Hello, This probably sounds like I’m being a baby about this, but I
wanted to know if anyone has any suggestions about the vibration(buzzing) my
truck has at idle.<span style=""> </span>Its worse when
stopped in Drive, but it even does it in neutral.<span style=""> </span>Its super noticeable through the steering
wheel and brake peddle, but increasingly it will vibrate items (sunglasses,
pens, kids toys, etc) in the console.<span style=""> </span>I’ve
actually started using paper towels to separate items so they won’t vibrate.






The truck was supersmooth until about 4800 miles, and has
progressively gotten worse.<span style=""> </span>The truck
now has almost 7000 miles on it.<span style=""> </span>I’ve
had it to 2 dealers and they both say its normal, and that all diesels are
smooth at first when they are new.<span style=""> </span>I
even test drove a new Duramax and a 2005 Powerstroke, and they were very smooth
at idle.<span style=""> </span>The Powerstroke was so smooth
you couldn’t even tell it was running except for the sound.





This is what I tried so far:<span style="">
</span>Had the LLY flash update done, tried different fuels and additives, took
my GM sidesteps off in case that was it, and changed the fuel filter.<span style=""> </span>Nothing made a difference.<span style=""> </span>At this point I wouldn’t even mind if it had
a mild buzz, but just not like it is now.<span style="">
</span>The weird part is, every once in a while it will be pretty smooth.<span style=""> </span>Not like when it was new, but close.







Thanks for any advice!





Craig