I am opening a can of worms here, but I will ask anyway.
I just noticed yesterday a new noise that seems to originate from directly behind the steering wheel.
I can only best describe this noise as identical to the sound a washing machine would make when evacuating water from the tub and starting that final spin cycle.
Almost like a suction/slight gurgle sound.
It's present at idle and during driving with zero change in pitch or intensity or anything.
I have looked over everything twice and can find nothing.
I've had 4 CTD, but this is the first one Ive had (for obvious reasons) that wasn't entirely deleted before the first Regen ever took place.
Regen was taking place and currently still is.
Does Regen make any audible sound?
Thoughts from anyone on where to look?
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