Glossary of RV Terms

The RV community is just like any other—it has its own set of words, abbreviations, and slang terms. In this glossary we define the common terms and some of the more unusual slang.

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ETG

See Exhaust Temperature Gauge

Exhaust Brake

A device installed on the engine which causes deceleration by restricting the exhaust gases. Exhaust brakes are used to supplement the service brakes of a vehicle and to increase stopping power. Especially useful to slow heavy loads down steep grades.

Exhaust Temperature Gauge

Gauge indicating engine exhaust gas temperature as measured by a probe inserted into the gas flow. Temperature is generally measured directly after the exhaust manifold or after the turbo. Useful in preventing engine overheating.

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