پمپ وکیوم آبی تولیدی و ساخت انواع پمپ وکیوم آبی
?What does vacuum pump do
A vacuum pump has the inlet hooked up to one or both valve covers, sometimes the valley pan. It SUCKS the air from the engine, thus reducing the air pressure build up created by blow due to combustion gases going past the piston rings into the pan.