T-SB-0045-14 REV

T-SB-0045-14
July 8, 2014
Rev1
Front Brake Vibration
Service
Category
Brake
Section
Brake (front)
USA
Market
Applicability
YEAR(S)
MODEL(S)
2011 – 2016
Sienna
ADDITIONAL INFORMATION
REVISION NOTICE
August 2, 2016 Rev1:
• Applicability has been updated to include 2015 – 2016 model year Sienna vehicles.
Any previous printed versions of this bulletin should be discarded.
Introduction
Some 2011 – 2016 model year Sienna vehicles may exhibit a vibration/pulsation from the front
brakes that can be felt in the brake pedal while lightly applying the brake pedal. New front brake pads
and a new field fix repair procedure have been developed to improve this condition.
Parts Information
PART NUMBER
PART NAME
QTY
Pad Kit, Brake Front
1
04945-0E040
Shim Kit, Anti-squeal, FR
1
43512-0E030
Disc, Front
2
53851-08010
Pad, Front Wheel Opening Extension, RH
1
53852-08010
Pad, Front Wheel Opening Extension, LH
1
PREVIOUS
NEW
04465-0E010
04465-45040
Warranty Information
OP CODE
DESCRIPTION
TIME
OFP
BR1401
R & R Front Disc Pad w/ Anti-squeal
Shim Kit (Both Sides)
0.8
43512-0E030
04465-0E010
Combo A
Extension Pad Modification
0.5
53851-08010
53852-08010
© 2016 Toyota Motor Sales, USA
T1
T2
9B
99
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Front Brake Vibration
Warranty Information (Continued)
APPLICABLE WARRANTY
• This repair is covered under the Toyota Basic Warranty. This warranty is in effect for 36 months
or 36,000 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.
Repair Procedure
1. Conduct a road test to verify there is front brake vibration.
NOTE
The condition usually occurs when the vehicle is driven on decline/downhill.
2. Modify front extension pads and reinstall on vehicle.
NOTE
Modification MUST be completed on both the passenger and driver side of the vehicle.
A. Locate Front Wheel Opening Extension Pad.
Figure 1.
© 2016 Toyota Motor Sales, USA
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Front Brake Vibration
Repair Procedure (Continued)
B. Remove 4 bolts and remove the extension pad.
Figure 2.
C. Place the extension pad on a flat surface
for modification.
Figure 3.
© 2016 Toyota Motor Sales, USA
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Front Brake Vibration
Repair Procedure (Continued)
D. Using a power saw, cut at location specified.
NOTE
• It is recommended to draw a straight line where the cut will be made.
• Callout 1 in Figure 4 should be discarded.
Figure 4.
1
1
Discard
2
2
E. Install the modified extension pad back on
the vehicle and reinstall the 4th remaining
bolt to the original location as referenced in
Figure 5.
Reinstall On The Vehicle
Figure 5.
NOTE
Make sure modification is completed on
both sides.
© 2016 Toyota Motor Sales, USA
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July 8, 2014
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Front Brake Vibration
Repair Procedure (Continued)
3. New rotor MUST be phase matched to the hub assembly.
A. Mount rotor onto hub assembly and note the starting lug position.
B. Measure the runout of the hub and rotor assembly at the outermost point of rotor surface and
record the runout measurement.
C. Rotate rotor clockwise on hub to the next lug position.
D. Repeat step B at each lug position.
E. Rotor position will be determined based on the lowest runout measurement obtained.
Max Runout Allowed: 0.05 mm (0.00197 in.)
4. Replace the original brake pads with newly developed brake pads and Shim Kit.
5. Install the front wheel and torque to specification using the correct tightening sequence.
Torque: 103 N*m (1050 kgf*cm, 76 ft*lbf)
Figure 6.
1
2
1
1
5
4
1
WRONG
3
2
3
4
5
2
2
CORRECT
NOTICE
Do NOT use an impact gun to tighten the lug nuts, use a torque wrench and follow the correct
sequence to tighten the wheels.
6. Test drive the vehicle and confirm that the condition is no longer present.
© 2016 Toyota Motor Sales, USA