'98 - '00 LS 400 Repair Procedure

1. Turn the seat cover inside out.

2. Remove the seat heater





Remove the 2 seat wires from the seat cushion cover and the seatback cover. (Figure 9.)

A. Seat cushion cover:
Cut the 12 tack pins that are fastened to the front seat heater, then remove the front seat heater.

B. Seatback cover;
Cut the 7 tack pins that are fastened to the seat heater, then remove the front seat heater.

3. Seat cushion cover:

Install the new seat heater.





Install a new front seat heater as shown in Figure 10.

A. Set the seat heater, marked side (part number) to the seat cushion cover.

B. For part A, position the front seat heater by aligning the V-slits of the front seat heater with the fold line of the listing pocket.

C. For part B, position the front seat heater by aligning the V-slits of the front seat heater with the tape of the front seat cushion cover.

D. For part C, position the front seat heater by aligning the v-slits of the front seat heater with the V-slit of the seat cushion cover.

E. Using a tacker, attach tack pins to the front seat heater as shown in the illustration.

NOTICE:
^ Do not substitute other metal parts for tack pins.
^ Insufficient distance between the heater and cover may result in damage to the heater.

HINT:
^ Attach tack pins on the seam side so that the wire can be passed through the hole from the fold side.

^ Sewing thread can be substituted for tack pins. However, allow a distance of 6-7 mm (0.24-0.28 in.) between both sewn parts of the heater and cover

4. Seatback cover:





Install a new front seat heater as shown in Figure 11.

A. Set the seat heater, marked side (part number) to the seat cushion cover.

B. For part A, position the front seat heater by aligning the V-slits of the front seat heater with the fold line of the listing pocket.

C. For part B, position the front seat heater by aligning the V-slits of the front seat heater with the tape of the front seat cushion cover.

D. For part C, position the front seat heater by aligning the v-slits of the front seat heater with the V-slit of the seat cushion cover.

E. Using a tacker, attach tack pins to the front seat heater as shown in the illustration.

NOTICE:
^ Do not substitute other metal parts for tack pins.

^ Insufficient distance between the heater and cover may result in damage to the heater.

HINT:
^ Attach tack pins on the seam side so that the wire can be passed through the hole from the fold side.

^ Sewing thread can be substituted for tack pins. However, allow a distance of 6-7 mm (0.24-0.28 in.) between both sewn parts of the heater and cover.





F. Install the 2 seat wires to the front seat cushion cover and front seatback cover, as shown in Figure 12.





Hint:
Pass the wire over the seat heater as shown in Figure 13.

5. Reverse the seat cover back to its original position.