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Home >> Hummer >> 2003 >> H2 >> Repair and Diagnosis >> External Pages >> Different car >> Section 578 (Supplemental Inflatable Restraint System) >> Repair Instructions >> Inflatable Restraint Front End Sensor Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disable the SIR system. Refer to sir disabling and enabling zones. Refer to SIR Disabling and Enabling Zones .
  2. Remove the engine protection shield, if equipped. Refer to Engine Protection Shield Replacement in Frame and Underbody.
    3. Fig 1: CPA & Inflatable Restraint Front End Discriminator Sensor Harness Connector
    GM189976Courtesy of GENERAL MOTORS CORP.
  3. Remove the connector position assurance (CPA) from the inflatable restraint front end discriminator sensor harness connector.
    4. Fig 2: Inflatable Restraint Front End Discriminating Sensor Harness Connector
    GM189982Courtesy of GENERAL MOTORS CORP.
  4. Disconnect the inflatable restraint front end discriminating sensor harness connector from the sensor.
    5. Fig 3: CPA & EFS Connectors Located On The Frame Crossmember
    GM832839Courtesy of GENERAL MOTORS CORP.
  5. Remove the mounting fasteners.
  6. Remove the inflatable restraint front end discriminating sensor from the vehicle.
    7. IMPORTANT: The following procedure should be utilized in the event that the sensor mounting holes or fasteners are damaged to the extent that the sensor may no longer be properly mounted.
  7. Perform the following steps in order to complete the fastener repair:
    1. Remove and discard the improperly installed fastener.
    2. Chisel off the damaged weld nut.
    3. Condition the front end lower tie surface where the new weld nut is to be installed.
    4. Install the new weld nut GM P/N 11514034 or equivalent into position.
    5. Migweld the new weld nut to the front end lower tie surface in the correct
    6. Use the new fastener GM P/N 11514034 or equivalent.
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