Cushion Thigh Installation (Back Cushion Similar)
Seville/Eldorado1. 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.
5. Use scissors to remove approximately 19 mm (3/4 in) of material (a) from around the cushion thigh heat element (3). (Back Cushion Upper heat element similar.)
6. Check for proper fit.
6.1. With the harness side to the factory element, insert the harness through the small opening and place the service element between the leather trim cover and the existing factory heat element.
6.2. Ensure the element is laying flat is tucked into each corner and extends to each side.
6.3. It may be necessary to remove additional material.
7. On the harness side, place two 20 cm (8 in) vertical strips of double sided tape (4) such as 3M(R) Scotch Adhesive Transfer Tape, P/N 06494, or equivalent, onto the modified service heat element. DO NOT REMOVE the backing paper at this time.
Important:
To ensure customer comfort and satisfaction, it is important the service heat element extends to each side and lays flat.
8. Install the modified service heat element.
8.1. With the harness side to the factory element, insert the modified service element between the leather trim cover and the existing factory heat element.
8.2. Ensure the service element is laying flat, is tucked into each corner and extends to each side.
8.3.Remove the backing paper from the adhesive tape.
8.4. Place the two heat elements between your hands and apply pressure.
8.5. Use 3M(R) Highland Cloth Duct Tape, P/N 06969, or equivalent, to cover the opening.
9. Install the seat trim cover. Refer to the appropriate seat trim cover installation procedure in the Seats sub-section of the Service Manual.
10. Attach the seat back assembly to the seat cushion assembly.
^ Install the hinge bolts.
^ Install the roll pins that retain the reclining actuator to the seat back hinge.
^ Connect the electrical connectors between the seat back and the seat cushion.
11. Place the seat assembly inside the vehicle and connect the electrical connectors. DO NOT install at this time.
12. Verify the seat heat function is operational.
13. Complete the seat assembly installation. Refer to Seat Replacement in the Seats sub-section of the appropriate Service Manual for the installation procedure.