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Home >> GMC >> 2011 >> Acadia SL, FWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 3.6L - Repair Instructions >> Repair Instructions >> Knock Sensor Replacement - Bank 1 >> Removal Procedure

Removal Procedure

    Fig 1: Identifying Knock Sensor & Crankshaft Position (CKP) Sensor Electrical Connectors
    GM1860405Courtesy of GENERAL MOTORS CORP.
  1. Remove the exhaust manifold lower heat shield. Refer to Exhaust Manifold Lower Heat Shield Replacement .
  2. Disconnect the engine wiring harness electrical connector (1) from the bank 1 knock sensor (2).
    3. Fig 2: View Of Right Knock Sensor & Bolt
    GM860801Courtesy of GENERAL MOTORS CORP.
  3. Loosen the knock sensor bolt and remove the knock sensor.
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