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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1071 (Engine Controls - 3.6L (Ly7) (Introduction)) >> Repair Instructions >> Knock Sensor (KS) Replacement - Bank 1 >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Disconnect the intermediate steering shaft from the steering gear. Refer to Intermediate Steering Shaft Replacement in Steering Wheel and Column.
    3. Fig 1: Supporting Rear Center Section Of Frame With A Utility Stand
    GM1388664Courtesy of GENERAL MOTORS CORP.
  3. Position a utility stand beneath the rear center section of the frame in order to support the powertrain.
  4. Remove the frame rear bolts.
    5. IMPORTANT: Do not lower the powertrain more than 100 mm (4 in).
  5. Carefully lower the powertrain in order to provide access.
    6. Fig 2: View Of Crank Sensor Heat Shield & Bolts
    GM1395482Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Use a universal or swivel socket with a long extension in order to remove the bolts.
  6. Remove the crank sensor heat shield bolts (1, 2) and the heat shield.
    7. Fig 3: Locating Knock Sensor (KS) Electrical Connector
    GM1394074Courtesy of GENERAL MOTORS CORP.
  7. Disconnect the knock sensor (KS) electrical connector.
    8. IMPORTANT: Use a universal or swivel socket with a long extension in order to remove the bolt.
    Fig 4: View Of Right Knock Sensor & Bolt
    GM860801Courtesy of GENERAL MOTORS CORP.
  8. Remove the KS bolt and the KS.
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