Classification:

Reference:

Date:

BT19-008

ITB19-035

November 5, 2019

2019 QX50; RATTLE NOISE FROM REAR OF FRONT MOONROOF PANEL
APPLIED VEHICLES:
2019 QX50 (J55)
APPLIED VIN AND DATE: Built before 3PCAJ5M1(*)KF 137203 / April 5, 2019

IF YOU CONFIRM
While driving at approximately 10 MPH, a rattle is present from either the right or left rear corner of the front
moonroof glass panel,
And
Occurs only while the moonroof is in the closed position,
And
The moonroof buffers have been confirmed as being the old style (see Figure 2 and Figure 3 on
pages 2 and 3, respectively).

ACTION
Replace both moonroof glass panel buffers with those from the Parts Information section of this bulletin on
page 5.

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
1.

Open the moonroof using the tilt mode and
position it so that the leading edge (closest the
front of the vehicle) has approximately 1/2”
gap.
IMPORTANT: If the moonroof is moved further
than 1/2”, the buffers cannot be removed.

2.

Front of
vehicle

Locate the front moonroof glass panel buffers
(moonroof buffers). See Figure 2 and Figure 3.


One (1) moonroof buffer is located at the
right rear corner and one (1) moonroof
buffer is located at the left rear corner of
the front moonroof glass panel.

Figure 1

Front of
vehicle

Right rear moonroof buffer.
Viewed from right side

Location of
moonroof buffers

Rear moonroof
glass panel
Front moonroof
glass panel
Front of
vehicle

Figure 2

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ITB19-035

3.

Inspect each moonroof buffer for a white shim
(old style).

Right rear moonroof buffer viewed
from right side

 Do they have white shims (see Figure 3)?
o YES: Proceed to step 4.
o NO: This bulletin does not apply.
Refer to the Electronic Service Manual
for further diagnostic information.
HINT:


The moonroof buffer shims (shim) can be
seen from either side of the moonroof
buffer.



The old style moonroof buffer will also
have a slot in the top and will appear
asymmetric.

White shim

Figure 3

Slot in top

White shim

New style moonroof buffer

Old style moonroof buffer

Figure 4

Figure 5

4.

With the moonroof still in the tilt (open) position, turn the ignition OFF.

5.

Remove the front moonroof glass panel from the vehicle.
To avoid damage to the vehicle, do NOT move the moonroof tracks with the glass panel
removed. Movement of the moonroof tracks will cause the tracks to become misaligned.


Refer to the Electronic Service Manual (ESM) for the procedure to remove the front moonroof glass
panel: BODY EXTERIOR, DOORS, ROOF & VEHICLE SECURITY > ROOF > REMOVAL AND
INSTALLATION > GLASS LID.

HINT: The glass panel is held in place by six (6) T25 Torx attachment screws.

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ITB19-035

IMPORTANT: Before removing the old style moonroof buffers, note their orientation. The
new moonroof buffers will be inserted in the same positions and locations. This will help
you understand the following steps.
6.

Slide the moonroof buffers sideways toward the center of the vehicle, one at a time (see Figure 6 and
Figure 7) to remove them.


The right side is shown, the left side is similar.

NOTE: If additional leverage is needed, a plastic trim tool can be gently used.
Right rear
moonroof buffer
viewed from rear

Front of
vehicle

Slide moonroof
buffer off of tab

Right rear
moonroof buffer
removed from tab

Figure 6
7.

Figure 7

Install the new style moonroof buffers onto each tab, one at a time.
a. Face the flat side of each moonroof buffer toward the outside of the vehicle.
NOTE: The right side is shown. The left side will face the opposite direction.
b. Align so that the moonroof buffer is directly over the tab, and then press straight down until fully
seated.
c. After seating the buffer, slide it towards the outside of the vehicle until it contacts the moonroof
frame.
d. Confirm that the flat side of each moonroof buffer is fully seated against the moonroof frame.
Front of
vehicle
Push straight down
Flat side of new style
moonroof buffer here
Right rear
moonroof
buffer tab

Front of
vehicle

New style
moonroof buffer.
Figure 9

Figure 8
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ITB19-035

8.

9.

Reassemble the moonroof glass in the opposite order of disassembly.


Refer to the ESM for the procedure to reinstall the front moonroof glass panel: BODY EXTERIOR,
DOORS, ROOF & VEHICLE SECURITY > ROOF > REMOVAL AND INSTALLATION > GLASS
LID.



Torque the six (6) Torx screws to 5 N•m (0.5 kg-m, 44.25 in-lb).

Water test the vehicle and confirm that there are no leaks.

PARTS INFORMATION
DESCRIPTION

PART NUMBER

QUANTITY

Moonroof Buffer

91365 - 5NA1A

2

CLAIMS INFORMATION
Submit a Primary Part (PP) type line claim using the following claims coding:

(1)

DESCRIPTION

PFP

OP CODE

SYM

DIA

FRT

Replace Moonroof Buffers

(1)

BX6WAA

ZL

32

0.4

Reference the Parts Information table above and use the Moonroof Buffer as the Primary Failed Part
(PFP).

AMENDMENT HISTORY
PUBLISHED DATE
November 5, 2019

REFERENCE
ITB19-035

DESCRIPTION
Original bulletin published

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ITB19-035