Recent content by Diezelz
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2025 air intake noise
so this is unexpected…i wrote the above while I was getting an oil change…oil life was at 50% The Noise is gone after the oil change! so I can only assume the oil viscosity was reduced to the point the engine was turning over faster under power and making more intake noise… It had been...- Diezelz
- Post #2
- Forum: 3.0L Duramax Diesel Discussion
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2025 air intake noise
I have about 6k miles on a 2025 AT4U, lately I’ve been noticing a loud intake noise that seems worse when engine is cold It’s very noticeable under hard acceleration. I had a look at the air box cover and ducting and everything seems as it should be. This seems to have started recently and is...- Diezelz
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- Replies: 1
- Forum: 3.0L Duramax Diesel Discussion
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Hello All !!
Thanks! I am having some Falken Wildpeak A/T4W’s installed by the dealer that’s it for now. Still on the fence for an extended warranty… that may impact upgrade timing but I like a lot of what PPE sells for the 3.0 so we will see!- Diezelz
- Post #7
- Forum: Introduction
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Hello All !!
Howdy All - First time Yukon for us, 2025 XL AT4 3.0L only a few weeks away! First GMC since an early 90's heavy half ton Sierra with a 6.5 L diesel... I don't miss that one... I guess I'm a diesel guy though with a Cummins 6.7 and Paccar MX-13 (basically a Cummins...) in the stable, been...- Diezelz
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- Replies: 10
- Forum: Introduction
