Glossary / Engine

exhaust valve

8 Episode Mentions

Too Afraid to Ask

Exhaust valves let the hot gases from the engine leave into the exhaust pipe. They help keep the engine running smoothly and reduce pollution.

Technical Definition

An exhaust valve is a component that controls the flow of gases from an engine’s combustion chamber into the exhaust system, helping to regulate pressure and emissions.

Hear It Discussed

"they're going to be able to tell where that 8% is sneaking by if it's sneaking by an intake valve and exhaust valve back into the crankcase."
Automotive Experts - Don't Just Use The Cheapest Gas Without Knowing What It Is Under The Hood show 05:08

"A hydraulic linkage transfers it to the exhaust valve at the top of every compression stroke. [1936.4s] The valve cracks open."
The Death of the Runaway... Overcrest 32:07

"and quick and there's manual like physical buttons that you can switch the exhaust valve on and off"
The problem with Audi RS5, WRC returns & Aston Martin Valhalla, with Henry Catchpole | Episode 44 The evo podcast 55:29