shapes are replacement reference only. What's the difference between these and how do.

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