Caution:A wrench must be used on the hex of the camshaft whenloosening or tightening in order to prevent component damage.Failure to prevent the torque reaction against the timing drivechain can lead to timing drive chain failure.
#01-06-01-011H: Information on Engine Oil Consumption Guidelines - (Oct 29, 2013) Engine Lubrication
Subject:Information on Engine Oil Consumption GuidelinesModels: 2014 and Prior GM Cars and Gasoline-Powered Light Duty Trucks Under 8500-LB GVW This bulletin has been revised to add the 2013-2014 model years. Please discard CorporateBulletin Number 01-06-01-011G.All engines require oil to lubri ...