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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 !!
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
