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Message: <blockquote data-quote="ORVietVet" data-source="post: 22078" data-attributes="member: 9438">Ok, gonna end up doing the "seeping now but sure to leak more later" hydro-boost unit. Looked and could not find a new Genuine GM or new AC Delco unit that listed the correct GVWR. The one I did find is from Bosch who makes several OE manufacturer units and I believe they make them for GM but not 100% sure. Maybe someone here knows. According to GM Parts Direct, when I look at the OE part # and look at RA, the Bosch crossover for the correct GVWR is 0204777573 for $224.03 at RA, shipped and includes the 5% $10.95 discount. IIRC, all GM ABS units are Bosch, again, I could be wrong.This morning, I pressure washed the booster/master cylinder area and the lines to the p/s pump assembly and the p/s pump as well. Took it on a long drive that was made longer because I wanted to put miles on in town with more brake applications and steering involved. Gonna be checking the entire system between now and April 9.</blockquote>