NHTSA ID Number: 11005377
Manufacturer Communication Number: 24-NA-055
TSB/Document Date: 2024-08-01
Summary
This technical bulletin provides repair information to correct a customer concern of Removable Sky Panel Creak Pop Snap Noise Hot Interior Temps.
Bulletin No.: 24-NA-055
Service Bulletin
Date: July, 2024
TECHNICAL
Subject:
Brand:
Removable Sky Panel Creak Pop Snap Noise, Hot Interior Temps
Model:
Model Year:
from
to
2023
2024
2024
2024
Involved Region or Country
VIN:
from
Engine:
to
North America
Additional Options (RPOs)
Condition
Some customers may comment on a noise coming from the removable sky panels when
driving on bumpy or rough roads. The noise is usually described as a rattle, click, or snap
noise that can be worse when the interior is hot due to high sun loads and high ambient
temperatures.
Cause
The cause of the condition may be due to excessive clearance between the center roof
lift off panel insert housing and the center roof lift off panel.
Correction
Install washers underneath the I-Bar pocket receivers.
Service Procedure
Important: Service agents must comply with all
International
, Federal, State, Provincial, and/or
Local laws applicable to the activities it performs
under this bulletin, including but not limited to
handling, deploying, preparing, classifying,
packaging, marking, labeling, and shipping
dangerous goods. In the event of a conflict
between the procedures set forth in this bulletin
and the laws that apply to your dealership, you
must follow those applicable laws.
Copyright 2024 General Motors. All Rights Reserved.
Important: This technical service bulletin (TSB) can
only be completed by certified repair facilities who have
met all specific training, tool and equipment requirements pertaining to the vehicle Brand and Model
serviced. Repairs must be performed by a technician
who has successfully completed the required training.
Begin by removing all 4 sky panels, set aside in a safe
location.
Front I-Bar Washer Installation
Page 2
July, 2024
Bulletin No.: 24-NA-055
5832341
1. Remove the four nuts (1) from the Front I-Bar.
Bulletin No.: 24-NA-055
July, 2024
Page 3
5832364
2. Remove the Front I-Bar (1).
Note: Be careful not to damage the weather—strip
cover around the panel when removing the panel.
3. Place the I-Bar on a protected secure table with
the interior side facing up.
4. Remove the two trim panel push-pin retainers and
remove the I-Bar panel cover.
Page 4
July, 2024
Bulletin No.: 24-NA-055
6425255
Bulletin No.: 24-NA-055
July, 2024
Page 5
6425256
5. Unscrew the I-Bar pocket receivers from the I-bar.
Page 6
July, 2024
Bulletin No.: 24-NA-055
6425388
6. Place a washer at each of the four bolt holes
underneath the pocket receivers.
7. Reinstall the pocket receivers, torque to 9 nm.
8. Reattach the trim cover and push-pin fasteners.
Reinstall the front I-Bar in the correct orientation.
Bulletin No.: 24-NA-055
July, 2024
6425390
The Center Roof Lift Off Panel is labelled Front,
ensure it’s properly aligned when reattaching.
Important: Ensure the weather-strip is secured and
properly sealed.
Page 7
6425393
Page 8
July, 2024
Bulletin No.: 24-NA-055
• Example of an unseated weather-strip. If the
weather-strip is left unseated, it can cause water
leaks into the vehicle.
6425394
Bulletin No.: 24-NA-055
July, 2024
Page 9
1
6425395
Page 10
July, 2024
Bulletin No.: 24-NA-055
6425397
• Example of the proper weather-strip seal.
9. Use soapy water to clean the weather strips and
then apply a very light application of AC Delco
Super Lube to the weather strips.
10. Reattach the front sky panels.
Rear I-Bar Inspection
Before proceeding, inspect the rear I-Bar for proper
orientation on MY2024 vehicles ONLY.
6693889
FRONT should point towards the front of the vehicle. If
the rear I-Bar is reversed, follow SI DOC ID 5835570 to
remove and re-install the rear I-Bar.
Rear I-Bar Washer Installation
Bulletin No.: 24-NA-055
July, 2024
Note: The rear I-Bar does not need to be removed for
this portion of the repair.
Page 11
1. Remove the rear I-Bar trim panel by pulling down
on the panel to disengage the retainers.
6430469
6430466
2. Remove both I-Bar pocket receivers.
Page 12
July, 2024
Bulletin No.: 24-NA-055
3. Place a washer at each of the four bolt holes
underneath the pocket receivers.
4. Reinstall the receivers to the I-Bar, torque to 9nm.
5. Reattach the rear I-Bar trim cover.
6. Use soapy water to clean the weather strips and
then apply a very light application of AC Delco
Super Lube to the weather strips.
Reinstall the rear sky panels.
Parts Information
Causal
Part
Description
Part Number
Qty
X
11562459
8
X
Super Lube
12346241
(U.S.)
10953474
(Canada)
1
Warranty Information
For vehicles repaired under the Bumper-to-Bumper
coverage (Canada Base Warranty coverage), use the
following labor operation. Reference the Applicable
Warranties section of Investigate Vehicle History (IVH)
for coverage information.
6425404
Labor Operation
Description
Labor Time
*6086088
Adding Eight Washers to Front and Rear Center Roof Lift Off
Panel
0.3 hr
*This is a unique Labor Operation for Bulletin use only.
Version
3
Modified
Released March 18, 2024
Revised March 27, 2024 – Revised Labor Operation
Revised July 19, 2024 – Added Rear I-Bar Inspection and photo.
GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these
technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper
service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job
properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your
vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the
information.
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TSB/Document ID: 24-NA-055
Replacement Service Bulletin Number:
MFR Communication Date: 2024-07-20
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: STRUCTURE:BODY
MFR Component System:
MFR Component Subsystem:
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