Grand Marquis V8-4.6L Flex Fuel (2010)
Fire Suppression Module: Service and Repair
Fire Suppression System Module (FSSM)
WARNING: Always wear eye protection when servicing a vehicle. Failure to follow this instruction may result in serious personal injury.
NOTICE: Electronic modules are sensitive to static electrical charges. If exposed to these charges, damage may result.
Removal and Installation
1. WARNING: To reduce the risk of accidental deployment, do not use any memory saver devices when depowering the fire suppression
system. Failure to follow this instruction may result in serious personal injury.
WARNING: If the vehicle is equipped with a fire suppression system, disconnect the battery before anyone gets under the vehicle or near
the rear axle area. You could unintentionally deploy the fire suppression system. Failure to follow these instructions may result in serious
personal injury.
Disconnect the battery. For additional information, refer to Battery.
2. Remove the rear seat cushion pad and frame.
1. Apply pressure to the lower front portion of the rear seat cushion pad and frame.
2. Push the rear seat cushion pad and frame rearward to disengage the rear seat cushion front retainers.
3. WARNING: The tightening torque of the fire suppression system module (FSSM) bolts and the FSSM orientation on the body of the
vehicle is critical for correct system operation. Always tighten and orient the FSSM per specifications. Failure to do so may result in
incorrect fire suppression system operation, which increases the risk that it will not protect vehicle occupant(s).
Remove the 4 bolts and the Fire Suppression System Module (FSSM).
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Disconnect the electrical connectors.
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To install, tighten to 12 Nm (106 lb-in).
4. To install, reverse the removal procedure.
