FixVault

Removal Procedure

    Fig 1: Knock Sensor And crankshaft position (CKP) sensor Electrical Connectors
    GM1860405Courtesy of GENERAL MOTORS COMPANY
  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: Knock Sensor And Bolt
    GM860801Courtesy of GENERAL MOTORS COMPANY
  4. Loosen the knock sensor bolt and remove the knock sensor.