I thought other could be interested in my little discovery. The rubber of my pump was dead resulting in a very noisy pump. I tried to find a replacement but cheapest I Hi team. For some time now, I've noticed a strange pump behavior in my Sage Barista Pro. This is my third Sage espresso machine. The first classic Barista worked for a few years, and I upgraded to the Lelit Silent Pump Vibrationspumpe 4000034 Espresso Kultur Part Pumps 1st line.com Hey guys,, Just a little tune up and update on my Classic: ulka pump replaced with olab's silent green pump very close to a finished project. But there is still things to come :) possible by the end