Over the last few weeks I have noticed that in the morning when I start up the truck, it gives a little grind or rattle for about 1 second. I didnt think much of it, figured it was a fan rubbing on a casing or something minor until I googled and youtubed examples of the problem. It sounds...
I use Amsoil. I dont think you have to use Amsoil, but use a good oil! Use a good quality full synthetic, and change it regularly!
I thought this was applicable if you havent seen it.
Turbochargers Create Conditions Best Suited for Synthetic Motor Oil