Hey friends.
Wondering if anyone has had a rattle noise coming from the turbo area when the exhaust brake is active ( not during EB warm-up, only when the truck is being slowed down)?
And only at lower engine RPM.
My truck will make a faint rattling noise when in the 1200-1000 rpm range (only while the engine is braking), and it has been doing it for a long time with seemingly no ill effect.
It makes no noise at higher engine speeds than the normal EB hissing noises.
EB has also been working just fine. No noise during the cold start EB warm-up either.
It sounds like it is coming from a turbo area but could just as quickly be somewhere nearby.
Quiet enough that with the radio on, I don’t hear it, but I do listen to it with the radio off and windows up.
My turbo actuator coincidentally went out, and I am waiting for the new City Diesel actuator to arrive and was pondering this noise.
I noticed it more after the DRD diet plan, but I also feel like that is because the stock tune didn’t activate the EB under ~1200 rpm, which is when the noise starts.
And with DRD, the EB stays on at 1000 rpm.
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