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Home >> Chevrolet >> 2005 >> Impala LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 1210 (Engine Controls/Fuel - 2.4L - Repair Instructions) >> Repair Instructions >> Knock Sensor Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2012 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Engine Wiring Harness Electrical Connectors
    GM1890235Courtesy of GENERAL MOTORS COMPANY
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (LE5, LE9, LY7) .
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  3. Disconnect the engine wiring harness electrical connector (1) from the knock sensor pigtail electrical connector (6).
  4. Remove the knock sensor electrical connector pigtail (6) clip from the oil level indicator tube bracket.
    5. Fig 2: Identifying Knock Sensor
    GM1578476Courtesy of GENERAL MOTORS COMPANY
  5. Remove the knock sensor bolt.
  6. Remove the knock sensor.
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