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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1957 (Engine Controls And Fuel - 3.5L - 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: Engine Wiring Harness Heat Shield Bolts
    GM1887297Courtesy of GENERAL MOTORS CORP.
  1. Remove the right catalytic converter. Refer to Catalytic Converter Replacement - Right Side (LZ4) .
  2. Remove the engine wiring harness heat shield nut (3).
  3. Remove the engine wiring harness heat shield bolts (1 and 4).
  4. Remove the engine wiring harness heat shield (2).
    5. Fig 2: Knock Sensor & Crankshaft Position Sensor & Connectors
    GM1887298Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the engine wiring harness electrical connector (5) from the knock sensor (2).
    6. Fig 3: Identifying Knock Sensor
    GM1800585Courtesy of GENERAL MOTORS CORP.
  6. Remove the knock sensor bolt and sensor.
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