Hello and annoying rattle on new '20 Suburban

[Bob2C]

Here’s mine. Tapping plus some lower end knock. All goes away.

Sent from my iPhone using Tapatalk

 

[Mike Lindell]

Here’s mine. Tapping plus some lower end knock. All goes away.

Sent from my iPhone using Tapatalk

Thanks all for the helpful videos, seems that cold start tick is not an issue.

Regarding my symphony of other noises, dealer thinks it's related to TSB 17-NA-304 which is a potential fuel line rattle. Part on order and let's see if that resolves it. It really sounded like an ignition/pining issue to me but no signs of misfire codes per the tech.

 

[iamdub]

It really sounded like an ignition/pining issue to me but no signs of misfire codes per the tech.

Pinging is not a misfire. Technically, it's beyond the polar opposite!

Also, didn't you say it cleared up when you ran high octane? I don't see how a rattling fuel line would be affected by a different grade of octane. Or, are we even talking about the same thing here? Kinda hard to keep up with your "symphony". lol