Oil consumption with 6.6 turbo Duramax??
Hey folks -- I have a 2012 Chevey 2500HD w/the 6.6 Duramax. I seem to be having trouble with the engine using oil bewteen changes. I've been using Shell Rotella-T 15-40W and just did my 3rd oil chang...
Forum Discussion
aruba5er wrote:Check your manual-I think you will find it calls for 15w40 and does not require synthetic. Most dealers are using Delvac regular dino. I would find a new dealer-he just wants to get into your wallet. Mine uses no oil.
2011 and newer require the use of a synthetic blend or full syn. Do not use the old 15/40 You should be using the T6 synthetic. GM will not warrenty the motor with the use of plain old oil i;ve been told. And I find it very difficult to figure out the dipstick.No real "add oil or any other marks.
