I bought a 2021 3500 with the 6.7L in September last year; I just rolled 76xx miles and did my first oil change.
A few days/week or so ago, I started hearing what sounds like the old Hemi “manifold tick” upon further investigation, I heard nothing while the truck idles; the second it hits 1300 rpm or higher, it makes a wicked ticking noise that sounds like it’s either in the oil pan or the trans bell housing.
The truck has been “deleted” for around 1500 miles, I don’t beat on it (often), but I do enjoy having fun now and again.
The oil I used during the change was Rotella t5 15w40 at first! I got told it was wrong and switched it out for 10w30.
Has anyone else experienced something like that?
I'm not sure how to post a video, but I’m willing to send it via email to anyone who would like to listen or text.
Thanks, I’m in advance.
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