DeVille V8-4.6L VIN Y (1998)
Seat Heater: All Technical Service Bulletins
Cushion Thigh Installation (Back Cushion Similar)
Seville/Eldorado
1.
Separate the seat back assembly from the seat cushion assembly.
^
Disconnect the electrical connectors between the seat back and the seat cushion.
^
Remove the roll pins retaining the reclining actuator to the seat back hinge.
^
Remove the hinge bolts.
2.
Remove the seat trim cover with the non-functioning heat element. Refer to the appropriate seat trim cover removal procedure in the Seats
sub-section of the Service Manual.
3.
Use a pair of diagonal side cutters to cut the cushion thigh factory heat element harness wires (1) as close to the material as possible.
Important:
DO NOT start the cut with a jab or poke.
4.
Create an opening (2) between the non-functioning cushion thigh factory heat element and the seat trim cover.
4.1.
As close as possible to the seam, use a razor blade or an equivalent sharp tool and carefully slice through the factory heat element until a
hole is created.
4.2.
Insert your finger(s) through the hole and lift the heat element material away from the trim cover material.
4.3.
Use scissors and/or a razor blade to cut the heat element material along the entire length of the seam (2) from corner to corner.
4.4.
Create a small opening (3) in the corner of the existing cushion thigh factory heat element.
Important:
DO NOT cut through the embedded wiring of the service heat element.
