Glossary / Engine

vacuum hose

9 Episode Mentions

Too Afraid to Ask

It’s a flexible pipe that pulls air from the engine to help parts like brakes work. If it’s cracked or disconnected, the car can behave oddly.

Technical Definition

A rubber tube that carries vacuum pressure from the intake manifold to various engine components such as brake boosters or power steering pumps.

Hear It Discussed

"I don't have that fitting. So I pull off a vacuum hose, shove the little smoke machine in there, let it pressurize for,"
Can The 911 GT3 S/C Be A Real GT3? — The Carmudgeon Show w/ Jason Cammisa & Derek Tam-Scott — Ep 234 The Carmudgeon Show 12:08

"...there's a little piece of vacuum hose that hangs out of the firewall on a 72 Monte Carlo. And that's the main vacuum hose that feeds all the vacuum supply and controls for the heat to frost AC..."
Ron Ananian, The Car Doctor - February 7, 2026 - Hour 1 - Snowballs In Auto Repair Ron Ananian The Car Doctor 04:51