An automobile engine is a combination of many of thefollowing surfaces:
MachinedHonedPolishedLappedThe tolerances of these surfaces are measured in theten-thousandths of an inch. When you service any internal enginepart, cleanliness and care are important. Apply a liberal coatingof engine oil to the friction areas during assembly in order toprotect and lubricate the surfaces on initial operation. Throughoutthis section, practice proper cleaning and protection procedures tothe machined surfaces and to the friction areas.
Caution:Engine damage may result if an abrasive paper, pad, ormotorized wire brush is used to clean any engine gasketsurfaces.
Whenever you remove the valve train components, keep thecomponents in order. Follow this procedure in order to install thecomponents in the same locations and with the same mating surfacesas when removed.
Warning:Refer toBattery Disconnect Warning.
Disconnect the negative battery cables before you perform anymajor work on the engine.
Cleanliness and Care
Valve Rocker Arm Installation - Left Side Valvetrain Valve Actuating Assembly Rocker Arms#PIT5236: Diagnostic Tip: OnStar Module Does Not Support All B101D Symptom Codes - (Oct 3, 2013)
Subject:Diagnostic Tip: OnStar Module Does Not Support All B101D Symptom CodesModels: 2011 - 2014 All GM Passenger Car and Light Duty Trucks with RPO UE1(Except 2011-2013 Chevrolet Corvette, 2011-2012 Chevrolet Colorado, 2011-2012 GMCCanyon)The following diagnosis might be helpful if the vehicle ex ...