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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1958 (Engine Controls And Fuel - 3.6L (Ly7) - Introduction) >> Repair Instructions >> Knock Sensor Replacement - Bank 1 >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Engine Wiring Harness Electrical Connector
    GM1836545Courtesy of GENERAL MOTORS CORP.
  1. Remove the right catalytic converter. Refer to Catalytic Converter Replacement - Right Side (LY7) .
  2. Remove the exhaust manifold heat shield.
  3. Disconnect the engine wiring harness electrical connector (1) from the bank 1 knock sensor.
    4. Fig 2: View Of Right Knock Sensor & Bolt
    GM860801Courtesy of GENERAL MOTORS CORP.
  4. Loosen the knock sensor bolt and remove the knock sensor.
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