ITB21-008
Service Bulletin Details
Public Details for: ITB21-008
2019-2020 qx50; driver seat will not move forward if you confirm after the driver side seat has been moved all the way to the maximum rearward position, it will not move forward. Action replace the driver side seat lifter/slide assem
Models from 2020
2020 INFINITI QX50 |
Models from 2019
2019 INFINITI QX50 |
Classification: Reference: Date: EL20-046 ITB21-008 April 9, 2021 2019-2020 QX50; DRIVER SEAT WILL NOT MOVE FORWARD APPLIED VEHICLES: 2019-2020 QX50 (J55) IF YOU CONFIRM After the driver side seat has been moved all the way to the maximum rearward position, it will not move forward. Figure 1 ACTION Replace the driver side seat lifter/slide assembly. IMPORTANT: The purpose of ACTION (above) is to give you a quick idea of the work you will be performing. You MUST closely follow the entire SERVICE PROCEDURE as it contains information that is essential to successfully completing this repair. Infiniti Bulletins are intended for use by qualified technicians, not 'do-it-yourselfers'. Qualified technicians are properly trained individuals who have the equipment, tools, safety instruction, and know-how to do a job properly and safely. NOTE: If you believe that a described condition may apply to a particular vehicle, DO NOT assume that it does. See your Infiniti retailer to determine if this applies to your vehicle. 1/14 SERVICE PROCEDURE 1. Remove the driver side seat from the vehicle. 2. Refer to the Electronic Service Manual (ESM): Section BODY INTERIOR > SEAT > REMOVAL AND INSTALLATION > FRONT SEAT. Place the driver side seat onto a clean work surface. Skip to step 5 on page 3 for vehicles with climate control seats. NOTE: Orient the driver seat in the best position to perform the following steps. Vehicles without Climate Control Seats 3. Completely unclip the wiring harnesses from the seat frame cross brace and cross brace bracket, shown in Figure 2. 4. Disconnect the wiring harness from the lifter motor and the slide motor, and then skip to step 17 on page 9. Wiring harnesses Seat frame cross brace Seat frame cross brace bracket Slide motor Figure 2 2/14 Lifter motor ITB21-008 Vehicles with Climate Control Seats 5. Disconnect the two straps retaining the seatback flap, and fold the flap out of the way. Seatback flap Straps Figure 3 3/14 ITB21-008 6. Remove 2 screws and then unhook the seat cushion rear finisher by moving it in the direction indicated in Figure 4, and then move the seat cushion rear finisher out of the way. Leave the seat cushion rear finisher connected to the wiring harness. Location of hooks Seat cushion rear finisher Figure 4 4/14 ITB21-008 7. Completely unclip the wiring harnesses from the seat frame cross brace and cross brace bracket, shown in Figure 5. 8. Remove the 2 screws, circled in Figure 5, that retain the “driver seat control unit” to the seat frame cross brace. 9. Leave the driver seat control unit connected to the wiring harness. Disconnect the wiring harness from the lifter motor and the slide motor, and then fold the harness back out of the way. Wiring harnesses Seat frame cross brace Driver seat control unit. Held by two screws Seat frame cross brace bracket Lifter motor Slide motor Figure 5 5/14 ITB21-008 10. Disconnect the wiring harness connector from the climate control seat unit. 11. Detach the output duct of the climate control seat unit. 12. Remove the 5 screws circled in Figure 6, and then remove the climate control seat unit from the seat frame. 13. Unclip any remaining harnesses shown in Figure 6 (below) and Figure 7 on page 7. Output duct Wiring harnesses Climate control seat unit Wiring harnesses Climate control seat unit wiring harness connector Figure 6 6/14 ITB21-008 14. Detach the seat back finisher flap from the seat frame and fold it back out of the way. Wiring harnesses Seat back finisher flap Wiring harness Detach seat back finisher flap here Figure 7 7/14 ITB21-008 15. Remove the output duct shown in Figure 8. 