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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 >> Catalytic Converter Replacement - Right Side (LY7) >> Installation Procedure

Installation 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.
    Fig 1: Catalytic Converter To Intermediate Muffler Nuts
    GM1886121Courtesy of GENERAL MOTORS CORP.
  1. Install the catalytic converter gasket onto the catalytic converter.
  2. Reposition the muffler assembly rearward until the catalytic converter can be installed.
  3. Install the catalytic converter.
  4. CAUTION: Refer to Fastener Caution .
  5. Install the catalytic converter to intermediate muffler nuts (1) and tighten to 60 N.m (44 lb ft).
  6. Remove the support from the exhaust system.
  7. Fig 2: Right Side Catalytic Converter To Exhaust Manifold Nuts
    GM1886115Courtesy of GENERAL MOTORS CORP.
  8. Install the right side catalytic converter to exhaust manifold nuts and tighten to 35 N.m (26 lb ft).
  9. Fig 3: Right Side Exhaust Manifold Heat Shield Bolts
    GM1886100Courtesy of GENERAL MOTORS CORP.
  10. Install the right side exhaust manifold heat shield.
  11. Install the right side exhaust manifold heat shield bolts (1) and tighten to 10 N.m (89 lb in).
  12. Fig 4: Exhaust Manifold Heat Shield Bolts
    GM1888860Courtesy of GENERAL MOTORS CORP.
  13. Install the exhaust manifold heat shield.
  14. Install the right side exhaust manifold heat shield bolts (1) and tighten to 10 N.m (89 lb in).
  15. Fig 5: HO2S Electrical Connector
    GM1888732Courtesy of GENERAL MOTORS CORP.
  16. Connect the engine wiring harness electrical connector to the HO2S electrical connector (1)
  17. Install the HO2S sensor. Refer to Heated Oxygen Sensor Replacement - Bank 1 Sensor 2 .