SPASierra

Thanks for the info! I'm sure the failure rate vs number of trucks built with the 3.0L is still fairly low, but it doesn't instill confidence knowing it could let go at any time.

Do you happen to know what your build date is? Demonworks on YT was tracking them on the DuramaxNews website. My 2025 is an April build, and I am at around 4500 miles. Getting ready for a 1500 mile road trip, and this is the last thing I want to be worried about.

I added my phone to my truck as a wireless network. Just have to turn on your hotspot. Truck uses the unlimited data through the phone.

Based on the numbers from the site you posted, it isn't a widespread issue yet. I have just over 3300 miles on my 2025, and will just keep an eye on it.

Thanks for the info. I had thought about trying to get over to Grainger, but the dealer dropped the price enough that buying from them was fine. They will be in later today.

That what I ended up doing. For posterity, the part number is 11589357. They come in a 2 pack and dealer list is $14.03/ea. The parts guy at my dealer charged me the shop price of $10.07/ea.

I swapped the Ranchos for Bilstein 5100s a few thousand miles ago. I just got back from a 1400 mile trip to TN with my wife, and had a rattle while we were gone. I couldn't see anything obvious at a quick glance, but a check underneath this morning shows that the driver side upper rear shock bolt has backed itself out, and the shock is resting on the spare tire. Does anyone have the size for the bolt handy? I found a part number on gmpartsnow, but it is discontinued. My Google-fu is failing me, and I just need to pick up a replacement bolt. Thanks!

I filled out the customer satisfaction survey for GM QC. They called me yesterday to talk about the issue with my lumbar inflating on its own. I told them I am taking it in on Wednesday, and they told me they would call back Friday to see if they actually diagnosed and fixed the issue. Take that for what it's worth.

Your communication module probably failed. Pretty common issue. Dealer will have to replace it.

I traded in my 22 Refresh Denali 6.2L, and have the Auto-Stop Eliminator for it that I never installed. The 2500HD is a diesel and doesn't have the feature. Message me if you're interested. $75 shipped.

Does anyone have the part number for these handy?

Did you ever end up finding these?

I have it on my truck. It has a deeper tone you will appreciate when you step on it. Your spouse will also be able to carry on a normal conversation with you while driving. That is the main reason I went with the touring.

No, I just stand clear of them when I open the door.

Add air and check with a separate tire pressure gauge. Cheap ones can be off by a pound or two. Also, Air expands and contracts based on temperature. If you put air in at 3pm, then check it at 8am in Massachusetts, it will read low because of the temp swing. 35PSI at 70 degrees is always going to read lower at 40 degrees. Watch how the pressure rises when you drive. Your tires heat up, and the pressure goes up.