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Home › Hummer › 2008 › H3 Base, Standard › Repair and Diagnosis › External Pages › Different car › Section 407 (Engine Controls And Fuel - 4.4L - Introduction) › Repair Instructions › Knock Sensor 1 Replacement › Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2009 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Supercharger Assembly
    GM1614621Courtesy of GENERAL MOTORS CORP.
  1. Remove the supercharger assembly. Refer to Supercharger Replacement .
    2. Fig 2: View Of Knock Sensors & Electrical Connectors
    GM1284306Courtesy of GENERAL MOTORS CORP.
  2. Disconnect the knock sensor (KS) electrical connector (2).
  3. Remove the KS bolt.
  4. Remove the KS (1).
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