LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1054 (Engine Exhaust System) >> Repair Instructions >> Exhaust Manifold Replacement - Right (4.3L Engine) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the right exhaust manifold pipe nuts.
    Fig 1: View Of Right Exhaust Pipe Nuts
    GM858553Courtesy of GENERAL MOTORS CORP.
  3. Lower the vehicle.
    4. Fig 2: View Of Air Cleaner Outlet Duct Clamp
    GM360851Courtesy of GENERAL MOTORS CORP.
  4. Loosen the air cleaner outlet duct clamp at the mass airflow/intake air temperature (MAF/IAT) sensor.
    5. Fig 3: Positive Crankcase Ventilation (PCV) Hose (4.3L Engine)
    GM701705Courtesy of GENERAL MOTORS CORP.
  5. Remove the positive crankcase ventilation (PCV) hose.
    6. Fig 4: View Of Air Cleaner Adapter Nut
    GM489179Courtesy of GENERAL MOTORS CORP.
  6. Remove the air cleaner adapter nut.
    7. Fig 5: View Of Air Cleaner Outlet Duct
    GM489176Courtesy of GENERAL MOTORS CORP.
  7. In order to remove the air cleaner outlet duct, pivot the duct upward until the hinge clip releases from the lip on the throttle body.
  8. Remove the oil level indicator tube. Refer to Oil Level Indicator and Tube Replacement in Engine Mechanical - 4.3L.
    9. Fig 6: View Of Spark Plug And Sparkplug Seat
    GM14824Courtesy of GENERAL MOTORS CORP.
  9. Disconnect the spark plug wires from the spark plugs.
  10. Remove the spark plug wire retainer bolt.
  11. Reposition the wire retainer to the top of the engine.
  12. Remove the spark plugs.
    13. Fig 7: Exhaust Manifold And Spark Plug Heat Shield (4.3L Engine)
    GM188121Courtesy of GENERAL MOTORS CORP.
  13. Remove the exhaust manifold and spark plug heat shield bolts.
  14. Remove the exhaust manifold and spark plug heat shields.
    15. Fig 8: Exhaust Manifold Gaskets (4.3L Engine)
    GM328555Courtesy of GENERAL MOTORS CORP.
  15. Remove and discard the exhaust manifold gaskets.
    16. Fig 9: Exhaust Manifold Heat Shield (4.3L Engine)
    GM493851Courtesy of GENERAL MOTORS CORP.
  16. Remove the exhaust manifold heat shield, if required.
  17. Clean all gasket mating surfaces.
scientia non olet · About LEMON Manuals