Not only is mine making the knocking. I had my windows down turning into a parking lot and the front end was making a popping noise took it to the dealership and they found a nut loose on the axle they tighten it up but still doing it so they are replacing the front axles
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The knocking where they advanced the timing that is how they made the extra HP for the engine as of right now they have no fix for it asked a tech at the dealership yesterday
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I got the weather teach for my 2017 gmc they fit really nice and cover the whole back floor board even under the back seats. This is my first diesel truck what is the best way to break it in
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