Great vacuum guage link

[BajaEdition]

I mean what more can be said, just check it out
UsingVacumeGauge

 

[BusaDave9]

Wow. That link is helpful! I never knew how much could be diagnosed with a vacuum gauge. I have one built into my brake bleeder. I will start using that more often. That link shows enough reasons to buy a brake bleeder even if you don't use it for brakes.