FixVault

Removal Procedure

  1. Drain the cooling system. Refer to Draining and Filling Cooling System (L26 and L32) or Draining and Filling Cooling System (LS4) .
  2. Fig 1: Left Knock Sensor Electrical Connector
    GM1554554Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the knock sensor electrical connector.
  4. Fig 2: Left Knock Sensor
    GM1551881Courtesy of GENERAL MOTORS CORP.
  5. Remove the knock sensor bolt.
  6. Remove the knock sensor.