I've purchased a Topsider vacuum pump for easier oil changes. I'm thinking of using it to flush the transmission: extract the old ATF, fill it up with fresh ATF and run it it for a couple of hundred miles, extract it again and replace the ATF and filter. Good idea?

1990 300SE

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1979 Black on Black, 300CD (sold), 1990 Black 300SE, Silver 1989 Volvo 780, 1988 300CE (vanished by the hands of a girlfriend), 1992 300CE (Rescue).