23-ST-004G-1

GROUP
STEERING
DATE
Technical Service Bulletin
SUBJECT:
SEPTEMBER 2023
NUMBER
23-ST-004G-1
MODEL(S)
SEE BELOW
STEERING UNIVERSAL JOINT NOISE INSPECTION AND
GREASE APPLICATION
This TSB supersedes 23-ST-004G to add the op code and service procedure information
for G90 (RS4) vehicles equipped with an electric supercharger (E-SC).
Description: This bulletin describes the procedure to inspect the steering universal joint dust
cover for noise, and if necessary, apply grease on certain Genesis vehicles.
Applicable Vehicles:






21-24MY G80 (RG3)
23-24MY G80 Electrified (RG3 EV)
23-24MY G90 (RS4)
22-24MY GV70 (JK1)
24MY GV70 Electrified (JK1 EV)
21-24MY GV80 (JX1)
NOTICE
Genesis EV repairs can only be performed by EV certified Genesis retailers.
Circulate To: General Manager, Service Manager, Parts Manager, Warranty Manager, Service
Advisors, Technicians, Body Shop Manager, Fleet Repair
STEERING UNIVERSAL JOINT NOISE INSPECTION AND GREASE APPLICATION
SUBJECT:
Parts Information:
Model
Part Name
Part Number
Remarks
Universal Joint Lock Bolt
56415-J5000
2 each
All
Use a total of 10cc (about 2 teaspoons)
Panorama Loop Grease
81685-3S000
1 container / 30 vehicles
Warranty Information:
Op. Time
Model
Op. Code
Operation
All
56415F05
Dust Cover Noise
Inspection
GV80 (JX1)
G80 (RG3)
G90 (RS4
without E-SC)
56415F06
Electrified G80
(RG3 EV)
56415F07
GV70 (JK1)
56415F08
Electrified
GV70
(JK1 EV)
56415F09
1.2 M/H
G90 (RS4)
with E-SC
56415F11
1.1 M/H
Causal Part*
Nature
Code
Cause
Code
56400-XXXXX*
Q55
ZZ5
0.3 M/H
0.7 M/H
Dust Cover Noise
Inspection, Universal
Joint Removal, and
Grease Application
0.9 M/H
0.8 M/H
NOTE 1: Normal warranty applies.
*NOTE 2: Please refer to the parts catalog for applicable joint steering assembly.
NOTE 3: Submit claim on Claim Entry Screen as “Warranty” type.
NOTE 4: This TSB includes Repair validation photos. Op times include VIN, Mileage, and Repair
validation photos as outlined in the Digital Documentation Policy.
NOTE 5: If a part is found in need of replacement while performing this TSB and the affected part is
still under warranty, submit a separate claim using the same repair order. If the affected part is out of
warranty, submit a Prior Approval request for goodwill consideration prior to
NOTE 6: Please claim $2.50 on sublet for the use of panorama loop grease for op codes 56415F06F09, F11.
TSB #: 23-ST-004G-1
Page 2 of 12
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SUBJECT:
STEERING UNIVERSAL JOINT NOISE INSPECTION AND GREASE APPLICATION
Service Procedure Overview:
Dust Cover Noise Inspection
Is noise
present?
No
Yes
Remove Crash Pad
Lower Panel & Knee
Airbag
Remove U-joint Upper
Remove foreign
materials from humidity
unit of sliding bearing
Apply grease evenly by
pushing dust cover up &
down
Move dust cover up &
down at least 5 times
Check for noise, then
reinstall.
Complete
Inspection Procedure:
1.
With the ignition ON (engine running if applicable), turn the steering wheel left/right repeatedly
and listen for any abnormal noises around the universal joint dust cover.
Refer to the videos below for inspection of universal joint dust cover noise.
