I'm changing out my rear diff. cover and replacing the lube.
I did not catch this before mail ordering 8 quarts of AC Delco LS Gear Lube 10-4034 when I should have bought Axle Lube 10-4016.
From what I understand 10-4034 is for 2007 and newer. I have a 2005 Silverado 3500.
Anyone know the...