BattleMax
08-23-2007, 06:23 PM
I got this from RockLand Gear. They sell and rebuild trannys.
http://www.rsgear.com/articles/2001_02.pdf
Its says 30,000 miles for an oil change under normal use, and only 15,000 miles under hard use. Outside temps above 90F is considered hard use! I know we are to use Castrol but still...Why did GM not put this in the Owners Manual ????????
http://www.rsgear.com/articles/2001_02.pdf
Its says 30,000 miles for an oil change under normal use, and only 15,000 miles under hard use. Outside temps above 90F is considered hard use! I know we are to use Castrol but still...Why did GM not put this in the Owners Manual ????????