NHTSA ID Number: 10152259
Manufacturer Communication Number: L-SB-0036-15 Rev
TSB/Document Date: 2018-12-17
Summary
LSB: Some 2007 ? 2015 model year 2WD LS 460 standard (non F-Sport, non AWD) and LS 460L vehicles may exhibit vibration/pulsation in the brake pedal and/or steering wheel while lightly applying the brake pedal at high speeds (65 ? 75 mph). Follow the procedures in this bulletin to address this condition.
L-SB-0036-15
August 19, 2015
Rev1
Front Brake Vibration
Service
Category
Brake
Section
Brake (front)
Market
USA
Applicability
YEAR(S)
MODEL(S)
2007 – 2015
LS460
ADDITIONAL INFORMATION
REVISION NOTICE
December 4, 2015 Rev1:
• The Parts Information section and Repair Procedure section has been updated.
Any previous printed versions of this bulletin should be discarded.
Introduction
Some 2007 – 2015 model year 2WD LS 460 standard (non F-Sport, non AWD) and LS 460L vehicles
may exhibit vibration/pulsation in the brake pedal and/or steering wheel while lightly applying
the brake pedal at high speeds (65 – 75 mph). Follow the procedures in this bulletin to address
this condition.
Warranty Information
OP CODE
DESCRIPTION
TIME*
OFP
T1
T2
BR1501
Front Caliper Modification and Front Disc
Brake Repair (One Side)
0.7
Front Caliper Modification and Front Disc
Brake Repair (Opposite Side)
9B
13
BR1501A
0.5
04947-50120
04947-50130
43512-50240
* Time includes BOTH (1) caliper modification, and (2) rotor resurfacing OR rotor replacement.
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.
© 2015 Lexus, a division of Toyota Motor Sales, USA
Page 1 of 10
L-SB-0036-15
Rev1
August 19, 2015
Page 2 of 10
Front Brake Vibration
Parts Information
PART NUMBER
PART NAME
QTY
47748-50200
Spring, Anti-rattle
2
Order the Following Parts ONLY if Needed:
DRIVETRAIN
PART NUMBER
PART NAME
QTY
2WD
43512-50240
Disc, FR
2
–
04465-50260
Pad Kit, Disc Brake, Front
1
Repair Procedure
1. Conduct a road test to verify the condition described in the Introduction.
NOTE
The condition usually occurs when the vehicle is driven at high speeds (60 – 75 mph) and when
braking at low pressure.
Can the vibration condition be duplicated?
• YES — Continue to step 2.
• NO — This bulletin does NOT apply. Continue diagnosis using the applicable Repair Manual.
2. Remove the front wheel.
3. Measure front rotor thickness and refinish or replace as necessary.
A. Measure the front rotor thickness. If the thickness is below the standard specification,
replace the front rotors.
DISC SIZE
STANDARD THICKNESS
MINIMUM THICKNESS
13.14 inch
30.0 mm (1.181 in.)
27.0 mm (1.063 in.)
B. If the front rotor thickness is within specification, resurface the rotors to a smooth finish
using an on-car brake lathe.
4. Inspect the front brake pads.
Measure the thickness of both front brake pads. If the thickness is out of specification, replace
the front brake pads.
Standard Thickness: 13.5 mm (0.532 in.)
Minimum Thickness: 1.0 mm (0.039 in.)
NOTE
If the thickness is within specification, there is no need to replace the brake pads.
© 2015 Lexus, a division of Toyota Motor Sales, USA
L-SB-0036-15
Rev1
August 19, 2015
Page 3 of 10
Front Brake Vibration
Repair Procedure (Continued)
5. Install the additional M-Spring.
Figure 1. M-Spring/Anti-Rattle Spring (P/N 47748-50200)
HINT
M-Spring shown at right.
A. Remove all components from the calipers (including brake pads and all fitting kit components).
Figure 2.
NOTE
Check brake pad surface. If there is any abnormal surface condition, such as wear or
streak marks, replace the brake pads.
© 2015 Lexus, a division of Toyota Motor Sales, USA
L-SB-0036-15
Rev1
August 19, 2015
Front Brake Vibration
Repair Procedure (Continued)
B. Install the outer brake pad (with new or
original pads).
Figure 3.
C. Install the inner brake pad.
Figure 4.
© 2015 Lexus, a division of Toyota Motor Sales, USA
Page 4 of 10
L-SB-0036-15
Rev1
August 19, 2015
Front Brake Vibration
Repair Procedure (Continued)
D. Temporarily install the slide pin on the trailing
side of the caliper to secure the brake pads.
Figure 5.
E. Reinstall the original M-Spring onto the leading
side of the caliper.
Figure 6.
© 2015 Lexus, a division of Toyota Motor Sales, USA
Page 5 of 10
L-SB-0036-15
Rev1
August 19, 2015
Front Brake Vibration
Repair Procedure (Continued)
F. Insert the slide pin on the leading side through
the M-Spring.
Figure 7.
NOTE
Make sure that the slide pin is inserted
through the spring.
© 2015 Lexus, a division of Toyota Motor Sales, USA
Page 6 of 10
L-SB-0036-15
Rev1
August 19, 2015
Page 7 of 10
Front Brake Vibration
Repair Procedure (Continued)
G. Remove the trailing side slide pin that was previously inserted to secure the brake pads.
The leading side installation is now complete.
NOTE
Confirm proper installation before proceeding.
Figure 8.
© 2015 Lexus, a division of Toyota Motor Sales, USA
L-SB-0036-15
Rev1
August 19, 2015
Page 8 of 10
Front Brake Vibration
Repair Procedure (Continued)
H. Install the NEW M-Spring onto the trailing side
of the caliper.
Figure 9.
I. Insert the trailing side slide pin through the M-Spring. The dual M-Spring installation is
now complete.
Figure 10.
© 2015 Lexus, a division of Toyota Motor Sales, USA
L-SB-0036-15
Rev1
August 19, 2015
Front Brake Vibration
Repair Procedure (Continued)
J. Install the original pad wear indicator retainer.
Figure 11.
K. Install the original anti-rattle spring.
Figure 12.
© 2015 Lexus, a division of Toyota Motor Sales, USA
Page 9 of 10
Rev1
L-SB-0036-15
August 19, 2015
Page 10 of 10
Front Brake Vibration
Repair Procedure (Continued)
Figure 13.
L. Repeat the steps on the opposite side.
6. Reinstall the front wheel and torque to specification using the correct tightening sequence
shown in Figure 14.
CAUTION
It is ESSENTIAL to install the front wheel lug nuts with the correct torque specification using a
torque wrench, in the correct star pattern sequence (shown in Figure 14).
NOTICE
Do NOT use an impact gun to tighten the lug nuts.
Torque: 140 N*m (1428 kgf*cm, 103 ft*lbf)
Figure 14. Star Pattern Sequence
1
2
1
1
3
4
5
1
CORRECT
2
5
2
4
2
INCORRECT
7. Road test to confirm vibration/pulsation condition has been remedied.
© 2015 Lexus, a division of Toyota Motor Sales, USA
3
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TSB/Document ID: L-SB-0036-15 Rev
Replacement Service Bulletin Number:
MFR Communication Date: 2015-12-04
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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