NHTSA ID Number: 10132043
Manufacturer Communication Number: L-SB-0128-12 Rev
TSB/Document Date: 2018-04-02
Summary
Some Standard/Luxury grade AWD GS350 and GS450H vehicles may exhibit a front brake squeak while traveling at low speeds. A new brake pad kit is available to reduce the likelihood of this condition occurring. Use the following repair procedure to address this condition.
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TSB/Document ID: L-SB-0128-12 Rev
Replacement Service Bulletin Number:
MFR Communication Date: 2013-05-29
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: SERVICE BRAKES
MFR Component System:
MFR Component Subsystem:
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LEXIS
L-SB-07428-12 Rev1 December 17, 2012 Technical Service Information Bulletin
Standard / Luxury Grade Front Brake Squeak
Service
Category Brake
Lexus
Supports 2
Section Brake (front) Market USA BEC talesion
Applicability
YEAR(S) MODEL(S) ADDITIONAL INFORMATION
2013 GS350 Body Type(s): 4Dr. Sedan
Drive Type(s): 2WD, 4WD
Engine(s): 2GR
Transmission(s): GAT-F
VDS(s): BE1BL, CE1BL
2013 GS450H Body Type(s): 4Dr. Sedan
Drive Type(s): 2WD
Engine(s): 2GR
Transmission(s): CVT-F
VDS(s): BS1BL
REVISION NOTICE
May 29, 2013 Rev1:
* Applicability has been updated to include 2013 model year GS 450h vehicles.
+ Introduction and Warranty Information have been updated.
Any previous printed versions of this bulletin should be discarded.
Introduction
Some Standard/Luxury grade GS 350 and GS 450h vehicles may exhibit a front brake squeak while
traveling at slow speeds. A new brake pad kit is available to reduce the likelihood of this condition
occurring. Use the following repair procedure to address this condition.
Production Change Information
This bulletin applies to vehicles produced BEFORE the Production Change Effective VINs shown
below.
MODEL PLANT DRIVETRAIN PRODUCTION CHANGE EFFECTIVE VIN
2WD JTHBE1BL#¥D5009942
GS 350
Tahara AWD JTHCE1BL#D5007551
GS 450h 2wD JTHBS1BL#¥05002284
© 2013 Lexus, a divisian of Toyota Motor Sales, USA Page 1 of 3
@vreus L-SB-0128-12 Revi December 17, 2012 Page 2 of 3
Standard / Luxury Grade Front Brake Squeak
Warranty Information
OP CODE DESCRIPTION TIME OFP "1 12
473301 R & R Front Disc Brake Pad 0.7 04465-30470 36 | 41
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 ary
04465-30470 Pad Kit, Disc Brake, Front 1
Repair Procedure
1. Conduct a road test to verify the noise condition. Noise usually occurs during stops with light
pressure applied to the brake pedal.
NOTE
This procedure is for the right-hand side. Perform the same procedure for the left-hand side.
Refer to the Technical Information System (TIS), applicable model and model year Repair
Manual:
* 2013 GS 350 / GS 450h:
Brake — Brake (Front) — “Brake (Front): Front Brake (for 17 inch Front Dise
Brake): Removal”
2. Inspect the front disc as described in the Repair Manual.
Refer to TIS, applicable model and model year Repair Manual:
+ 2013 GS 350 / GS 450h:
Brake — Brake (Front) ~ “Brake (Front): Front Brake (for 17 inch Front Dise
Brake): Inspection”
A. If the runout is more than the maximum (0.05 mm [0.00197 in.]), change the installation
position of the disc to minimize runout.
B. If the runout is more than the maximum even when the installation position is changed,
grind the disc.
© 2013 Lexus, a division of Toyota Motor Sales, USA
Qrexus L-SB-0128-12 Rev1 December 17, 2012 Page 3 of 3
Standard / Luxury Grade Front Brake Squeak
Repair Procedure (Continued)
C. If the disc thickness is less than the minimum (27.0 mm [1.06 in.]), replace the front disc.
Refer to TIS, applicable model and model year Repair Manual:
+ 2013 GS 350 / GS 450h:
Brake — Brake (Front) - “Brake (Front): Front Brake (for 17 inch Front Disc
Brake): Installation”
3. Road test the vehicle to confirm the front brake squeak is no longer present.
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