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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Controls And Fuel - 4.6L - Introduction (2 Of 2)) >> Repair Instructions >> Knock Sensor Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Identifying Knock Sensor
    GM1672563Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  1. Install the appropriate knock sensor.

    Tighten:  Tighten the sensor to 25 N.m (18 lb ft).

    2. Fig 2: Identifying CKP Sensor Wiring Harness Electrical Connector
    GM1672558Courtesy of GENERAL MOTORS CORP.
  2. Connect the electrical connector (2) to the left knock sensor, if required.
    3. Fig 3: Identifying Knock Sensor (KS) Wiring Harness Electrical Connector
    GM1672557Courtesy of GENERAL MOTORS CORP.
  3. Connect the electrical connector (3) to the right knock sensor, if required.
  4. Install the intake manifold. Refer to Intake Manifold Replacement .
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