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Seat Track Motor: Installation

WARNING: This page is about a different car, the 2010 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
    NOTE: The memory seat position sensors are interchangeable.
  1. If equipped, position each of the 3 memory seat position sensors and rotate clockwise to install.
    2. Fig 1: Locating Sensors
    GF0018559Courtesy of FORD MOTOR CO.
    NOTE: This step is critical in aligning the inboard to the outboard seat track. Otherwise, when installing the seat in vehicle, the holes in the seat track mounting ears will not align to the holes in the floor pan and the seat track may prematurely fail due to binding.
  2. Position the new and old seat track motor assembly side by side. Position the new seat track motor assembly stub shaft flat spots (splines) in the same position as the old seat track motor assembly flat spots. If necessary, apply power and ground to the new seat track motor electrical connector as shown in illustration during removal to obtain the same position.
    3. Fig 2: Locating Seat Track Motor Assembly Stub Shaft
    GF0018560Courtesy of FORD MOTOR CO.
    NOTE: The front and rear height adjustment gears do not have to mesh with the seat track motor assembly gears at the same teeth as when disassembled.
  3. Install the seat track motor assembly to the upper support assembly.
      NOTE: Make sure the motor is positioned right side up.
    1. Install the seat track motor assembly pivots through the front and rear height adjustment gear brackets.
      • Apply multi-purpose grease to the motor pivots.
    2. Mesh the seat track motor assembly gears to the front and rear height adjustment gears.
      • There should not be a gap between the upper support assembly gears and the seat track motor assembly housing.
    4. Fig 3: Identifying Seat Track Motor Assembly Gear And Gear Bracket
    GF0018561Courtesy of FORD MOTOR CO.
    WARNING: The support straps must be correctly installed during assembly of the seat track. The support straps are load-bearing components during a crash event. Failure to follow this instruction may result in the failure of the seat to perform as designed and increases the risk of serious personal injury or death in a crash.
  4. Install the support straps.
    • The support straps must fit flush against the front and rear height adjustment gears.
    5. Fig 4: Locating Support Straps
    GF0018557Courtesy of FORD MOTOR CO.
  5. Check to make sure the index marks on the outboard track C-channel and plastic-coated slide are still in alignment.
    6. Fig 5: Locating Index Marks On Outboard Track C-Channel
    GF0018562Courtesy of FORD MOTOR CO.
    WARNING: The pinion cage must be correctly installed during assembly of the seat track. The pinion cage is a load-bearing component during a crash event. Failure to follow this instruction may result in the failure of the seat to function as designed and increases the risk of serious personal injury or death in a crash.
  6. Position the pinion cage onto the outboard track.
    7. Fig 6: Identifying Pinion Cage Position Onto Outboard Track
    GF0018563Courtesy of FORD MOTOR CO.
  7. Install the outboard track.
    1. Position the track studs through the seat track motor assembly.
    2. While sliding the track studs through the seat track motor assembly, position the pinion cage opening around the seat track motor assembly gear.
    3. Fit the support straps and seat track motor assembly gear bushing alignment pins into the track openings.
    8. Fig 7: Identifying Pinion Cage, Seat Track Motor Assembly Studs And Gear Bushing Alignment Pins
    GF0018564Courtesy of FORD MOTOR CO.
  8. When assembled, make sure the outboard track, support straps, front and rear height adjustment gears and seat track motor assembly all fit flush against each other.
    • Make sure the support straps and seat track motor assembly gear bushing alignment pins fit into the track openings.
    9. Fig 8: Identifying Support Straps And Seat Track Motor Assembly Gear Bushing Alignment Pins
    GF0018565Courtesy of FORD MOTOR CO.
    NOTE: Do not overtighten or damage will occur.
  9. Install the 2 seat track motor assembly-to-seat track bolts.
    • Tighten to 12 Nm (106 lb-in).
    10. Fig 9: Locating Seat Track Motor Assembly-To-Seat Track Bolts
    GF0018555Courtesy of FORD MOTOR CO.
  10. Install the bracket (if equipped) and 2 seat track motor assembly-to-seat track nuts.
    • Tighten to 14 Nm (124 lb-in).
