Seems like a good week to resurrect threads....and you fellas seem like you know A/C systems.
I have 85 300D which seems to leak at the low pressure port. My valve cover cap slows down the leak but after a year or two I have to recharge so I decided to change what I thought was a Schrader valve.
I had the system properly evacuated and then tried using my tire valve removal tool but my tool doesn't seem to work, there aren't any blocks on the valve for it fit on.
So I'm wondering do I need some special removal tool for this valve and is it in fact a simple schrader valve? If the installed valve is just old and the fittings have broken off, is there a safe removal procedure? Its starting to get hot where I live, please advise.

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Ed "Don't Benz's just feel better..."

Current wives...
2000 ML430 Skyview "The Mel"
2000 CLK430 Cab "The Cab"
85 300D Turbo "The Diesel"

Past wives...
92 300E
85 190E

"One should as a rule respect public opinion in so far as is necessary to
avoid starvation and to keep out of prison, but anything that goes beyond
this is voluntary submission to an unnecessary tyranny, and is likely to
interfere with happiness in all kinds of ways."
Bertrand Russell