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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1500 (Engine Exhaust System) >> Repair Instructions >> Catalytic Converter Replacement (4.2L Engine) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the converter hangars into the exhaust insulators in order to secure the pipe to the vehicle.
    Fig 1: Installing Converter Hangars Into Exhaust Insulators
    G02131306Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  2. Install the converter pipe to the muffler and secure the pipe with the nut.

    Tighten 

    Tighten the converter pipe to muffler nuts to 45 N.m (33 lb ft).

    Fig 2: Installing Converter Pipe To The Muffler With Nuts
    G02131307Courtesy of GENERAL MOTORS CORP.
  3. Install the converter pipe to the exhaust manifold with the exhaust seal, and secure the pipe with the nuts.

    Tighten 

    Tighten the converter pipe to the exhaust manifold to 50 N.m (37 lb ft).

  4. Lower the vehicle.
    Fig 3: Installing Converter Pipe To Exhaust Manifold With Exhaust Seal & Nuts
    G02131308Courtesy of GENERAL MOTORS CORP.