    11. Fig 10: Locating Seat Track Motor Assembly-To-Seat Track Nuts And Bracket
    GF0018553Courtesy of FORD MOTOR CO.
  11. Install the outboard retainer clip.
    12. Fig 11: Locating Outboard Retainer Clip
    GF0018554Courtesy of FORD MOTOR CO.
  12. Check to make sure the index marks on the outboard track C-channel and plastic-coated slide are still in alignment.
    • The index marks on the outboard track C-channel and plastic-coated slide must align at this step. If the index marks do not match up, repeat Steps 1 through 11.
    13. Fig 12: Locating Index Marks On Outboard Track C-Channel
    GF0018548Courtesy of FORD MOTOR CO.
  13. Remove the bolt and slide the seat position sensor magnet assembly to disengage and remove.
    14. Fig 13: Removing Bolt And Slide Magnet Assembly
    GF0018566Courtesy of FORD MOTOR CO.
  14. Check to make sure the index marks on the inboard track C-channel and plastic-coated slide are still in alignment.
    15. Fig 14: Locating Index Marks On Inboard Track C-Channel
    GF0018567Courtesy of FORD MOTOR CO.
    NOTE: When assembled, a small gap between one of the gears and the drive tube may exist.
  15. Assemble the seat track motor assembly, upper support assembly and inboard track together.
    1. Align the drive tube to the motor stub shaft. Tap the nose of the inboard track gear toward the seat track motor stub shaft.
      • Positioning a block of metal or wood behind the motor gear can aid assembly.
    2. While tapping the parts together, simultaneously engage the front and rear lift links to the inboard track.
      • When the lift links are up against the inboard track, with the bushings through the hole and seated, the drive tube is fully engaged.
    16. Fig 15: Aligning Drive Tube To Motor Stub Shaft
    GF0018568Courtesy of FORD MOTOR CO.
  16. Install the 2 inboard seat track-to-upper support assembly lift link nuts.
    • Tighten to 27 Nm (20 lb-ft).
    17. Fig 16: Locating Inboard Seat Track-To-Upper Support Assembly Lift Link Nuts
    GF0018551Courtesy of FORD MOTOR CO.
  17. Check to make sure the index marks on the inboard track C-channel and plastic-coated slide are still in alignment.
    • The index marks on the inboard track C-channel and plastic-coated slide must align at this step. If the index marks do not match up, repeat Steps 13 through 16.
    18. Fig 17: Locating Index Mark On Inboard Track C-Channel
    GF0018549Courtesy of FORD MOTOR CO.
  18. Position the seat position sensor magnet assembly onto the pivot, slide it back and install the bolt.
    • Tighten to 9 Nm (80 lb-in).
    19. Fig 18: Sliding SRS Seat Position Sensor Magnet Assembly Onto Pivot
    GF0018569Courtesy of FORD MOTOR CO.
  19. Position the seat track in the vehicle.
    • The left and right front mounting feet holes should align with the floor pan mounting holes, without pushing or pulling the seat track to force alignment. Check the witness marks (indentations) in the carpet. The tracks should line up closely with them.
    • If the seat track does not align to the vehicle, check to make sure the index marks on the inboard and outboard track rails and guides are still in alignment. Repeat the necessary steps until the index marks align.
    20. Fig 19: Locating Left And Right Front Mounting Feet Holes
    GF0018570Courtesy of FORD MOTOR CO.
  20. If equipped with memory seats, install the nuts and connect the memory seat components.
    1. Route the wire harness, position the bracket with DSM onto the studs and install the 2 nuts and bolt.
    2. Attach the seat motor electrical connector and wire harness stress relief retainer to the clips.
      • Connect the seat motor electrical connector.
    3. Connect the 3 memory seat position sensors as noted during removal.
    21. Fig 20: Identifying Memory Seat Position Sensors, Seat Motor Electrical Connector And Clips
    GF0018571Courtesy of FORD MOTOR CO.
  21. Install the seat track. For additional information, refer to Seat Track .
  22. Install the seat. For additional information, refer to Seat - Front .
  23. If equipped with memory seats, cycle the driver seat in its full range of travel in all directions.
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