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Old 05-10-2001, 09:30 PM
Benzmac Benzmac is offline
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Join Date: Mar 1999
Location: Suwanee, GA, USA
Posts: 4,712
I have seen the Cats come loose and knock a bit. I always start on the easy side then work toward the hard stuff.

On the A/C, I have not been able to get a good 134 conversion on a 300E as of yet. The system was not set up for the larger molecules of 134 and the oil gets absorbed by the hoses over time.

I would find the leak, then use 12.

PS, you can check for evap leaks by taking out the blower motor and looking in.
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Benzmac:
Donnie Drummonds
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MERCEDES SPECIALIST 11 YRS
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