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It's the dpf doing its thing and the def pump purging fluid back into the tank or something technical like that anyway
What do you mean by "vents"? Mine is as quite as a mouse.
It’s none of the guesses posted here. It is the EGR valve cycling. You can open the hood and watch the cable cycle the EGR valve three times when you hear this noise.
Sound of air blowing off.
I was just talking to Ram service about this very thing the 2 days ago, I shut the truck off with hood up when I heard clacking & whistle noise for the first time (now wish I had keep phone video with the sound to post here) I was told its all normal its all the electronic stuff on drivers side of engine shutting down, I even started truck up with hood closed at the dealer then shut it off you could hardly hear it, I'm surprised I had not noticed it before when shutting it down at home. Also service person took me to a random used diesel truck on there lot that did the same thing...
The sounds I heard were 10 seconds or so after shut down, I have not been near my truck 4-5 after shut down to know if it makes noise...
Ok. I'll check mine in the A.M. Thanks.
It is very possible there are different behaviors of after-engine off noises between model years. My rear air suspension doesn't make a venting sound after shutting down. At ignition on and off I can hear the turbocharger viens cycling (2015 CTD). Later, I hear the HVAC system moving the blend door.
Thanks for the laughs. There is no egr cable. It’s controlled by a solenoid. The clicking sounds after engine shut down is the def pump purging the def lines of fluid returning it to the tank.
Botta Bing bam boom there we have it, which is about exactly what I responded first to the originsl op question in the second post
My mistake. I re-read what I typed, and realized I missed a word in there- it’s the egr BYPASS valve (on the front of the egr cooler, passenger side). There’s two cables that go to the actuator wheel. I can watch that cycle after shutdown…every time, and it makes the clicking noise. I have never heard any noises coming from the direction of the def pump after shutdown.
