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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1188 (Engine Mechanical - 5.7L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Cylinder Head Replacement-Left >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the valve rocker arms and pushrods. Refer to VALVE ROCKER ARM AND PUSH ROD REPLACEMENT  .
  2. Remove the engine coolant air bleed pipe and covers. Refer to COOLANT AIR BLEED PIPE ASSEMBLY REPLACEMENT in Engine Cooling.
  3. Remove the generator bracket.
  4. Remove the exhaust manifold. Refer to EXHAUST MANIFOLD REPLACEMENT - LEFT in Engine Exhaust.
  5. Remove the engine wiring harness ground bolt (5) from the rear of the left cylinder head.
    Fig 1: Locating Engine Wiring Harness Components
    G01970501Courtesy of GENERAL MOTORS CORP.
  6. Reposition the engine wire harness ground strap (6) away from the cylinder head.

    Important:  The cylinder head bolts are NOT reusable.

  7. Remove the cylinder head bolts.
    NOTE: After removal, place the cylinder head on two wood blocks to prevent damage.
  8. Remove the cylinder head.
    Fig 2: Removing Cylinder Head
    G01970502Courtesy of GENERAL MOTORS CORP.
  9. Remove the cylinder head gasket.
    Fig 3: Removing Cylinder Head Gasket
    G01970503Courtesy of GENERAL MOTORS CORP.
  10. Discard the gasket.
  11. Discard the M11 cylinder head bolts.
  12. Clean and inspect the cylinder head. Refer to CYLINDER HEAD CLEANING AND INSPECTION .
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