CP4 recall. New sound

[mmmRPM]

2019 Ram 3500 HO
Bout a month ago I did the CP4 recall. Since the swap I’ve noticed a new sound. I’ve asked the dealer if this is normal. They said they do run a little loud but I’m not sure if that’s right. What it sounds like is a dry ball bearing spinning with a low howl. Won’t let me share the 10 sec video. Anyone have this similar issue. Truck seems to run fine otherwise. Just don’t want any issues down the road.

 

[crash68]

Won’t let me share the 10 sec video.

You need to post the video on a video hosting site like YouTube and then share the link to the video.

 

[GTyankee]

What did they change, when the did the CP4 recall ??

was it an older style part ?

 

[06 Dodge]

2019 Ram 3500 HO
Bout a month ago I did the CP4 recall. Since the swap I’ve noticed a new sound. I’ve asked the dealer if this is normal. They said they do run a little loud but I’m not sure if that’s right. What it sounds like is a dry ball bearing spinning with a low howl. Won’t let me share the 10 sec video. Anyone have this similar issue. Truck seems to run fine otherwise. Just don’t want any issues down the road.

Don't recall the proper wording but the pump should have been timed when it was installed to help reduce the pulsating type knocking noise you are hearing. Here is an older post about it on Cummins Forum from 2017 that I think may apply to you: https://www.cumminsforum.com/thread...-w-before-and-after-videos-for-sound.2308386/