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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 427 (Engine Mechanical - 4.8L, 5.3L, & 6.0L (Unit Repair)) >> Repair Instructions >> Exhaust Manifold Removal - Right

Exhaust Manifold Removal - Right

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IMPORTANT: Do not remove the Exhaust Gas Recirculation (EGR) valve from the pipe assembly unless service is required, if applicable.
  1. Remove the EGR valve, gasket, and bolts.
    Fig 1: EGR Valve, Gasket & Bolt
    G01674592Courtesy of GENERAL MOTORS CORP.
  2. Remove the EGR pipe bolt (1) from the intake manifold.
    Fig 2: EGR Pipe-To-Intake Manifold Bolt
    G01674593Courtesy of GENERAL MOTORS CORP.
  3. Remove the EGR pipe bolts (1) and gasket from the exhaust manifold.
    Fig 3: EGR Pipe-To-Exhaust Manifold Bolt
    G01674594Courtesy of GENERAL MOTORS CORP.
  4. Remove the EGR pipe bolts (3) from the cylinder head.
  5. Remove the EGR pipe assembly.

    With mild force, pull the EGR pipe (2) from the intake manifold.

  6. Remove the O-ring seal (1) from the EGR pipe assembly.
  7. Discard the exhaust manifold gasket (4) and O-ring seal (1).
    Fig 4: EGR Pipe Assembly
    G01674595Courtesy of GENERAL MOTORS CORP.
  8. Remove the spark plug wires from the spark plugs.

    Do not remove the spark plug wires from the ignition coils unless required.

  9. Remove the exhaust manifold, bolts, and gasket.
  10. Discard the gasket.
    Fig 5: Right Exhaust Manifold, Gasket & Bolts
    G01674596Courtesy of GENERAL MOTORS CORP.
  11. Remove the heat shield (2) and bolts (3) from the manifold (1), if required.
    Fig 6: Right Exhaust Manifold, Heat Shield & Bolts
    G01674597Courtesy of GENERAL MOTORS CORP.