Noise Video 1: https://youtu.be/jPXNQpof5Aw
Noise Video 2: https://www.youtube.com/shorts/YybH_lRVSQw
Noise Video 3: https://www.youtube.com/shorts/5_45z2i3pdI
Noise Video 4: https://www.youtube.com/shorts/AeOYFEehvRA
If a noise is heard in the area, proceed to removing the crash pad lower panel and knee airbag,
and perform the cleaning and grease application per service procedures below.
TSB #: 23-ST-004G-1
Page 3 of 12
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SUBJECT:
STEERING UNIVERSAL JOINT NOISE INSPECTION AND GREASE APPLICATION
Service Procedure:
STUI
This TSB includes Repair validation photos. Refer to the latest Digital
Documentation Policy for requirements.
i
Information
For G90 (RS4) vehicles equipped with electric supercharger (E-SC), the 48V battery pack must
be removed to gain access to the 12V battery. Follow the procedures below to disconnect the
12V battery. Other than this exception, the rest of the procedures in this TSB apply to all models
listed, including G90 (RS4) E-SC vehicles.
12V Battery Disconnection for G90 (RS4) equipped with electric supercharger (E-SC):
1.
Center the steering wheel and the front wheels
pointed straight ahead.
Record customer’s radio presets, then turn off
the ignition switch. Wait at least 3 minutes
before continuing.
2.
i
Information
Centering the steering wheel provides a
reference point when disconnecting and
reattaching the steering universal joint.
The steering u-joint is “keyed” on both
sides, allowing only one orientation of
installation.
Remove the 48V battery system assembly (BSA) by following the procedures described in the
service manual:
Engine Electrical System -> 48V Battery System -> Battery System Assembly (BSA) ->
Removal and Installation
TSB #: 23-ST-004G-1
Page 4 of 12
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3.
STEERING UNIVERSAL JOINT NOISE INSPECTION AND GREASE APPLICATION
With the BSA removed, the 12V battery is
accessible. Disconnect the battery negative (-)
terminal.
Continue to the Crash Pad Lower Panel and
Knee Airbag Removal service procedures.
Battery Negative Terminal Tightening
Torque:
lb-ft
6.5
lb-in
78
N.m
8.8
Crash Pad Lower Panel and Knee Airbag Removal:
i
Information
The procedure in this TSB is based on the Shop Manual for G80 (RG3) vehicles. For detailed
procedures for each vehicle please refer to the applicable Shop Manual.
TSB #: 23-ST-004G-1
Page 5 of 12
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SUBJECT:
1.
STEERING UNIVERSAL JOINT NOISE INSPECTION AND GREASE APPLICATION
Center the steering wheel and the front wheels
pointed straight ahead.
A
Record customer’s radio presets, then turn off
the ignition switch and disconnect the battery
negative (-) cable. Wait at least 3 minutes.
Remove the L/H front door body side weather
strip (A).
Battery Negative Terminal Tightening
Torque:
lb-ft
6.5
lb-in
78
N.m
8.8
i
Information
Centering the steering wheel provides a
reference point when disconnecting and
reattaching the steering universal joint.
The steering u-joint is “keyed” on both
sides, allowing only one orientation of
installation.
! CAUTION
For EV vehicles, disconnect the service
interlock connector and wait 3 minutes
before continuing to work on vehicle.
See applicable Service Manual for
details.
TSB #: 23-ST-004G-1
Page 6 of 12
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2.
STEERING UNIVERSAL JOINT NOISE INSPECTION AND GREASE APPLICATION
Remove the crash pad L/H side cover (B) using
a trim removal tool.
! CAUTION
Be careful not to injure your hands when
removing the cover.
B
NOTICE
Be careful not to damage parts during
removal.
3.
Loosen the mounting screws and remove the
crash pad lower panel assembly (C).
i
Information
Be sure to replace any damaged clips
with new ones during reassembly.
4.
C
Press the lock pin to remove all connectors (D)
attached to the crash pad lower panel.
D
TSB #: 23-ST-004G-1
Page 7 of 12
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5.
