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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 27 (Drive Axles) >> Removal & Installation >> Catalytic Converters >> Removal

Catalytic Converters: Removal

WARNING: This page is about a different car, the 2003 Chevrolet Corvette and 2002 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and suitably support the vehicle.
  2. Remove the Connector Position Assurance (CPA) locks from the oxygen sensor connectors.
  3. Disconnect the oxygen sensor electrical connectors.
  4. Remove the oxygen sensor clips to the heat shields.
    5. CAUTION: Handle the oxygen sensors carefully in order to prevent damage to the component. Keep the oxygen sensor electrical connector and the exhaust inlet end free of contaminants. DO NOT use cleaning solvents on the sensor. DO NOT drop or mishandle the sensor.
  5. Remove the oxygen sensors.
  6. Remove the exhaust pipe-to-exhaust manifold nuts.
  7. Install adjustable jack stands under the front and rear of the catalytic converter assembly.
  8. Remove the exhaust pipe hanger lower bolts.
  9. Remove the exhaust pipe brace lower bolts.
  10. Remove the exhaust muffler bolts.
  11. Remove the exhaust muffler gaskets.
  12. Lower the jack stands.
  13. With the aid of an assistant, remove the catalytic converter assembly from the jack stands.
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