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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 - Left Side (LZ4) >> 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 .
  4. Install the catalytic converter nuts (1) and tighten to 60 N.m (44 lb ft).
  5. Remove the support from the exhaust system.
    6. Fig 2: Left Side Catalytic Converter To Exhaust Manifold Nuts
    GM1886091Courtesy of GENERAL MOTORS CORP.
  6. Lower the vehicle.
  7. Install the left side catalytic converter to exhaust manifold nuts (1) and tighten to 35 N.m (26 lb ft).
    8. Fig 3: Left Side Exhaust Manifold Heat Shield Bolts
    GM1886075Courtesy of GENERAL MOTORS CORP.
  8. Install the exhaust manifold heat shield.
  9. Install the left side exhaust manifold heat shield bolts (1) and tighten to 10 N.m (89 lb in).
  10. Install the HO2S sensor. Refer to Heated Oxygen Sensor Replacement - Bank 2 Sensor 2 .
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