LEMON Manuals: Even more car manuals for everyone
Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 501 (Engine Controls/Fuel - Hybrid (LZ1) - Repair Instructions) >> Repair Instructions >> Heated Oxygen Sensor Replacement - Bank 2 Sensor 1 >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2012 GMC Yukon, 2012 Chevrolet Tahoe, and 2012 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Locating HO2S Electrical Connector, CPA Retainer, Engine Wiring Harness Electrical Connector & Clip
    GM1960377Courtesy of GENERAL MOTORS COMPANY
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the connector position assurance (CPA) retainer (3).
  3. Disconnect the engine wiring harness electrical connector (2) from the HO2S electrical connector (1).
  4. Remove the HO2S clip from the engine wiring harness clip (4).
  5. Fig 2: View Of Exhaust Sensors
    GM1960379Courtesy of GENERAL MOTORS COMPANY
  6. Remove the HO2S (2).