vacuum pump weakness
My w123 300tdt only has about 14 punds of pressure,my mechanic removed the booster hose and measured the pressure,im trying to resolve an issue where car wont turn off at certain times,and the manual shutoff doesnt work at times either,can someone tell me if the pump is fixable or even how to R&R it,i havea good spare but dont know quite how to do it,thanks.
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