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Home >> Ford >> 2020 >> Expedition SSV, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 381 (Front Seats) >> General Procedures >> Seat Heater Mat Installation

Seat Heater Mat Installation

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NOTE: Always install a new heater mat.
NOTE: During installation, it is allowable to adhere a new heater mat to any adhesive left behind on the foam.
NOTE: During installation, make sure the heater mat doesn't have any folds or creases that the customer may feel when sitting in the seat.
NOTE: Typical seat cushion foam and heater mat shown, other seat cushion/backrest foam and heater mats are similar.
  1. Position the heater mat onto the foam so that the center section of the heater mat aligns to the center section of the foam.

    • Find the locator marks in the foam and ensure the heater mat aligns to them as closely as possible.

    GFD434034Courtesy of FORD MOTOR COMPANY
  2. Turn the RH upper and middle sections of the heater mat over to the other side to expose the adhesive paper overlay.
    GFD434035Courtesy of FORD MOTOR COMPANY
  3. Remove the heater mat adhesive paper overlay.
    GFD434036Courtesy of FORD MOTOR COMPANY
  4. Position the RH upper and middle sections of the heater mat back over and adhere the middle section of the heater mat to the middle section of the foam making sure it's aligned to the foam as in the previous step.
    GFD434037Courtesy of FORD MOTOR COMPANY
  5. Turn the LH upper and middle sections of the heater mat over to the other side to expose the adhesive paper overlay.
    GFD434038Courtesy of FORD MOTOR COMPANY
  6. Remove the heater mat adhesive paper overlay.
    GFD434039Courtesy of FORD MOTOR COMPANY
  7. Position the LH upper and middle sections of the heater mat back over and adhere the middle section of the heater mat to the middle section of the foam making sure they're aligned as in the previous step.
    GFD434040Courtesy of FORD MOTOR COMPANY
  8. NOTE: Make sure the heater mat bottoms out in the trench but do not compress the foam. Light pressure is all that is needed.

    If required, tuck the heater mat into the foam trench.

    GFD434041Courtesy of FORD MOTOR COMPANY
  9. While keeping the heater mat tucked (if required) in the foam trench, position the heater mat onto the foam so that the front section of the heater mat aligns to the front section of the foam.

    • Find the locator marks in the foam and ensure the heater mat aligns to them as closely as possible.

    GFD434042Courtesy of FORD MOTOR COMPANY
  10. Turn the LH front section of the heater mat over to the other side to expose the adhesive paper overlay.
    GFD434043Courtesy of FORD MOTOR COMPANY
  11. Remove the heater mat adhesive paper overlay.
    GFD434044Courtesy of FORD MOTOR COMPANY
    1. NOTE: Make sure the heater mat bottoms out in the trench but do not compress the foam. Light pressure is all that is needed.

      If required, hold the heater mat in position and tucked in the trench.

    2. Position the LH front section of the heater mat back over and adhere the heater mat to the foam making sure it's aligned to the foam as in the previous step.
    GFD434045Courtesy of FORD MOTOR COMPANY
  13. Turn the RH front section of the heater mat over to the other side to expose the adhesive paper overlay.
    GFD434046Courtesy of FORD MOTOR COMPANY
  14. Remove the heater mat adhesive paper overlay.
    GFD434047Courtesy of FORD MOTOR COMPANY
    1. NOTE: Make sure the heater mat bottoms out in the trench but do not compress the foam. Light pressure is all that is needed.

      If required, hold the heater mat in position and tucked in the trench.

    2. Position the RH front section of the heater mat back over and adhere the heater mat to the foam making sure it's aligned to the foam as in the previous step.
    GFD434048Courtesy of FORD MOTOR COMPANY
  16. NOTE: Location will vary by vehicle.

    If required  , feed the heater mat wiring pigtail through the foam opening while positioning the rear section of the heater mat back over on the foam.

    GFD434049Courtesy of FORD MOTOR COMPANY
  17. NOTE: Make sure the heater mat bottoms out in the trench but do not compress the foam. Light pressure is all that is needed.

    If required, tuck the heater mat into the foam trench.

    GFD434050Courtesy of FORD MOTOR COMPANY
  18. While keeping the heater mat tucked (if required) in the foam trench, position the heater mat onto the foam so that the rear section of the heater mat aligns to the rear section of the foam.

    • Find the locator marks in the foam and ensure the heater mat aligns to them as closely as possible.

    GFD434051Courtesy of FORD MOTOR COMPANY
  19. Turn the LH rear section of the heater mat over to the other side to expose the adhesive paper overlay.
    GFD434052Courtesy of FORD MOTOR COMPANY
  20. Remove the heater mat adhesive paper overlay.
    GFD434053Courtesy of FORD MOTOR COMPANY
    1. NOTE: Make sure the heater mat bottoms out in the trench but do not compress the foam. Light pressure is all that is needed.

      If required, hold the heater mat in position and tucked in the trench.

    2. Position the LH rear section of the heater mat back over and adhere the heater mat to the foam making sure it's aligned to the foam as in the previous step.
    GFD434054Courtesy of FORD MOTOR COMPANY
  22. Turn the RH rear section of the heater mat over to the other side to expose the adhesive paper overlay.
    GFD434055Courtesy of FORD MOTOR COMPANY
  23. Remove the heater mat adhesive paper overlay.
    GFD434056Courtesy of FORD MOTOR COMPANY
    1. NOTE: Make sure the heater mat bottoms out in the trench but do not compress the foam. Light pressure is all that is needed.

      If required, hold the heater mat in position and tucked in the trench.

    2. Position the RH rear section of the heater mat back over and adhere the heater mat to the foam making sure it's aligned to the foam as in the previous step.
    GFD434057Courtesy of FORD MOTOR COMPANY
  25. NOTE: Make sure the heater mat bottoms out in the trench but do not compress the foam. Light pressure is all that is needed.

    If required, tuck the heater mat into the front trench.

    GFD434058Courtesy of FORD MOTOR COMPANY
  26. Install the seat cushion or backrest cover. Refer to the appropriate procedure in this or one of the other Seating System articles.
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