L-SB-0104-14

Service Bulletin Details

Public Details for: L-SB-0104-14

Tsb: some 2010 - 2015 model year rx 350 vehicles may exhibit an abnormal noise from the rear cabin area of the vehicle when moving forward and lightly braking. The noise is usually described as a thump noise at the end of a stop as the rear


- 2015 - 2014 - 2013 - 2012 - 2011 - 2010 -

Models from 2015
2015 LEXUS RX350
Models from 2014
2014 LEXUS RX350
Models from 2013
2013 LEXUS RX350
Models from 2012
2012 LEXUS RX350
Models from 2011
2011 LEXUS RX350
Models from 2010
2010 LEXUS RX350 
L-SB-0104-14
November 21, 2014
Thump Noise from Rear as Suspension Returns to Rest
Position
Service
Category
Brake
Section
Brake (rear)
Market
USA
Applicability
YEAR(S)
MODEL(S)
2010 – 2015
RX350
ADDITIONAL INFORMATION
Introduction
Some 2010 – 2015 model year RX 350 vehicles may exhibit an abnormal noise from the rear cabin
area of the vehicle when moving forward and lightly braking. The noise is usually described as a
thump noise at the end of a stop as the rear suspension returns to a rest position. A new Rear Disc
Brake Anti-Squeal Shim Kit, Rear Disc Brake Pad Fitting Kit, and Rear Disc Brake Cylinder Mounting
Brackets are available to address this condition.
NOTE
For vehicles produced BEFORE the Production Change Effective VINs (see the Diagnostic
Procedure for VIN numbers) the Slide Pins No. 1 and No. 2, Dust Boots, and Slide Pin Bushing
No. 1 need to be replaced in order to accept the NEW field fix Rear Disc Cylinder Mounting Brackets.
Warranty Information
OP CODE
BR1400
DESCRIPTION
Remove and Install New Rear Brake Shim Kit, Rear
Brake Fitting Kit and Rear Brake Mounting Brackets
TIME
OFP
T1
T2
1.0
47821-0E020
47821-0E021
47822-0E020
47822-0E021
47821-48100
47821-48101
47822-48100
47822-48101
91
99
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.
© 2014 Lexus, a division of Toyota Motor Sales, USA
Page 1 of 7
November 21, 2014
L-SB-0104-14
Page 2 of 7
Thump Noise from Rear as Suspension Returns to Rest Position
Parts Information
NOTE
See the Diagnostic Procedure to determine which Repair Procedure to perform.
REPAIR
PROCEDURE
1 & 2
PART NUMBER
PART NAME
QTY
04946-0E070
Shim Kit, Anti-Squeal, RR
1
04948-48050
04948-30230
04948-48090
Fitting Kit, Disc Brake, RR
1
47821-0E020
47821-0E021
47821-48100
47821-48101
47821-0E100
Mounting, RR Disc Brake, RH
1
47822-0E020
47822-0E021
47822-48100
47822-48101
47822-0E100
Mounting, RR Disc Brake, LH
1
Pad Kit, Disc Brake L/Fitting Parts, RR*
1
PREVIOUS
NEW
04946-0E030
04946-48110
04466-0E010
04466-48130
1
47814-48100
47814-0E020
47814-06120
No. 1 Slide Pin
2
47815-48100
47815-0E020
47815-06120
No. 2 Slide Pin
2
04479-0E020
04479-48130
04479-48150
Cylinder Kit, Disc Brake, Rear**
1
* Inspect brake pads and only replace if needed.
** Only Replace Slide Pin Boots and Bushing included in Kit.
© 2014 Lexus, a division of Toyota Motor Sales, USA
L-SB-0104-14
November 21, 2014
Page 3 of 7
Thump Noise from Rear as Suspension Returns to Rest Position
Diagnostic Procedure
1. Test drive the vehicle to confirm the condition.
Condition Noise Example Video
Is the condition noise present?
• YES — Continue to step 2.
• NO — This bulletin does NOT apply. Continue diagnosis using the applicable Repair Manual.
2. Check the vehicle’s VIN to determine which Repair Procedure to follow.
Repair Procedure 1:
• All 2010 – 2012 model year RX 350 vehicles produced BEFORE the Production Change
Effective VINs shown below.
PLANT
PRODUCTION CHANGE EFFECTIVE VIN
JTJBC1BA#C2427366
TMMK
JTJBK1BA#C2443979
JTJZB1BA#C2406735
JTJZK1BA#C2412848
TMMC
2T2BK1BA#CC125377
2T2ZK1BA#CC067245
Repair Procedure 2:
• All 2012 – 2015 model year RX 350 vehicles produced AFTER the Production Change
Effective VINs shown in the table above.
© 2014 Lexus, a division of Toyota Motor Sales, USA
L-SB-0104-14
November 21, 2014
Page 4 of 7
Thump Noise from Rear as Suspension Returns to Rest Position
Repair Procedure 1
1. Remove Rear Disc Brake Pads, Anti-Squeal Shim Kit, Disc Brake Pad Fitting Kit, and Disc
Brake Cylinder Mounting Brackets, No. 1 and No. 2 Slide Pins, No. 1 Slide Pin Bushing, and
boots for No. 1 and No. 2 Slide Pins.
Refer to the Technical Information System (TIS), applicable model and model year
Repair Manual:
• 2010 (12/2008 – 08/2009) / 2010 (08/2009 – ) / 2012 / 2013 / 2014 / 2015 RX 350:
Brake – Brake (rear) – “Brake (rear): Rear Brake: Removal”
2. Inspect the rear brakes.
Refer to TIS, applicable model and model year Repair Manual:
