NHTSA ID Number: 10220193
Manufacturer Communication Number: LSB001522
TSB/Document Date: 2022-09-15
Summary
TSB: Some 2013 ? 2022 model year Lexus
vehicles equipped with a 2WD drivetrain and the F Sport package may exhibit a clicking noise from the front wheel area during slow (parking lot) speed turns. The clicking noise that can be heard during sharp turns is a normal condition for certain vehicles originally equipped with a lightweight two-piece aluminum rotor assembly. For customers who find this objectionable, an alternative steel rotor is available. Before performing the repair in this bulletin, it is recommended to review the visual differences of the steel rotor with the customer.
L-SB-0015-22
June 27, 2022
Clicking Noise From the Front Wheel Area During Slow
Speed Turns
Service
Category
Section
Brake (front)
Market USA
Applicability
YEAR(S)
MODEL(S)
2016 - 2017
GS200T, RC200T
2018 - 2019
GS300
2013 - 2020
GS350
2013 - 2018
GS450H
2021 - 2022
IS350
2016 - 2022
RC300, RC350
ADDITIONAL INFORMATION
Introduction
Some 2013 – 2022 model year Lexus vehicles equipped with a 2WD drivetrain and the F Sport
package may exhibit a clicking noise from the front wheel area during slow (parking lot) speed
turns. The clicking noise that can be heard during sharp turns is a normal condition for certain
vehicles originally equipped with a lightweight two-piece aluminum rotor assembly. For customers
who find this objectionable, an alternative steel rotor is available. Before performing the repair in
this bulletin, it is recommended to review the visual differences of the steel rotor with the customer.
Follow the Repair Procedure in this bulletin to address this condition.
© 2022 Toyota Motor Sales, USA
Page 1 of 7
L-SB-0015-22
June 27, 2022
Page 2 of 7
Clicking Noise From the Front Wheel Area During Slow Speed Turns
Warranty Information
MODEL
OP CODE
DESCRIPTION
TIME
GS 200t, GS 300,
GS 350, GS 450h,
RC 200t, RC 300,
and RC 350
BR1941
Install Painted Front Axle
Hub Shim
1.4
Combo Code A
Install Steel Rotors and
New Brake Pads
0.2
Install Painted Front Axle
Hub Shim
*
434021
IS 350
Combo Code A
OFP
T1
T2
43516-#####**
91
41
*See the flat rate manual.
**Warranty claim MUST be submitted with the correct 10-digit OFP. Choose the correct OFP for the vehicle
being repaired by searching for the parts in the Electronic Parts Catalog using the VIN filter.
APPLICABLE WARRANTY
This repair is covered under the Lexus Basic Warranty. This warranty is in effect for 48 months
or 50,000 miles, whichever occurs first, from the vehicle’s in-service date.
Warranty application is limited to occurrence of the specified condition described in
this bulletin.
Parts Information
PART NUMBER
PART NAME
QTY
43512-WY010
Disc, FR RH (Steel Center)**
1
43516-WY020
Disc, FR LH (Steel Center)**
1
Pad Kit, Disc Brake, Front
1
Plate, Disc Brake AIR Guide***
2
PREVIOUS
NEW
43512-30370
43512-30371
43516-30060
43516-30061
04465-30491
04465-24060*
47791-30020
*For 2021 model year vehicles or newer, part number 04465-24060 should be used.
**If it is determined the rotors will be replaced, BOTH rotors MUST be replaced.
***The part number includes one shim. This shim is the same for the right and left sides.
© 2022 Toyota Motor Sales, USA
L-SB-0015-22
June 27, 2022
Page 3 of 7
Clicking Noise From the Front Wheel Area During Slow Speed Turns
Steel Rotor Visual Differences
If the vehicle is a GS 200t, GS 300, GS 350, GS 450h, RC 200t, RC 300, or RC 350 model,
review the visual differences of the steel rotor with the customer BEFORE replacing the rotors.
Figure 1. Rotor Differences
2
1
1
Before (Aluminum)
2
After (Steel)
Figure 2. Example of One Wheel Type for the Vehicle*
1
1
Before (Aluminum)
2
After (Steel)
2
*Other wheel types may have slightly different results.
© 2022 Toyota Motor Sales, USA
L-SB-0015-22
June 27, 2022
Page 4 of 7
Clicking Noise From the Front Wheel Area During Slow Speed Turns
Repair Procedure
1. Is the vehicle equipped with a 2WD drivetrain and the F Sport package?
YES — Continue to step 2.
NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
2. Does the vehicle exhibit a clicking noise from the front wheel area during a slow speed turn?
NOTE
Refer to the video link below for an example of the clicking noise condition:
Clicking Noise Example
YES — Continue to step 3.
NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
3. Install the front axle hub shim (disc brake AIR guide plate).
A. Remove the front hub bearing.
Refer to TIS, applicable model and model year Repair Manual:
2016 / 2017 GS 200t:
Drivetrain – Axle/Differential – “Axle and Differential: Front Axle Hub: Removal”
2018 / 2019 GS 300:
Drivetrain – Axle/Differential – “Axle and Differential: Front Axle Hub: Removal”
2013 / 2014 / 2015 / 2016 / 2017 / 2018 / 2019 / 2020 GS 350:
Drivetrain – Axle/Differential – “Axle and Differential: Front Axle Hub: Removal”
2013 / 2014 / 2015 / 2016 / 2017 / 2018 GS 450h:
Drivetrain – Axle/Differential – “Axle and Differential: Front Axle Hub: Removal”
2016 / 2017 RC 200t:
Drivetrain – Axle/Differential – “Axle and Differential: Front Axle Hub: Removal”
2016 / 2017 / 2018 / 2019 / 2020 / 2021 / 2022 RC 300:
Drivetrain – Axle/Differential – “Axle and Differential: Front Axle Hub: Removal”
2015 / 2016 / 2017 / 2018 / 2019 / 2020 / 2021/ 2022 RC 350:
Drivetrain – Axle/Differential – “Axle and Differential: Front Axle Hub: Removal”
2021 / 2022 IS 350:
Drivetrain – Axle/Differential – “Axle and Differential: Front Axle Hub: Removal”
© 2022 Toyota Motor Sales, USA
L-SB-0015-22
June 27, 2022
Page 5 of 7
Clicking Noise From the Front Wheel Area During Slow Speed Turns
Repair Procedure (continued)
B. Install the painted brake shim between
the hub bearing and knuckle as shown.
Figure 3.
1
Knuckle
2
Shim
3
Hub Bearing
4. Is the vehicle a GS 200t, GS 300, GS 350, GS 450h, RC 200t, RC 300, or RC 350 model?
YES — Go to step 7.
NO — Continue to step 5.
5. Reinstall the front hub bearing.
Refer to TIS, applicable model and model year Repair Manual:
2021 / 2022 IS 350:
Drivetrain – Axle/Differential – “Axle and Differential: Front Axle Hub: Installation”
6. The repair is complete. Test-drive the vehicle to confirm the clicking noise is no
longer present.
© 2022 Toyota Motor Sales, USA
L-SB-0015-22
June 27, 2022
Page 6 of 7
Clicking Noise From the Front Wheel Area During Slow Speed Turns
Repair Procedure (continued)
7. Review the visual differences of the steel rotor with the customer BEFORE replacing
the rotors.
Figure 4. Rotor Differences
2
1
1
Before (Aluminum)
2
After (Steel)
Figure 5. Example of One Wheel Type for the Vehicle*
1
1
Before (Aluminum)
2
After (Steel)
2
*Other wheel types may have slightly different results.
8. Does the customer wish to proceed with the repair AFTER reviewing the visual differences of
the steel rotor?
YES — Continue to step 9.
NO — Go to step 10. Brake rotor replacement is NOT required, ONLY axle hub shim
installation is required.
© 2022 Toyota Motor Sales, USA
L-SB-0015-22
June 27, 2022
Page 7 of 7
Clicking Noise From the Front Wheel Area During Slow Speed Turns
Repair Procedure (continued)
9. Install the updated (steel one-piece) front rotors and brake pad kit.
NOTE
NEW steel one-piece rotors do NOT have paint marks as shown in the Repair Manual. They are
marked with an “L” or an “R” to indicate which location to install, as shown.
Figure 6.
Refer to TIS, applicable model and model year Repair Manual:
2016 / 2017 GS 200t:
Drivetrain – Axle/Differential – “Axle and Differential: Front Axle Hub: Installation”
2018 / 2019 GS 300:
Drivetrain – Axle/Differential – “Axle and Differential: Front Axle Hub: Installation”
2013 / 2014 / 2015 / 2016 / 2017 / 2018 / 2019 / 2020 GS 350:
Drivetrain – Axle/Differential – “Axle and Differential: Front Axle Hub: Installation”
2013 / 2014 / 2015 / 2016 / 2017 / 2018 GS 450h:
Drivetrain – Axle/Differential – “Axle and Differential: Front Axle Hub: Installation”
2016 / 2017 RC 200t:
Drivetrain – Axle/Differential – “Axle and Differential: Front Axle Hub: Installation”
2016 / 2017 / 2018 / 2019 / 2020 / 2021 / 2022 RC 300:
Drivetrain – Axle/Differential – “Axle and Differential: Front Axle Hub: Installation”
2015 / 2016 / 2017 / 2018 / 2019 / 2020 / 2021 / 2022 RC 350:
Drivetrain – Axle/Differential – “Axle and Differential: Front Axle Hub: Installation”
10. Test-drive the vehicle to confirm the clicking noise is no longer present.
© 2022 Toyota Motor Sales, USA
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TSB/Document ID: LSB001522
Replacement Service Bulletin Number:
MFR Communication Date: 2022-06-27
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: WHEELS
MFR Component System:
MFR Component Subsystem:
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