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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1675 (Engine Mechanical - 3.1L V6 - VIN (J)) >> Repair Instructions >> On-Vehicle repair Instructions >> Cylinder Head Replacement - Right >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and support the vehicle. Refer to LIFTING AND JACKING THE VEHICLE in General Information.
  2. Drain the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM in Engine Cooling.
  3. Drain the engine oil. Refer to ENGINE OIL AND OIL FILTER REPLACEMENT  .
  4. Lower the vehicle.
  5. Remove the lower intake manifold. Refer to INTAKE MANIFOLD REPLACEMENT - LOWER  .
  6. Remove the valve rocker arms and pushrods. Refer to VALVE ROCKER ARM AND PUSH ROD REPLACEMENT  .
  7. Remove the exhaust crossover pipe. Refer to EXHAUST CROSSOVER PIPE REPLACEMENT (3.1L) .
  8. Remove the right spark plug wires from the spark plugs. Refer to SPARK PLUGS in Removal & Installation.
  9. Remove the fuel line bracket bolts/studs and the bracket.
    Fig 1: Removing Fuel Line Bracket Bolts/Studs & Bracket
    G01967965Courtesy of GENERAL MOTORS CORP.
  10. Remove the generator. Refer to GENERATOR in Generators & Regulators.
  11. Remove the right spark plugs. Refer to SPARK PLUGS in Removal & Installation.
  12. Remove the right exhaust manifold. Refer to EXHAUST MANIFOLD REPLACEMENT - RIGHT (3.1L) in Engine Exhaust.
  13. Remove the right cylinder head bolts and discard the bolts.
    Fig 2: Removing Right Cylinder Head & Bolts
    G01967966Courtesy of GENERAL MOTORS CORP.
  14. Remove the right cylinder head.
  15. Remove the right cylinder head gasket.
    Fig 3: Removing Right Cylinder Head Gasket
    G01967967Courtesy of GENERAL MOTORS CORP.
  16. Clean and inspect the right cylinder head and the gasket mating surfaces. Refer to CYLINDER HEAD CLEANING AND INSPECTION  .
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