Qvexus
L-SB-0128-12 December 17, 2012 Technical Service Information Bulletin

Standard / Luxury Grade Front Brake Squeak

Service

Category Brake
Lexus Supports

ASE Certification sae

Section Brake (front) Market USA

Applicability
YEAR(S) MODEL(5) ADDITIONAL INFORMATION
2013 GS350 Body Type(s): 4Dr. Sedan

Drive Type(s): 2WD, 4WD

Engine(s): 2GR

Transmission(s): GAT-F

VDS(s): BE1BL, BE1KS, BESKS, CE1BL, CE1KS,
CESKS

Introduction

Some Standard/Luxury grade GS 350 vehicles may exhibit an abnormal front brake squeak while
traveling at slow speeds. A new brake pad kit is available to address this condition. Use the following

repair procedure to repair 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
GS350 Tahara
4WD JTHCE1BL#405007551
Warranty Information
OP CODE DESCRIPTION TIME OFP v1 T2
473301 R & R Front Disc Brake Pad 0.7 04465-30470
Grind Front Disc*
aie (On Car Only) (One Side) Us
Combo A (Opposite Side) 1.0 43516-30040 36 41
R & R Front Disc* 43512-30350
ooo (As Needed) (One Side) eee
Combo A {Opposite Side) 0.2

© 2012 Lexus, a division of Toyota Motor Sales, USA Page 1 of 3
QO uexus L-SB-0128-12

Standard / Luxury Grade Front Brake Squeak

December 17, 2012

Page 2 of 3

Warranty Information (Continued)

* These operations are on an as needed basis. If necessary, only one of the two operations should be performed based

on the disc condition. Do NOT claim both Machining and Rotor replacement. Only ONE or the other operation is

allowed, if required.

bulletin.

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

Parts Information

PREVIOUS PART NUMBER

CURRENT PART NUMBER

PART NAME

QTY

04465-30470

Same

Pad Kit, Disc Brake, Front

Repair Procedure

1. Conduct a road test to verify the noise condition. Noise usually occurs during stops with tight
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:

Brake — Brake (Front) — “Brake (Front): Front Brake (for 17 inch Front Disc 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:

Brake — Brake (front) — Front brake (for 17 inch Front Disc Brake) — “Brake (Front): Front

brake (for 17 inch Front Disc 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.

@ 2012 Lexus, a division of Toyota Motor Sales, USA
@Qvexus L-SB-0128-12 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:
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.

© 2012 Lexus, a division of Toyota Motor Sales, USA