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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 432 (Engine Mechanical - 2.2L (On-Vehicle)) >> Repair Instructions >> Cylinder Head Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 GMC Sonoma and 2002 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 .
  2. Drain the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM .
  3. Remove the engine cooling fan clutch. Refer to FAN CLUTCH REPLACEMENT .
  4. Remove the engine drive belt. Refer to Drive Belt Replacement .
  5. Remove the fan pulley.
    Fig 1: Fan Pulley & Bolts
    G01658871Courtesy of GENERAL MOTORS CORP.
  6. Remove the generator. Refer to GENERATOR .
  7. Remove the A/C compressor, if equipped. Refer to COMPRESSOR .
  8. Remove the power steering pump. Refer to POWER STEERING PUMP REPLACEMENT (2.2L) or POWER STEERING PUMP REPLACEMENT (4.3L) .
  9. Remove the thermostat assembly. Refer to THERMOSTAT REPLACEMENT (2.2 L) or THERMOSTAT REPLACEMENT (4.3 L) .
  10. Remove the bolts holding the accessory mounting bracket to the engine.
  11. Remove the accessory mounting bracket.
  12. Remove the exhaust manifold. Refer to EXHAUST MANIFOLD REPLACEMENT .
  13. Remove the valve rocker arm cover. Refer to Valve Rocker Arm Cover Replacement .
  14. Remove the valve rocker arms and push rods. Refer to Valve Rocker Arm and Push Rod Replacement .
  15. Remove the intake manifold. Refer to Intake Manifold Replacement .
    Fig 2: Accessory Mounting Bracket & Bolts
    G01658872Courtesy of GENERAL MOTORS CORP.
  16. Remove the engine lift bracket from the rear of the engine.
    Fig 3: Engine Lift Bracket
    G01658873Courtesy of GENERAL MOTORS CORP.
  17. Remove the cylinder head bolts.
  18. Remove the cylinder head.
  19. Remove and discard the cylinder head gasket.
    Fig 4: Cylinder Head Bolts
    G01658874Courtesy of GENERAL MOTORS CORP.
  20. Clean the following areas:
    • Clean any carbon deposits from the combustion chambers.
    • Clean all traces of the old cylinder head gasket from the cylinder head and from the engine block.

    Important:  Do not use abrasive pads to clean the cylinder head or block surfaces. An abrasive pad will damage the cylinder head and block surfaces. Abrasive pads also produce a fine grit that will contaminate the engine oil.

    It is only necessary to remove the gasket material. Do not attempt to remove all marks from the cylinder head gasket surfaces.

    • Clean the cylinder head bolt threads.
    • Clean the threads that are in the engine block.
    Fig 5: Cleaning Cylinder Head
    G01658875Courtesy of GENERAL MOTORS CORP.
  21. Inspect the engine block to cylinder head mating surface for the following conditions:
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