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#02-07-30-029U: Product Quality Center (PQC) Assembly Replacement Process - (Jul 16, 2013)
Subject:Product Quality Center (PQC) Assembly Replacement ProcessModels: 2014 and Prior GM Cars and Light Duty TrucksEquipped with CNG, LPG or Gasoline Engine, Duramax™ Diesel Engine, Automatic or ManualTransmission and/or Transfer Case, Including Front Wheel Drive and Rear Wheel DriveVehiclesThi ...