T-SB-0033-18 Rev

T-SB-0033-18
Rev1
May 10, 2018
Front Brake Vibration
Service
Category
Brake
Section
Brake (front)
Market USA
Applicability
YEAR(S)
MODEL(S)
2011 - 2020
Sienna
ADDITIONAL INFORMATION
REVISION NOTICE
November 24, 2020 Rev1:
 Applicability has been updated to include 2019 – 2020 model year Sienna vehicles.
Any previous printed versions of this bulletin should be discarded.
SUPERSESSION NOTICE
The information contained in this bulletin supersedes Service Bulletin No. T-SB-0045-14.
 Applicability has been updated to include 2018 model year Sienna vehicles.
 The entire bulletin has been updated.
Service Bulletin No. T-SB-0045-14 is obsolete and any printed versions should be discarded.
Introduction
Some 2011 – 2020 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. Follow the Repair
Procedure in this bulletin to address this condition.
© 2020 Toyota Motor Sales, USA
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Front Brake Vibration
Warranty Information
OP CODE
DESCRIPTION
TIME
BR1401
R & R Front Disc Pad W/Anti-squeal Shim Kit
(Both Sides)
0.8
Combo A
Extension Pad Modification
0.5
OFP
T1
T2
04465-0E010
9B
99
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.
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
© 2020 Toyota Motor Sales, USA
T-SB-0033-18
Rev1
May 10, 2018
Front Brake Vibration
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 a decline/downhill.
2. Modify the front extension pads and reinstall on the vehicle.
NOTE
Modification MUST be completed on both the passenger and driver side of the vehicle.
A. Locate the front wheel opening extension pad.
Figure 1.
© 2020 Toyota Motor Sales, USA
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May 10, 2018
Front Brake Vibration
Repair Procedure (continued)
B. Remove the four bolts and the
extension pad.
Figure 2.
C. Place the extension pad on a flat
surface for modification.
Figure 3.
© 2020 Toyota Motor Sales, USA
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Front Brake Vibration
Repair Procedure (continued)
D. Using a power saw, cut at the location shown.
NOTE
 It is recommended to draw a straight line where the cut will be made.
 Callout 1 as shown should be discarded.
Figure 4.
1
2
Discard
E. Install the modified extension pad back
on the vehicle and reinstall the fourth
remaining bolt to the original location
as shown.
Figure 5.
NOTE
Make sure modification is completed on
both sides.
© 2020 Toyota Motor Sales, USA
Reinstall on the Vehicle
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Front Brake Vibration
Repair Procedure (continued)
3. The NEW rotor MUST be phase-matched to the hub assembly.
A. Mount the rotor onto the hub assembly and note the starting lug position.
B. Measure the runout of the hub and rotor assembly at the outermost point of the rotor
surface and record the runout measurement.
C. Rotate the rotor clockwise on the hub to the next lug position.
D. Repeat step B at each lug position.
E. The rotor position will be determined based on the lowest runout measurement obtained.
Max Runout Allowed: 0.05 mm (0.00197 in.)
4. Replace the OLD brake pads with the NEW 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
Incorrect
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.
© 2020 Toyota Motor Sales, USA