Forum Discussion
Grit_dog
Nov 06, 2021Navigator
SweetLou wrote:Cummins12V98 wrote:SweetLou wrote:Cummins12V98 wrote:
No Idea on a Ford. On my 11 and now 15 RAM every single start I hit the Tow Haul and Exhaust Brake buttons.
I did that too thinking it helps with the longevity of the exhaust brake. My actuator went out at 90K this year.
Mine went out early also but that Has nothing to do with the mechanics of the turbo.
no but everything to do with the brake
No, not really. The actuator moves the vanes. Both for brake function and boost functions. Same parts different position depending on function.
Keeping the exh brake engaged is an attempt to keep the mechanism that moves the vanes from sooting up and becoming stuck.
The actuator is the electro mechanical part that pushes and pulls the vanes. Theoretically it would last longer if exhaust brake not used as it wouldn’t cycle as many times or through as much range of motion.
In reality, the actuators sometimes fail at lower than expected hours.
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