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RETIRED
Join Date: Jul 1999
Location: BOULDER Colorado
Posts: 39,412
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My 83 came with an aftermarket A/C. The R-12 refrigerant is expensive (now) due to the EPA rules and R-134 wasn't something I wanted to deal with at the time.
I found that the installed non-barrier hoses leak. Back in 83, R-12 was cheap and most people didn't mind recharging every summer. I yanked it all out....I didn't live in an area that got that hot.
The fix is replacing the hoses with modern barrier type, fixing any leaks and converting the non-compatible components to ones that can tolerate R-134.
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1983/3.6, backdate to long hood
2012 ML350 3.0 Turbo Diesel
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