PRXB problem...
My 1997 CC Allure has a PRXB Pacbrake, exhaust brake which replace the original sometime around 2005. The coach now has 67000 miles on it of which I have put about the last 36,000 on it. The engine ...
Forum Discussion
UPDATE….
OK When activating the PRXB with a bypass switch .with the engine off nothing was leaking. So I started the engine and tested it again , air was pouring out from the seal between turbo and PRXB.
This was after I had removed it and checked for any damage to the unit. But it sounded like the air I have been hearing escaping prior to "working on it"
So I took it loose 3 more times trying to seat the brake against the turbo. Success on the last time, no more leak.
Still not happy with the amount of breaking power but it is an improvement for sure.
I will drive it as is for a couple of trips and see if I like it any better, then I will make the decision if I want to replace it or not.
Guys, Thanks for all your help…
and I am still open to suggestions and opinions as why it lost part of it's breaking power over the 5 years I have owned it.
OK When activating the PRXB with a bypass switch .with the engine off nothing was leaking. So I started the engine and tested it again , air was pouring out from the seal between turbo and PRXB.
This was after I had removed it and checked for any damage to the unit. But it sounded like the air I have been hearing escaping prior to "working on it"
So I took it loose 3 more times trying to seat the brake against the turbo. Success on the last time, no more leak.
Still not happy with the amount of breaking power but it is an improvement for sure.
I will drive it as is for a couple of trips and see if I like it any better, then I will make the decision if I want to replace it or not.
Guys, Thanks for all your help…
and I am still open to suggestions and opinions as why it lost part of it's breaking power over the 5 years I have owned it.
