Ester oil has been found to be compatible with r12 oil which is why it is recommended in r12 to r134a conversions.
Ester oil has been found to be compatible with r12 oil which is why it is recommended in r12 to r134a conversions.
R-12 was made illegal by congress when Dupont lost their international patent on it (and thus all the profits). So dupont cooked up R-134 (patented of course) which is about 100 times more toxic to the poor schmuck working on the system and congress obliged by making it a legal requirement. It doesn't have the heat rejection specs that R12 does, and it'll kill ya, what's not to like? BTW, back in the 80's in the Corps, we filled a/c on our 159 hp diesel HMMV's with propane and DAAMMMNN did they blow cold. When's the last time you crumpled your dashboard in a wreck? I never have...
Parts diagram and parts number
I haven't had a good look through it yet, but I don't hink there are listings for the actual airconditioning units, I would imagine these would be provided by the dealer
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