Exhaust or jake brake or neither?
How do I know if I have a jake brake, an exhaust brake or is it possible that we don't have either of these? We have a 2001 holiday rambler imperial with an Allison 3000 transmission. Am extremely...
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Your other post said you had an engine brake???
An 'engine brake' is on the engine and controls exhaust valves opening them.....when engaged you will hear a loud pop-pop-pop sound (just like the semis)
An 'exhaust brake' is mounted in the exhaust system and closes it own control valve to create back pressure in exhaust system (back towards engine).....when engaged you will hear an increased exhaust hiss
Both types of brakes have to be turned on........usually a button on dash.
An 'engine brake' is on the engine and controls exhaust valves opening them.....when engaged you will hear a loud pop-pop-pop sound (just like the semis)
An 'exhaust brake' is mounted in the exhaust system and closes it own control valve to create back pressure in exhaust system (back towards engine).....when engaged you will hear an increased exhaust hiss
Both types of brakes have to be turned on........usually a button on dash.
