Exhaust brake quit working
Lets try this again! Need some help. Cummins 400 isl, spartan chasis 2006 travel supreme. I guess next will be taking it to a tech!
Forum Discussion
captron33 wrote:
Spartan confirmed i have a 2 stage exhaust brake., based on my vin number.
Then your engine has a 2-stage engine compression(Jake) brake, not an exhaust brake. The Jacobs compression brake opens the exhaust valves just before the piston reaches TDC on compression stroke.
reference: https://official.bankspower.com/tech_article/how-an-exhaust-brake-works/
and
https://www.jacobsvehiclesystems.com/technologies/compression-release-engine-brake
