Review on ACDelco 18M1518 Professional Cylinder Assembly by Jimmy Hargrove

Yes. This thing helps. By the way, Youtube is great. There is a plunger/syringe they make from a piece of rubber I bought. You simply pump fresh liquid (from a sealed jar/bottle) into all the holes according to the instructions and purify the air. Fill out and install. (Tighten screws and lines). Pump the lines (have someone press and hold the pedal a few times, you loosen the lines a little, then tighten, then release, repeat a few times). Again I learned from the internet and managed to do it within an hour to 1.5 hours