X15 tractor vibrates when engine brake is on

[Rawze]

(02-01-2020 )Edjahman Wrote:  It's going to Peterbilt Monday for a DEF cleaning.

Hopefully it'll get sorted out then or I'll sort it out myself.

Thank you

That sounds like an expensive waste of money, especially going to the one place that is the most ignorant, most expensive, most under-qualified, under-trained place you can take a truck to any more.

[Magard]

Under the valve cover is a wiring harness. That goes to a couple solenoids if that wiring harness starts going bad you could have the jakes not all working. That makes a vibration while jaking low rpm.

[Mattman]

What's a DEF cleaning consist of?
I know there is an overpriced filter in the def pump.

[Waterloo]

(02-02-2020 )Mattman Wrote:  What's a DEF cleaning consist of?

We call it "Emptying the Rubes wallet" up in Michigan. ;-)

[tree98]

Maybe he meant DPF cleaning??