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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 603 (Engine Exhaust System) >> Repair Instructions >> Exhaust Manifold Replacement - Left (4.3L) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the engine cover.
  2. Disconnect the engine coolant temperature (ECT) gage sensor electrical connector.
    Fig 1: Disconnecting Engine Coolant Temperature Gage Sensor Electrical Connector
    G01699370Courtesy of GENERAL MOTORS CORP.
  3. Raise the vehicle.
  4. Remove the left front tire.
  5. Remove the left fender wheelhouse extension (1).
  6. Remove the catalytic converter assembly.
    Fig 2: Removing Left Fender Wheelhouse Extension
    G01699371Courtesy of GENERAL MOTORS CORP.
  7. Remove the EGR valve inlet pipe from the exhaust manifold.
    Fig 3: Removing EGR Valve Inlet Pipe
    G01699372Courtesy of GENERAL MOTORS CORP.
  8. Remove the spark plug wires from the spark plugs.
  9. Remove the spark plug wire support bolts.
  10. Remove the spark plug wire support with the spark plug wires.
  11. Remove the spark plugs.
  12. Remove the AIR pipe from the exhaust manifold.
    Fig 4: Removing Spark Plug Wire Bracket
    G01699373Courtesy of GENERAL MOTORS CORP.
  13. Remove the exhaust manifold, gaskets and the spark plug wire shields from underneath the vehicle.
  14. Clean all gasket surfaces.
    Fig 5: Removing Exhaust Manifold, Gaskets & Spark Plug Wire Shields
    G01699374Courtesy of GENERAL MOTORS CORP.
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