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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 980 (Supplemental Inflatable Restraint System) >> Repair Instructions >> Inflatable Restraint Passenger Presence System Replacement - Front >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Replace the passenger presence system as a complete assembly to prevent possible injury to the occupant. The bladder, the pressure sensor, the seat cushion, and the control module are assembled and calibrated as a unit. Using only some of the components in the service kit will cause the passenger presence system to operate improperly.
  1. Remove the seat cushion trim cover and pad. Refer to Seat Cushion Trim Cover and Pad Replacement in Seats.
  2. Disconnect the electrical connectors.
  3. Remove the bolts that retain the electronic control unit (ECU) (1) from the bottom of the passenger seat cushion frame.
    Fig 1: View Of Electronic Control Unit & Pressure Switch
    GM811855Courtesy of GENERAL MOTORS CORP.
  4. Remove the pressure switch (2) from the bottom of the passenger seat cushion frame.
    5. Fig 2: Seat Cushion Frame Bladder Retainers
    GM811858Courtesy of GENERAL MOTORS CORP.
  5. Remove the push in retainer's (1) that hold the bladder to the seat cushion frame.
  6. Remove the inflatable restraint passenger presence system from the seat.
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