Removal ProcedureRemove the primary camshaft drive chain tensioner. Refer toPrimary Camshaft Intermediate Drive Chain Tensioner Replacement.

Remove the primary camshaft drive chain lower guidebolts.Remove the primary camshaft drive chain lower guide.Installation Procedure

Position the primary camshaft drive chain lower guide to theoil pump.
Caution:Refer toFastener Caution.
Install the primary camshaft drive chain lower guide boltsand tighten to25-Y(18-lb-ft).Install the primary camshaft drive chain tensioner. Refer toPrimary Camshaft Intermediate Drive Chain Tensioner Replacement.
Oil Pump Suction Pipe and Screen Assembly Replacement Engine Lubrication Oil Pump
Secondary Timing Chain Guide Replacement - Right Side Valvetrain Valvetrain Timing Timing Belt/Chain#PIC5492B: Diagnostic Tip: Diagnosing Vehicles with OnStar DTC B101D-37 - (Oct 4, 2013)
Subject:Diagnostic Tip: Diagnosing Vehicles with OnStar DTC B101D-37Models: 2011-2014 GM Passenger Cars & Light Duty Trucks with OnStar (RPO UE1) This PI was superseded to update model year. Please discard PIC5492A.The following diagnosis might be helpful if the vehicle exhibits the symptom(s) d ...