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Home >> Chevrolet >> 2007 >> Impala SS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 5.3L - Introduction (2 Of 2) >> Repair Instructions >> Knock Sensor Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: Right Knock Sensor
    GM1551882Courtesy of GENERAL MOTORS CORP.
  1. Position the right knock sensor to the engine block, if required.
    2. NOTE: Refer to Fastener Notice .
  2. Install the right knock sensor bolt, if required.

    Tighten:  Tighten the bolt to 20 N.m (15 lb ft).

    3. Fig 2: Crankshaft Position (CKP) Sensor Electrical Connector
    GM1554552Courtesy of GENERAL MOTORS CORP.
  3. Connect the right knock sensor electrical connector (2), if required.
    4. Fig 3: Left Knock Sensor
    GM1551881Courtesy of GENERAL MOTORS CORP.
  4. Position the left knock sensor to the engine block, if required.
  5. Install the left knock sensor bolt, if required.

    Tighten:  Tighten the bolt to 20 N.m (15 lb ft).

    6. Fig 4: Left Knock Sensor Electrical Connector
    GM1554554Courtesy of GENERAL MOTORS CORP.
  6. Connect the left knock sensor electrical connector, if required.
  7. Fill the cooling system. Refer to Draining and Filling Cooling System (LS4 GE 47716 Fill) or Draining and Filling Cooling System (LS4 Static Fill) .
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