Sierra Classic 1500 4WD V8-5.3L (2007)
8. Remove the lumbar actuator (5).
9. Unclip the seat trim cover from the seat cushion frame.
10. Using a side motion, carefully separate the seat cushion trim cover from the seat cushion pad.
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.
11. If replacing the front passenger seat cushion you must also replace the Inflatable Restraint Passenger Presence System. Refer to Inflatable
Restraint Passenger Presence System Replacement - Front .
12. Remove the pad from the seat cushion frame.
13. Remove the seat cushion heater element, if equipped. Refer to Driver Seat Cushion Heater and Passenger Seat Cushion Heater Replacement .
Installation Procedure
1. Install the seat cushion heater element, if equipped. Refer to Driver Seat Cushion Heater and Passenger Seat Cushion Heater Replacement .
2. Install the Inflatable Restraint Passenger Presence System. Refer to Inflatable Restraint Passenger Presence System Replacement - Front .
3. Install the seat cushion pad to the seat cushion frame.
4. Using a side motion, carefully pull the seat cushion cover onto the frame pad.
