Some pumps on the market allow the oil in the pump to be changed while it’s pulling a vacuum, like the RunQuick oil change system on Fieldpiece vacuum pumps. Towards the end of the evacuation is when ...

The downside is that the vacuum pump oil gets contaminated with water vapor, but that’s far easier and cheaper to replace that a couple hundred gallons of hydraulic oil. Never doubt the hacking ...

Back in February 2021, an increasing number of warranty claims regarding damage to the oil/vacuum pump were a little worrisome for the North American branch of BMW. The automaker reviewed these ...