B21-003 Service Bulletin/Repair Instructions

Service Bulletin
21-003
January 06, 2021
Version 1
Rattling or Clicking from the Panoramic Glass Roof

AFFECTED VEHICLES

Year
Model
Trim Level
VIN Range
2019
RDX
AWD
5J8TC2***KL000001 to 5J8TC2***KL043969
2019
RDX
2WD
5J8TC1***KL000001 to 5J8TC1***KL025375
SYMPTOM

While driving over rough roads or bumps, you hear a rattling or clicking from the panoramic glass roof.

POSSIBLE CAUSE

There is not enough clearance between the rear panoramic glass roof mechanism arm and the plastic curve on slider.
CORRECTIVE ACTION

Increase the clearance between the curve on slider and the mechanism arm by bending the arm. If this does not fix the

issue, replace the panoramic glass roof frame.
CLIENT INFORMATION: The information in this bulletin is intended for use only by skilled technicians who have the proper tools, equipment, and

training to correctly and safely maintain your vehicle. These procedures should not be attempted by “do-it-yourselfers,” and you should not assume this

bulletin applies to your vehicle, or that your vehicle has the condition described. To determine whether this information applies, contact an authorized

Acura automobile dealer.
© 2021 American Honda Motor Co., Inc. – All Rights Reserved
Page 1 of 13
PARTS INFORMATION

For Repair Procedure A

Part Name
Part Number
Quantity
Bolt (Glass)
70229-TJB-A01
12
Part Name
Part Number
Quantity
Frame Assy, Sunroof
70100-TJB-A02
1
A-Pillar Trim Clip
91561-T8N-T01
2
Quarter Pillar Trim Clip
91561-TA5-A11
2
Bolt (Glass)
70229-TJB-A01
12
For Repair Procedure B
WARRANTY CLAIM INFORMATION

Operation

Number
Description
Flat Rate

Time
Defect

Code
Symptom

Code
Template

ID
Failed Part Number
8143A2
Adjust the panoramic

glass mechanism arm

(right or left).
1.2 hr
03214
03217
B21003A
70100-TJB-A02
8143A3
Adjust the panoramic

glass mechanism arm

(both sides).
1.3 hr
03214
03217
B21003B
70100-TJB-A02
8143A4
Adjust the panoramic

glass mechanism arm.

Replace the

panoramic glass roof

frame.
4.4 hr
03214
03217
B21003C
70100-TJB-A02
Skill Level: Repair Technician
Page 2 of 13
INSPECTION PROCEDURE

1. Drive the vehicle with the panoramic front glass closed. Check if the rattling or clicking is coming from the back corners

of the front glass.
•
If the noise is coming from this area, go to REPAIR PROCEDURE A.
•
If the noise is not coming from this area, this bulletin does not apply. Continue with normal system

troubleshooting.
REPAIR PROCEDURE A

1. Remove the front glass. See the service information.

NOTE

You will need to slightly open the glass to access the bolts.

2. Once the glass is removed, press the panoramic glass roof switch to the closed position.

3. Locate the mechanism arm, as shown below, on the side where you heard the noise. Then, lightly wiggle the rear

portion of that arm enough so it contacts the curve on slider. Do this on both sides of the panoramic glass roof.
•
If you hear a clicking from that area, go to step 4.
•
If you do not hear a clicking from that area, continue with normal system troubleshooting
Page 3 of 13
4. Move the panoramic roof switch to the full tilt position, and check the gap between the curve on slider and the

mechanism bracket. Record the gap as a starting point.
5. Use flat nose pliers to grip the mechanism arm and the metal lip of the panoramic roof frame. Use a screwdriver to peel

back the seal on the panoramic roof.
NOTES

•
Apply tape to the contact surface of the pliers as shown. This will prevent scratching of the panoramic roof frame.
Page 4 of 13
•
Use the radius in the mechanism arm as a reference point. Grip the mechanism arm and the panoramic roof frame

lip right where the bend in the mechanism arm ends.
6. After properly inserting the pliers, squeeze them to bend the arm away from the center of the vehicle. Make sure the

gap measured in step 4 is increased by 1 to 2 mm.
7. Measure the gap again as shown in step 6 to verify the change in the gap.

8. Install the panoramic glass using the original bolts, and test-drive the vehicle with the panoramic roof closed. Make sure

the rattling or clicking is gone.

•
If the noise is gone, the procedure is complete. Replace the original panoramic roof glass bolts with the new bolts.
•
If you still hear the noise, go to REPAIR PROCEDURE B – REPLACE PANORAMIC GLASS ROOF for replacement

of the panoramic roof frame.
Page 5 of 13
REPAIR PROCEDURE B – REPLACE PANORAMIC GLASS ROOF

The following procedures have been used in full or in part within this service bulletin. For more detail on them, and

torque specifications for some components, refer to the exploded views in the service information.

Step
Component
1
Sunvisors
2
Front Individual Map Light /Roof

Module
Exploded View Location
Service Manual Letter

Reference

C

A,B
Headliner Area
3
Sunvisor Holders
4
Grab Handles
F
5
Rear Roof Trim
I
(Image #1)
E
Page 6 of 13
Step
Component
6
Camera Cover
Exploded View Location
Service Manual Letter

Reference
Windshield Area
B,C
Page 7 of 13
Service Manual Letter

Reference
Step
Component
7
Cargo Floor Lid
8
Tie Down Hooks
Interior Trim Area
M
9
Right and Left Load Floor Strip
(Image #2)
N
10
Rear Trim Panel
Exploded View Location
O
R
Page 8 of 13
Service Manual Letter

Reference
Step
Component
11
Front Door Opening Seal (as

needed)
C
12
Rear Door Opening Seal (as

needed)
H
13
A-Pillar Trim
A
14
Rear Door Sill Trim
Exploded View Location
Interior Trim Area
G
(Image #1)

15
B-Pillar Upper Trim

NOTE
J
Do not remove the trim from the

seat belt.

16
B-Pillar Lower Trim
F
NOTE

Do steps 11 thru 16 for both sides.
Page 9 of 13
Exploded View Location
Service Manual Letter

Reference
Rear Side Trim Panels
Interior Trim Area
U
Quarter Pillar Trims
(Image #2)
W
Step
Component
17

18
NOTE

Do steps 17 and 18 for both sides.
Page 10 of 13
Step
Component
19
Rear Side Trim Panel Bracket
Exploded View Location
Service Manual Letter

Reference
Interior Trim Area
Not Available
Page 11 of 13
Step
Component
20
Headliner
Exploded View Location

Headliner Area

(Image #1)
Service Manual Letter

Reference

J
NOTE

To remove the headliner from the vehicle without damage, the right rear damper gusset must be removed. To do this,

roll the vehicle onto a lift or jack up the right rear of the vehicle and place it on safety stands. Refer to the service

information for more information.
Page 12 of 13
Step
Component
21
Panoramic Glass Roof Frame
Exploded View Location
Service Manual Letter

Reference
Panoramic Glass Roof Area
E
•
Transfer the wind deflector, panoramic glass roof motors, sunshade, front and rear glass, and hoses to the new

frame. Refer to the service information for more information.
•
Install all components in the reverse order of removal, and follow all bolt torque specifications in the service

information.

–
–
Replace these must-replace parts according to the service information:

•
A-Pillar Trim Clips
•
Quarter Pillar Trim Clips
•
Panoramic Glass Bolts
Do the Panoramic Glass Roof Motor-Control Unit Resetting Procedure and Panoramic Glass Roof Glass

Position Adjustment. See the service information.
END
Page 13 of 13

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