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Posted (edited)

Hey yall.

 

I have a 2015 GMC Sierra 1500 5.3 2wd. I just did my own oil change (currently 132,000 miles) on the truck for the first time since I got it. It has always had routine maintenance done at the correct time. Never once had a check engine light, oil pressure light, or any light (except low fuel lol). Also never towed anything ever. It has been a daily driver for me. (NOTE: I installed an AFM disabler at around 70k, so since then it has stayed in V8.)

 

I noticed the dipstick has metal shavings magnetized to the end of it. And even after wiping it and putting it back in like 12 times, it still pulls some out. The oil filter also has a good amount in it. 

It has always ran perfect and still does. Never ever had a weird noise or knocking or ever ran rough. Almost too perfect lol. So this metal has really surprised me. I see some similar stories where people say this is normal wear, others say your engine is cooked. I know it’s hard to say for sure without seeing in person but just wanna see if anyone has had a similar experience at this mileage or any advice?

 

Thank you in advance.

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Edited by Clay LeBlanc
Posted

It`s magnetic so it`s not main or rod bearings. I would pop off a valve cover or 2 and take a good look at the rocker arms. See if you can see if any needle bearings are coming apart.

Posted

We appreciate you bringing your concerns with your Sierra to our attention. As safety is our top priority, please fill out the form at  with all pertinent details so we can ensure your concerns are routed properly and addressed as soon as possible.

  • Haha 1
Posted

I'll bet your truck lost the bearings on a roller on 1 of the lifters, and now is wiping out a cam lobe.

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Posted
On 7/21/2026 at 8:51 AM, TheRiver said:

I'll bet your truck lost the bearings on a roller on 1 of the lifters, and now is wiping out a cam lobe.

I second this. I've seen it numerous times.

  • Like 1

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