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Old 07-14-2004, 08:50 AM
Posts: n/a
Some of your questions are general, but you really should let us know the year and model car that you are working on. I think I speak for all of us here at mshop, we are terrible mind readers.

You are generally correct to a point. One way to find the leak is to charge with UV dye, but there again without knowing the year and model, we don't know what refrigerant is used.

If it is a large leak, it will still most likely not be large enough to hear. The best approach for that is to pressurize with nitrogen and a few ounces of R22 then use an electronic leak detector to "sniff" for the leak.

There are some MB's that have a terrible problem with their evaporators and they are difficult to change. Others have bulletproof evaps and are easy to change.

Year and model please,
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