Did you replace all the system o-rings?

Did you flush the system?

Did you prefill the correct oil into the compressor?

If not, you will be doing all of this again. Just because it holds vacuum does not mean it will hold pressure.

That Schrader valve is just another high side service port.

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I'm not a doctor, but I'll have a look.

'85 300SD 245k
'87 300SDL 251k
'90 300SEL 326k

Six others from BMW, GM, and Ford.

Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG]