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Home >> GMC >> 2002 >> Jimmy 2D Utility, Automatic, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1420 (Supplemental Inflatable Restraint System) >> Repair Instructions >> Inflatable Restraint Front End Sensor Replacement >> Removal Procedure

Removal Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
    CAUTION: Do not strike or jolt the inflatable restraint front end sensor. Before applying power to the front end sensor make sure that it is securely fastened. Failure to observe the correct installation procedure could cause SIR deployment, personal injury, or unnecessary SIR system repairs.
    CAUTION: Refer to SIR Caution in Cautions and Notices.
  1. Disable the SIR system. Refer to SIR Disabling and Enabling Zone 1 .
  2. Remove the grille. Refer to Grille Replacement (Envoy, Envoy XUV) or Grille Replacement (TrailBlazer) or Grille Replacement (Bravada) or Grille Replacement (Rainier) in Exterior Trim.
    3. Fig 1: Removing/Installing Headlamp Wire Harness From Retaining Clip
    GM842975Courtesy of GENERAL MOTORS CORP.
  3. Remove the headlamp wire harness from the retaining clip (1).
    4. Fig 2: Locating Headlamp Wire Harness
    GM842985Courtesy of GENERAL MOTORS CORP.
  4. Raise and support the headlamp wire harness (1) to gain access to the front end sensor.
    5. Fig 3: Locating Sensor-To-Frame Retaining Bolts
    GM842968Courtesy of GENERAL MOTORS CORP.
  5. Loosen the bolts (1) retaining the sensor to the frame.
    6. Fig 4: Locating Sensor Assembly
    GM742124Courtesy of GENERAL MOTORS CORP.
  6. Remove the sensor assembly from the frame (1).
    7. Fig 5: View Of Connector Position Assurance At Front End Sensor Connectors
    GM842979Courtesy of GENERAL MOTORS CORP.
  7. Position the sensor assembly above the front bumper.
  8. Remove the retaining bolts and protective cover (1) from the sensor.
  9. Remove the connector-position assurance (CPA) from the sensor electrical connector.
  10. Disconnect the sensor (2) electrical connector.
  11. Remove the sensor from the vehicle.
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