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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1930 (Engine Exhaust System) >> Repair Instructions >> Exhaust Manifold Replacement (LAT or LE5) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2009 Saturn Vue. 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 .
    2. Fig 1: Identifying Catalytic Converter
    GM1650757Courtesy of GENERAL MOTORS CORP.
    CAUTION: Do not bend the exhaust flex decoupler more than 3 degrees in any direction. Movement of more than 3 degrees will damage the exhaust flex decoupler.
  2. Remove the catalytic converter to exhaust manifold nuts.
  3. Pull down and back on the exhaust pipe in order to separate the catalytic converter from the exhaust manifold.
  4. Remove and discard the catalytic converter gasket.
    5. Fig 2: Air Cleaner Bracket Nuts
    GM1887322Courtesy of GENERAL MOTORS CORP.
  5. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  6. Remove the outlet duct retaining bracket.
  7. Remove the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement (LAT or LE5) .
  8. Remove the HO2S. Refer to Heated Oxygen Sensor Replacement - Sensor 1 .
    9. Fig 3: Exhaust Manifold
    GM1631764Courtesy of GENERAL MOTORS CORP.
  9. Remove the exhaust manifold nuts.
  10. Remove the exhaust manifold.
  11. Remove and discard the exhaust manifold gasket.
  12. Clean and inspect all gasket mating surfaces.
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