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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 344 (Engine Mechanical - 5.3L, 6.0L & 6.2L - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Camshaft Replacement >> Removal Procedure

Removal Procedure

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    Fig 1: Flywheel Holding Tool
    GM1658136Courtesy of GENERAL MOTORS CORP.
  1. Remove the radiator Refer to Radiator Replacement (Non HP2) .
  2. Remove the a/c condenser. Refer to Air Conditioning Condenser Replacement (Gas) .
  3. Remove the valve lifters. Refer to Valve Lifter Replacement (Without AFM) , Valve Lifter Replacement (With AFM) 
  4. Remove the Timing Chain, Camshaft Position Actuator, and Solenoid Valve. Refer to Timing Chain, Crankshaft Sprocket, Camshaft Position Actuator, and Solenoid Valve Replacement (L99) 
    5. Fig 2: Camshaft Retainer And Retainer Bolt
    GM1969013Courtesy of GENERAL MOTORS CORP.
  5. Remove the camshaft retainer bolts (204) and retainer (203).
    6. Fig 3: Camshaft
    GM1704626Courtesy 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.

  6. Install a bolt into the camshaft.
  7. Using the bolt as a handle, carefully rotate and pull the camshaft out of the engine block.
  8. Clean and inspect the camshaft and bearings. Refer to Camshaft and Bearings Cleaning and Inspection .
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