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Home › Buick › 2005 › Century Base › Repair and Diagnosis › External Pages › Different car › Section 23 (Supplemental Inflatable Restraint System) › Repair Instructions › Inflatable Restraint Sensing and Diagnostic Module Replacement › Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Buick Regal and 2004 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
    CAUTION: Do not strike or jolt the inflatable restraint sensing and diagnostic module (SDM). Before applying power to the SDM, make sure that it is securely fastened with the arrow facing toward the front of the vehicle. 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 9 .
  2. Remove the passenger front seat. Refer to Seat Replacement - Split Bench or to Seat Replacement - Front Bucket in Seats.
  3. Remove the right side front and rear carpet retainers. Refer to Carpet Retainer Replacement - Front and Carpet Retainer Replacement - Rear in Interior Trim.
  4. Remove the center pillar, lower trim panel. Refer to Trim Panel Replacement - Lower Center Pillar in Interior Trim.
  5. Remove the right insulator panel. Refer to Closeout/Insulator Panel Replacement - Right in Instrument Panel, Gages and Console.
  6. Reposition the front and rear door weather-strips as required.
  7. Lift up the carpet to access the inflatable restraint sensing and diagnostic module (SDM).
    8. Fig 1: View Of Connector Position Assurance
    GM217474Courtesy of GENERAL MOTORS CORP.
  8. Remove the connector position assurance (CPA) from the connector to the SDM.
    9. Fig 2: View Of Connector At SDM
    GM217475Courtesy of GENERAL MOTORS CORP.
  9. Disconnect the connector from the SDM.
    10. Fig 3: View Of SDM
    GM238075Courtesy of GENERAL MOTORS CORP.
  10. Remove the SDM mounting fasteners (1).
  11. Remove the SDM (2) from the floor pan (3).
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