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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 603 (Engine Exhaust System) >> Repair Instructions >> Exhaust Seal Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and suitably support the vehicle.
    WARNING: In order to avoid being burned, do not service the exhaust system while it is still hot. Service the system when it is cool.
    WARNING: Always wear protective goggles and gloves when removing exhaust parts as falling rust and sharp edges from worn exhaust components could result in serious personal injury.
  2. Remove the catalytic converter pipe to exhaust manifold flange nuts.
  3. Remove the catalytic converter pipe from the exhaust manifold.
  4. Remove and discard the seal.
  5. Inspect the exhaust manifold studs for damage.
  6. Remove any damaged studs.
    Fig 1: Removing Catalytic Converter Pipe
    G01699391Courtesy of GENERAL MOTORS CORP.
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