Expedition 2WD V8-5.4L (2009)
Seat Heater: Service and Repair
Seat Cushion
Seat Cushion Thermo-Electric Device
Seat Cushion Thermo-Electric Device
Removal and Installation
NOTE: For component identification and locations, refer to Seat - Exploded View, Front See: Service and Repair/Front Seats/Seat - Exploded View,
Front.
1. Remove the seat. For additional information, refer to Seat - Front See: Service and Repair/Front Seats/Seat - Front.
2. NOTE: Use care when removing the Thermo-Electric Device (TED). The U-nuts can slip into the cushion frame.
Remove the seat cushion TED.
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Disconnect the electrical connector and detach the wire harness.
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Remove the 2 screws and TED.
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For correct installation, note wire harness routing.
3. To install, reverse the removal procedure.
Seat Cushion Heater Mat
Seat Cushion Heater Mat
Removal
NOTICE: Do not reinstall any heater mat after removal. The adhesive will not adhere correctly to the foam pad causing it to bunch up or shift
out of place. A new heater mat must be installed. Failure to follow this instruction can result in seat component damage and system failure.
1. Remove the seat cushion trim cover. For additional information, refer to Seat Cushion Cover - Second Row, 40 Percent See: Seat Cover/Service
and Repair/Second Row Seats/Seat Cushion Cover/Seat Cushion Cover - Second Row, 40 Percent.
2. Route the heater mat wiring harness from the seat.
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Note harness routing for correct installation.
3. NOTICE: Do not use a razor knife or other sharp tool to separate the heater mat from the foam pad. Damage to the foam pad may result.
Install a new foam pad if torn or burned.
Carefully peel the cushion heater mat from the foam pad and discard.
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Only a thin layer of foam should peel off with the adhesive.
4. If burned or torn, remove and discard the cushion foam pad.
Installation
1. If needed, install a new cushion foam pad.
2. NOTICE: Remove all paper strips from the adhesive before applying the heater mat to the foam pad. Otherwise, damage to the seat can
