Acceptable amount of blowby for 2021 6.7L Cummins with 53k mi?

[Arya]

Just got a new-to-me 2021 2500 Cummins with 53k miles. Checked the oil filler cap and I’m seeing a bit of smoke coming out plus the cap wiggles a little bit. Is this an acceptable amount of blowby or do I have a problem? Is this just normal ventilation and the cap movement is engine vibration? This was at a fully warm engine at idle.

Video here:

 

[vincentw56]

Just got a new-to-me 2021 2500 Cummins with 53k miles. Checked the oil filler cap and I’m seeing a bit of smoke coming out plus the cap wiggles a little bit. Is this an acceptable amount of blowby or do I have a problem? Is this just normal ventilation and the cap movement is engine vibration? This was at a fully warm engine at idle.

Video here:

You might have better luck in the Homepage - HD Rams forum. This is the 5th Gen 1500 Rams site.