STEERING UNIVERSAL JOINT NOISE INSPECTION AND GREASE APPLICATION
Unclip the diagnostic connector (E) by pressing
the locking pin and then remove the crash pad
lower panel.
E
6.
Remove the knee airbag retaining bolts (F) and
then remove the knee airbag assembly.
Knee Airbag Mounting Bolt Tightening
Torque:
7.
lb-ft
7.3
lb-in
91
N.m
9.8
F
Remove the knee airbag connector (G) and
foot light connector (H) attached to the knee
airbag assembly.
H
G
TSB #: 23-ST-004G-1
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STEERING UNIVERSAL JOINT NOISE INSPECTION AND GREASE APPLICATION
SUBJECT:
Universal Joint Removal and Grease Application:
1.
Remove the column shaft fixing clip (A) and
loosen the universal joint upper fastening bolt
(B).
Information
i
Only remove the wiring fixing clip if it
interferes with the universal joint upper
fixing bolt.
B
Information
i
A
Centering the steering wheel provides a
reference point when disconnecting and
reattaching the steering universal joint.
The steering u-joint is “keyed” on both
sides, allowing only one orientation of
installation.
2.
Loosen the universal joint upper fastening bolt
(C) and remove the universal joint upper from
the steering column and the steering shaft.
Universal Joint Bolt Tightening Torque:
lb-ft
26
N.m
35
i
C
Information
Some models may require removal of
engine cover and/or air filter housing to
access the universal joint upper fastening
bolt (C). See applicable Service Manual
procedures for details.
TSB #: 23-ST-004G-1
Page 9 of 12
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3.
STEERING UNIVERSAL JOINT NOISE INSPECTION AND GREASE APPLICATION
Remove the universal joint dust cover nuts (D)
and then the universal joint upper.
i
Information
For more details on removing the
universal joint refer to the applicable
Shop Manual for each vehicle.
D
D
Dust Cover Bolt Tightening Torque:
4.
lb-ft
7.3
lb-in
88
N.m
9.8
Clean the universal joint shaft with a cloth to
wipe off foreign substances and grease.
i
Information
 Move the dust cover up and down to
help remove foreign materials and
grease.
Clean Foreign
Materials in
this Area
 Noise may recur if all foreign materials
and grease are not removed.
5.
Apply approximately 5 cc of grease (about a
teaspoon) evenly to shaft upper area (F). Then
push the dust cover upwards. Apply
approximately 5 cc of grease (about a
teaspoon) evenly to the shaft lower area (G).
i
Information
Refer to video below for an example of
grease application:
Area of
Grease
Application
PUSH
DOWN
F
Steering Grease Application Video:
https://youtu.be/fDC0QtD56ys
TSB #: 23-ST-004G-1
Page 10 of 12
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STEERING UNIVERSAL JOINT NOISE INSPECTION AND GREASE APPLICATION
G
PUSH
UP
Area of
Grease
Application
5.
Move the dust cover (H) up and down more
than five times to ensure it operates smoothly
and there is no noise before reinstallation.
Move up
and down
>5 times
After grease application is complete, install all
components in reverse order of removal.
i
Information

Before installation, check for noise in
the universal joint.

When installing, check the alignment
of the handles and insert them into
the steering column and steering joint.
H
NOTICE
Be sure to replace the Universal Joint
Lock Bolts with new ones (2 each).
These are not to be reused.
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STEERING UNIVERSAL JOINT NOISE INSPECTION AND GREASE APPLICATION
6.
STUI
Using STUI, take a photo of the
cleaned and greased universal joint
dust cover assembly with the last 6
digits of the VIN and the date of repair
on a piece of paper.
Example of acceptable STUI photo
Upload the photo to STUI.
7.
Reconnect the negative battery cable and
interlock connector (if applicable).
8.
Input the customer’s radio stations.
9.
Drive the vehicle to confirm proper operation.
10. The service procedure is complete.
TSB #: 23-ST-004G-1
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