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Home >> Pontiac >> 2010 >> Vibe GT, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System & Fuel System - 2.4L (Lax) - Repair Instructions >> Repair Instructions >> Knock Sensor Replacement >> Removal Procedure

Removal Procedure

  1. Discharge the fuel system pressure.
  2. Drain coolant.
  3. Remove the windshield wiper motor and link assembly. Refer to Windshield Wiper Motor Replacement
  4. Remove the outer cowl top panel.
  5. Remove the engine cover. Refer to Engine Cover Replacement
  6. Remove the air cleaner cap with hose.
  7. Remove the throttle body assembly. Refer to Throttle Body Assembly Replacement 
  8. Remove the fuel delivery pipe with fuel tube.
    9. Fig 1: Identifying Ventilation Hose
    GM2016561Courtesy of GENERAL MOTORS CORP.
  9. Remove the intake manifold. Refer to Intake Manifold Replacement
  10. Disconnect the ventilation hose (1).
  11. Disconnect the union to check valve hose.
    12. Fig 2: Locating Intake Manifold Wire Harness Clamp
    GM2016564Courtesy of GENERAL MOTORS CORP.
  12. Separate the wire harness clamp (1) from the intake manifold.
    13. Fig 3: Locating Knock Sensor Nut & Connector
    GM2016567Courtesy of GENERAL MOTORS CORP.
  13. Disconnect the knock sensor connector (2).
  14. Remove the nut (1) and knock sensor.
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