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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 428 (Engine Mechanical - 8.1L V8) >> Removal & Installation >> Catalytic Converter >> Removal

Catalytic Converter: Removal

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Suburban, and 2003 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and support vehicle.
  2. Remove engine shield bolts and shield, if necessary.
  3. Remove oil pan skid plate bolts and plate, if necessary.
  4. Remove muffler. See MUFFLER REPLACEMENT .
  5. Disconnect the Connector Position Assurance (CPA) retainers.
  6. Disconnect oxygen sensor electrical connectors.
  7. Remove left exhaust manifold pipe nuts.
  8. Remove catalytic converter.
  9. Slide catalytic converter hanger out of the exhaust pipe hanger bracket.
  10. Remove oxygen sensors if catalytic converter is to be replaced.
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