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Silverado, Sierra & Fullsize Pick-upsThe Silverado & Sierra have been two of the best selling trucks in the US for decades, and is truly proven to be "like a rock".
Absolutely no need for it, put your truck in 2wd. You will get a lot better gas mileage and won't wear out that front end as fast as you will with running it in auto.
fishinfooleric:
Thank you for your response....
I now have 1968 miles driving in AUTO....., should see a couple of miles (maybe) in MPG as well as save wear and tear.