ITB17-059

Classification:
Reference:
Date:
BT17-024
ITB17-059
December 8, 2017
2015 – 2016 Q50 AND Q50 HYBRID; FRONT SEAT VIBRATION
APPLIED VEHICLES:
2015 – 2016 Q50 (V37)
2015 – 2016 Q50 Hybrid (V37)
IF YOU CONFIRM
There is a rattle or vibration in the front driver or passenger seat when driving.
ACTION
Replace the front seat rail nuts with the new ones listed in the PARTS INFORMATION section of this bulletin.
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.
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SERVICE PROCEDURE
NOTE: Some photos show the front seat removed for clarification purposes. The seat does NOT have to be
removed to perform the repairs outlined in this bulletin. Passenger side shown, driver side is similar.
1. Adjust the front seat to the most forward position.
NOTE: The seat must be in the forward most
position otherwise the screw shaft will rotate
when attempting to remove the nuts in the next
steps.
Figure 1
2. Raise the front seat to the highest position.
Figure 2
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ITB17-059
Inboard screw
shaft nut
3. Remove the nut on the screw shaft front
outboard position.
NOTE: Do NOT remove the washer installed
behind the nut on the outboard and inboard
positions. Refer to Figure 4.
4. Remove the nut on the screw shaft front inboard
position.
Outboard screw
shaft nut
Figure 3
NOTE: Do NOT remove the washer installed
behind the nut on the outboard and inboard
positions.
Washer
Figure 4
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New
5. Hand tighten the new M4 flanged nuts.
Old
NOTE: New M4 flanged nuts are listed in the
PARTS INFORMATION section of this bulletin.
Figure 5
6. Position the front seat to the rearmost position.
NOTE: During final torque process, the seat must
be in the rearmost position otherwise the screw
shaft will rotate when attempting to tighten the
nuts in the next step.
Figure 6
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ITB17-059
7. Torque the new M4 flanged nuts to
1.9 N·m, (19 kg-m, 16.8 in-lb).
IMPORTANT: To allow the thread locker on the new
nuts to cure, do not operate the seat slide for 15
minutes.
Figure 7
PARTS INFORMATION
DESCRIPTION
PART NUMBER
QUANTITY
M4 FLANGE NUT (Bag of 4 nuts)
68898 – 4HA0A
1 per side
CLAIMS INFORMATION
Submit a Primary Part (PP) type line claim using the following claims coding:
DESCRIPTION
PFP
OP CODE
SYM
DIA
FRT
Replace Seat Slide Adjusting Screw
VX4RAA
0.3
Nut-One Side
(1)
ZE
32
Replace Seat Slide Adjusting Screw
VX4RBA
0.5
Nuts-Both Sides
(1) Reference the electronic parts catalog (FAST), and use the Front Seat Frame as the Primary Failed Part
(PFP).
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ITB17-059