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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 75 (Exhaust System) >> Repair Instructions >> Warm Up Three-Way Catalytic Converter Replacement (LV1) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
  1. Electrical Connector @ Heated Oxygen Sensor Bank 1 Sensor 1 - Disconnect - Heated Oxygen Sensor Replacement - Bank 1 Sensor 1
  2. Electrical Connector @ Heated Oxygen Sensor Bank 1 Sensor 2 - Disconnect - Heated Oxygen Sensor Replacement - Bank 1 Sensor 2
  3. Electrical Connector @ Heated Oxygen Sensor Bank 2 sensor 1 - Disconnect - Heated Oxygen Sensor Replacement - Bank 2 Sensor 1
  4. Electrical Connector @ Heated Oxygen Sensor Bank 2 sensor 2 - Disconnect - Heated Oxygen Sensor Replacement - Bank 2 Sensor 2
  5. GM4846478Courtesy of GENERAL MOTORS COMPANY

    Exhaust Front Pipe Nut (1) @ Left Side - Remove [3x]

  6. GM4846326Courtesy of GENERAL MOTORS COMPANY

    Exhaust Front Pipe Nut (1) @ Right Side - Remove [3x]

  7. GM4846600Courtesy of GENERAL MOTORS COMPANY

    Catalytic Converter Nut (1) - Remove [2x]

  8. Transmission Support Crossmember - Remove - Transmission Support Crossmember Replacement (LWN) , or Transmission Support Crossmember Replacement (MYD) , or Transmission Support Crossmember Replacement (LV1 with M5U)
  9. GM4847165Courtesy of GENERAL MOTORS COMPANY

    Warm Up Three-Way Catalytic Converter (1) - Remove

  10. Transfer components as necessary.
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