16. Unclip the “climate control seat unit mounting plate” (mounting plate) as follows: a. Gently push the 2 latch clips, one at a time, toward the seat cushion to release them from the seat cushion springs. b. Slide the mounting plate in the direction indicated in Figure 8. c. When the 2 latch clips have cleared the seat cushion springs they were clipped to, lift the mounting plate away from the seat assembly. Mounting plate Seat cushion spring Latch clips Output duct Figure 8 8/14 ITB21-008 17. Remove the seat cushion from the seat frame. Refer to the ESM: Section BODY INTERIOR > SEAT > UNIT DISASSEMBLY AND ASSEMBLY > FRONT SEAT. NOTE: Disconnect the seat switches from the wiring harness, and remove the seat switches and the switch finisher as an assembly. Seatback recliner motor 18. Disconnect the wiring harness from the seatback recliner motor. Wiring harness Figure 9 19. 20. Wiring harness clips Detach 2 seatbelt buckle wiring harness clips from the seat frame. Seatbelt buckle nut Remove the seatbelt buckle from the seat frame. Attached by 1 nut. Figure 10 9/14 ITB21-008 21. Confirm that the white plastic clip shown in Figure 11 is attached to the seat switch finisher. If still attached to the seat frame, remove it and relocate it back to the seat switch finisher. White plastic clip Front of vehicle Shown looking from bottom up Figure 11 Seat cushion outer finisher (RH) 22. Confirm that the white plastic clip shown in Figure 12 is attached to the seat cushion outer finisher (RH). If still attached to the seat frame, remove it and relocate it back to the seat cushion outer finisher (RH). Figure 12 10/14 ITB21-008 23. Remove the 4 Torx® bolts that attach the seat lifter/slide assembly to the seatback frame, shown circled in Figure 13 and Figure 14. Figure 13 and Figure 14 are shown with the seat sitting upright. Insert the tool completely into the head of the Torx® bolts when removing. If the tool is not completely inserted, the Torx® bolts may be damaged. Seatback frame C A D B Seat lifter/slide assembly Figure 13 24. Lift the seat back assembly away from the seat lifter/slide assembly and transfer it to the new seat lifter/slide assembly. 25. Figure 14 See the PARTS INFORMATION on page 14. Apply blue thread-locker to all four (4) Torx® bolts removed in step 23, and then install them finger tight in the following order (see Figure 13 and Figure 14): A, B, C, D NOTE: If one or more Torx® bolts have been damaged, they can be ordered as needed. 26. Torque all four Torx® bolts to 35 N•m (3.57 kg-m, 25.8 ft-lbs) in the same “A-B-C-D” order. 27. Apply blue thread-locker to the seatbelt buckle nut and attach the seatbelt buckle to the seat frame. 28. Wiring harness clips Seatbelt buckle nut Torque to 49 N•m (5 kg-m, 36 ft-lbs) Attach 2 seatbelt buckle wiring harness clips to the seat frame. Figure 15 11/14 ITB21-008 Seatback recliner motor 29. Connect the wiring harness to the seatback recliner motor. Wiring harness Figure 16 30. Remove the felt tape from the 2 metal clips on the switch finisher, and apply new felt tape (see Figure 11 on page 10 for locations). See PARTS INFORMATION on page 14. Felt tape on metal clip Figure 17 31. Install the seat cushion onto the seat frame. Refer to the ESM: Section BODY INTERIOR > SEAT > UNIT DISASSEMBLY AND ASSEMBLY > FRONT SEAT. 32. Connect the wiring harness to the lifter motor and the slide motor. 33. Reassemble the remaining seat components in the reverse order of disassembly. 12/14 ITB21-008 34. Install the seat into the vehicle. Refer to the ESM: Section BODY INTERIOR > SEAT > REMOVAL AND INSTALLATION > FRONT SEAT. NOTE: When installing the front seat (LH), tighten the bolts to specification in the order shown. Front seat (LH) bolt torque: 49 Nm (5.0 kg-m, 36 ft-lb) Figure 18 13/14 ITB21-008 PARTS INFORMATION (1) (2) (3) (4) (5) DESCRIPTION FRAME ASSY - CUSHION, FRONT SEAT LH (Seat lifter/slide assembly) BOLT-SPL (Torx® Bolts) PART NUMBER QUANTITY 87152-XXXXX (1) 1 86899-4BA3A (2) Blue Thread-locker (3) (4) Felt Tape (5) J-50397-4 (4) Look up part number by VIN in Electronic Parts Catalog (EPC). As needed, if damaged during removal. This item can be sourced locally from most auto parts outlets. Shop supply. Sourced from Squeak and Rattle Kit. CLAIMS INFORMATION Submit a Primary Part (PP) type line claim using the following claims coding: (1) (2) DESCRIPTION PFP OP CODE SYM DIA FRT Replace Left Seat Cushion Frame Assembly (1) VH32AA ZE 32 (2) Reference the electronic parts catalog and use the Seat Cushion Frame Assy (87152-*****) as the Primary Failed Part (PFP). Reference the current Infiniti Warranty Flat Rate Manual and use the indicated Flat Rate Time (FRT). AMENDMENT HISTORY PUBLISHED DATE REFERENCE April 9, 2021 ITB21-008 DESCRIPTION Original bulletin published 14/14 ITB21-008