In the early seventies, using a line from a brake cylinder to slave cylinder was the procedure in the manual for some truck or another. If you can fit a line on it well, preferably a clear line, and you keep the reservoir full it will get the job done. It's not my method of choice, but it will work.

I don't know about 201 cars but every 123 or 124 car I've ever bled was easily accomplished by using the two person method, then let it set overnight to allow any remaining bubbles to rise.

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2001 SLK 320 six speed manual
2014 Porsche Cayenne six speed manual

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