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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 870 (Engine Mechanical) >> Repair Instructions >> On-Vehicle Repair Instructions >> Cylinder Head Replacement - Right >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the battery negative cable from the battery.
  2. Raise and support the vehicle.
  3. Drain the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM .
  4. Drain the engine oil. Refer to ENGINE OIL AND OIL FILTER REPLACEMENT  .
  5. Lower the vehicle.
  6. Remove the lower intake manifold. Refer to INTAKE MANIFOLD REPLACEMENT - LOWER  .
    Fig 1: Removing Cylinder Head - Right
    G01500590Courtesy of GENERAL MOTORS CORP.
  7. Remove the exhaust crossover pipe. Refer to EXHAUST CROSSOVER PIPE REPLACEMENT .
  8. Remove the pushrods and valve rocker arms. Refer to VALVE ROCKER ARM AND PUSH ROD REPLACEMENT  .
  9. Remove and discard the cylinder head bolts.
  10. Remove the cylinder head.
  11. Remove and discard the cylinder head gasket.
  12. Clean the following areas:
    • The gasket sealing surfaces on the cylinder head, cylinder block, and intake manifolds.
    • The cylinder block bolt threads.
    • The cylinder head bolts.
  13. Clean and inspect the cylinder head.
  14. If the cylinder head is being replaced, perform the following steps:
    Fig 2: Removing Cylinder Head Gasket - Right
    G01500591Courtesy of GENERAL MOTORS CORP.
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