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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 148 (Engine Mechanical - 4.8L, 5.3L & 6.0L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Camshaft Replacement >> Removal Procedure

Removal Procedure

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  1. Remove the radiator support. Refer to Radiator Support Replacement in Body Front End .
  2. Remove the engine front cover. Refer to Engine Front Cover Replacement .
  3. Remove the valve lifters. Refer to Valve Lifter Replacement .
  4. Remove the camshaft sensor bolt and sensor.
  5. Rotate the engine until the timing marks on the crankshaft and camshaft sprockets are aligned.
    Fig 1: Removing Camshaft Sensor Bolt & Sensor
    G02078610Courtesy of GENERAL MOTORS CORP.
    CAUTION: Do not turn the crankshaft assembly after the timing chain has been removed in order to prevent damage to the piston assemblies or the valves.
  6. Remove the camshaft sprocket and reposition the timing chain.
  7. Remove the camshaft retainer bolts and retainer.
    Fig 2: Removing Camshaft Retainer Bolts & Retainer
    G02078611Courtesy of GENERAL MOTORS CORP.
    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.
  8. Remove the camshaft.
    1. Install three M8-1.25 x 100 mm (M8-1.25 x 4.0 in) bolts to the bolt holes in the front of the camshaft.
    2. Using the bolts as a handle, carefully rotate and pull the camshaft out of the engine block.
    3. Remove the three bolts from the camshaft.
  9. If required, clean and inspect the camshaft and bearings. Refer to Camshaft and Bearings Cleaning and Inspection .
    Fig 3: Removing Camshaft
    G02078612Courtesy of GENERAL MOTORS CORP.
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