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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1667 (Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L - Repair Instructions - On Vehicle) >> Camshaft Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Camshaft
    GM1704626Courtesy of GENERAL MOTORS CORP.
    NOTE: If camshaft replacement is required, the valve lifters must also be replaced.
  1. Lubricate the camshaft journals and the bearings with clean engine oil.
  2. CAUTION: All camshaft journals are the same diameter, so care must be used in removing or installing the camshaft to avoid damage to the camshaft bearings.
  3. Using the bolt as a handle, carefully install the camshaft into the engine block.
  4. Remove the bolt from the front of the camshaft.
  5. Fig 2: View Of Camshaft Retainer & Retainer Bolt
    GM1969013Courtesy of GENERAL MOTORS CORP.
    NOTE: Install the retainer with the sealing gasket facing the engine block.
    The gasket surface on the engine block should be clean and free of dirt and/or debris.
  6. Install the camshaft retainer (203) and bolts (204).
  7. CAUTION: Refer to Fastener Caution .
  8. Tighten the camshaft retainer bolts.

    Tighten: 

    • Tighten the first design hex head bolts (3) to 25 N.m (18 lb ft).
    • Tighten the second design TORX® head bolts (4) to 15 N.m (11 lb ft).

  9. Install the Timing Chain, Camshaft Position Actuator, and Solenoid Valve. Refer to Timing Chain, Crankshaft Sprocket, Camshaft Position Actuator, and Solenoid Valve Replacement 
  10. Install the valve lifters. Refer to Valve Lifter Replacement (With AFM)  or Valve Lifter Replacement (With out AFM) .
  11. Install the radiator support. Refer to Radiator Support Replacement .