• 2010 (12/2008 – 08/2009) / 2010 (08/2009 – ) / 2011 / 2012 / 2013 / 2014 / 2015 RX 350:
Brake – Brake (rear) – “Brake (rear): Rear Brake: Inspection”
3. Install the NEW service part Rear Disc Brake Anti-Squeal Shim Kit, Disc Brake Pad Fitting
Kit, and Disc Brake Cylinder Mounting Brackets, No. 1 and No. 2 Slide Pins, No. 2 Slide Pin
Bushing, and boots for No. 1 and No. 2 Slide Pins and rear brake pads (if need to be replaced).
NOTICE
Install Brake Pad Support Clips 1 and 2 on the bottom side of the Rear Disc Mounting Brackets.
NOTE
The NEW Brake Pad Support Clips have PET tape attached to the back side of the clip.
NOTICE
• When installing the NEW rear
brake shims to rear brake pads,
do NOT apply disc brake grease
to shims or disc brake pad
backing plate.
Figure 1. NEW 1-Piece Rear Brake Shim
• If reinstalling the USED pads,
remove all shim grease from
the backing plates BEFORE
installing shims.
• Assemble these parts dry.
© 2014 Lexus, a division of Toyota Motor Sales, USA
November 21, 2014
L-SB-0104-14
Page 5 of 7
Thump Noise from Rear as Suspension Returns to Rest Position
Repair Procedure 1 (Continued)
Figure 2.
3
1
2
1
Brake Pad Support Plate Clip No. 1 - Left Side
2
Brake Pad Support Plate Clip No. 2 - Right Side
3
PET Tape Attached to Back Side of Brake Pad
Support Plate Clips No. 1 and No. 2 for Bottom
Side of Rear Brake Caliper Mounting Brackets
Refer to TIS, applicable model and model year Repair Manual:
• 2010 (12/2008 – 08/2009) / 2010 (08/2009 – ) / 2011 / 2012 / 2013 / 2014 / 2015 RX 350:
Brake – Brake (rear) – “Brake (rear): Rear Brake: Installation”
4. Install rear disc brake cylinder assembly to rear brake mounting.
Refer to TIS, applicable model and model year Repair Manual:
• 2010 (12/2008 – 08/2009) / 2010 (08/2009 – ) / 2011 / 2012 / 2013 / 2014 / 2015 RX 350:
Brake – Brake (rear) – “Brake (rear): Rear Brake: Installation”
5. Road test the vehicle to confirm the condition has been corrected.
Repair Procedure 2
1. Remove Rear Disc Brake Pads, Anti-Squeal Shim Kit, Disc Brake Pad Fitting Kit, Rear Disc
Brake Cylinder Mounting Brackets.
Refer to the Technical Information System (TIS), applicable model and model year
Repair Manual:
• 2010 (12/2008 – 08/2009) / 2010 (08/2009 – ) / 2012 / 2013 / 2014 / 2015 RX 350:
Brake – Brake (rear) – “Brake (rear): Rear Brake: Removal”
© 2014 Lexus, a division of Toyota Motor Sales, USA
L-SB-0104-14
November 21, 2014
Page 6 of 7
Thump Noise from Rear as Suspension Returns to Rest Position
Repair Procedure 2 (Continued)
2. Inspect the rear brakes.
Refer to TIS, applicable model and model year Repair Manual:
• 2010 (12/2008 – 08/2009) / 2010 (08/2009 – ) / 2011 / 2012 / 2013 / 2014 / 2015 RX 350:
Brake – Brake (rear) – “Brake (rear): Rear Brake: Inspection”
3. Install the NEW service part Rear Disc Brake Anti-Squeal Shim Kit, Disc Brake Pad Fitting Kit,
and Disc Brake Cylinder Mounting Brackets.
NOTICE
Install Brake Pad Support Clips 1 and 2 on the bottom side of the Rear Disc Mounting Brackets.
NOTE
The NEW Brake Pad Support Clips have PET tape attached to the back side of the clip.
NOTICE
• When installing the NEW rear
brake shims to rear brake pads,
do NOT apply disc brake grease
to shims or disc brake pad
backing plate.
Figure 3. NEW 1-Piece Rear Brake Shim
• If reinstalling the USED pads,
remove all shim grease from
the backing plates BEFORE
installing shims.
• Assemble these parts dry.
© 2014 Lexus, a division of Toyota Motor Sales, USA
November 21, 2014
L-SB-0104-14
Page 7 of 7
Thump Noise from Rear as Suspension Returns to Rest Position
Repair Procedure 2 (Continued)
Figure 4.
3
1
2
1
Brake Pad Support Plate Clip No. 1 - Left Side
2
Brake Pad Support Plate Clip No. 2 - Right Side
3
PET Tape Attached to Back Side of Brake Pad
Support Plate Clips No. 1 and No. 2 for Bottom
Side of Rear Brake Caliper Mounting Brackets
Refer to TIS, applicable model and model year Repair Manual:
• 2010 (12/2008 – 08/2009) / 2010 (08/2009 – ) / 2011 / 2012 / 2013 / 2014 / 2015 RX 350:
Brake – Brake (rear) – “Brake (rear): Rear Brake: Installation”
4. Install rear disc brake cylinder assembly to rear brake mounting.
Refer to TIS, applicable model and model year Repair Manual:
• 2010 (12/2008 – 08/2009) / 2010 (08/2009 – ) / 2011 / 2012 / 2013 / 2014 / 2015 RX 350:
Brake – Brake (rear) – “Brake (rear): Rear Brake: Installation”
5. Road test the vehicle to confirm the condition has been corrected.
© 2014 Lexus, a division of Toyota Motor Sales, USA

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