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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 905 (Engine Mechanical - 2.2L (LN2)) >> Repair Instructions >> On-Vehicle Repair Instructions >> Camshaft Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Sonoma and 2003 Chevrolet S10 Pickup. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable. Refer to BATTERY NEGATIVE CABLE DISCONNECT/CONNECT PROCEDURE in Battery.
  2. Remove the radiator. Refer to RADIATOR REPLACEMENT (2.2L) in Engine Cooling.
  3. Remove the A/C condenser, if equipped. Refer to CONDENSER REPLACEMENT in Heating Ventilation and Air Conditioning.
  4. Remove the cylinder head. Refer to CYLINDER HEAD REPLACEMENT  .
  5. Remove the engine front cover. Refer to ENGINE FRONT COVER REPLACEMENT  .
  6. Remove the valve lifters. Refer to VALVE LIFTER REPLACEMENT  .
    Fig 1: Removing Camshaft Thrust Plate
    G01977014Courtesy of GENERAL MOTORS CORP.
  7. Rotate the crankshaft until the number 1 piston is at top dead center (TDC) on the compression stroke.
  8. Remove the oil pump drive. Refer to OIL PUMP DRIVE REPLACEMENT  .
  9. Remove the camshaft position sensor. Refer to CAMSHAFT POSITION SENSOR in Removal & Installation in Engine Performance.
  10. Remove the camshaft sprocket and the camshaft timing chain. Refer to TIMING CHAIN AND SPROCKETS REPLACEMENT  .
  11. Remove the camshaft thrust plate bolts.
  12. Remove the camshaft position sensor.
    Fig 2: Removing Camshaft Position Sensor
    G01977015Courtesy of GENERAL MOTORS CORP.

    Important:  Do not damage the camshaft bearings while removing the camshaft.

  13. Remove the camshaft.

    Inspect the camshaft for wear or damage.

    Fig 3: Removing Camshaft
    G01977016Courtesy of GENERAL MOTORS CORP.
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