NHTSA ID Number: 11007440
Manufacturer Communication Number: T-SB-0043-24 Rev1
TSB/Document Date: 2024-09-07
Summary
Some 2023 – 2024 model year Sequoia Hybrid
, and 2022 – 2024 model year Tundra and Tundra Hybrid vehicles may exhibit a condition where the front brakes produce a squealing noise when driving forward or in reverse.
T-SB-0043-24
Rev1
May 6, 2024
Front Brake Squeal
Service
Category
Brake
Section
Brake (front)
Market USA
Applicability
YEAR(S)
MODEL(S)
2023 - 2024
Sequoia HV
2022 - 2024
Tundra, Tundra HV
ADDITIONAL INFORMATION
REVISION NOTICE
July 11, 2024 Rev1:
Applicability has been updated to include 2023 – 2024 model year Sequoia Hybrid, and
2022 – 2024 model year Tundra Hybrid vehicles.
The Introduction, Required Tools & Equipment, and Repair Procedure sections have
been updated.
Any previous printed versions of this bulletin should be discarded.
Introduction
Some 2023 – 2024 model year Sequoia Hybrid, and 2022 – 2024 model year Tundra and Tundra
Hybrid vehicles may exhibit a condition where the front brakes produce a squealing noise when
driving forward or in reverse. Follow the Repair Procedure in this bulletin to reduce the possibility
of this condition.
Warranty Information
OP CODE
DESCRIPTION
TIME
OFP
T1
T2
BR2403
R & R Front LH & RH Shim Kit, Brake Pad Kit,
and Front Discs
1.8
04465-02580
91
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.
© 2024 Toyota Motor Sales, USA
Page 1 of 6
T-SB-0043-24
Rev1
May 6, 2024
Page 2 of 6
Front Brake Squeal
Parts Information
PART NUMBER
PART NAME
QTY
43512-0C040
Disc, Front
2
04465-02580
04465-34040
Pad Kit Disc Brake, Front
1
04945-02330
04945-0C060
Shim Kit, Anti Squeal, Front (Grease Included)
1
04947-02190
04947-0C030
Fitting Kit, Disc Brake Front (Anti-rattle Spring)
1
1
PREVIOUS
NEW
43512-0C030
08887-80609
Required Tools & Equipment
REQUIRED TOOLS & MATERIAL
PART NUMBER
QTY
Disc Brake Piston Spreader Wide Type
09719-77020
09719-77050
1
NOTE
Additional SSTs may be ordered by calling 1-800-933-8335 (USA) or 01-800-504-5330 (Mexico) or by
visiting Home – Service Resources – Toyota Special Service Tools (SSTs).
Repair Procedure
1. Confirm the condition exists.
Does the vehicle exhibit a condition where the front brakes produce a squealing noise when
driving forward or in reverse?
YES — Continue to step 2.
NO — This bulletin does NOT apply. Continue diagnosis using the applicable Repair Manual.
© 2024 Toyota Motor Sales, USA
T-SB-0043-24
Rev1
May 6, 2024
Page 3 of 6
Front Brake Squeal
Repair Procedure (continued)
2. Remove the tire and wheel, disc, pad, shim kit, and anti-rattle spring.
A. Remove the tire and wheel.
Refer to TIS, applicable model and model year Repair Manual:
2022 – 2024 Tundra and Tundra Hybrid:
General – Maintenance – Tire and Wheel – Removal
2023 – 2024 Sequoia Hybrid:
General – Maintenance – Tire and Wheel – Removal
B. Remove the front disk brake pad.
Refer to TIS, applicable model and model year Repair Manual:
2022 – 2024 Tundra and Tundra Hybrid:
General – Maintenance – Front Disc Brake Pad – Removal
2023 – 2024 Sequoia Hybrid:
General – Maintenance – Front Disc Brake Pad – Removal
C. Remove the front brake.
Refer to TIS, applicable model and model year Repair Manual:
2022 – 2024 Tundra and Tundra Hybrid:
Brake – Brake (Front) – Front Brake – Removal
2023 – 2024 Sequoia Hybrid:
Brake – Brake (Front) – Front Brake – Removal
3. Confirm the NEW rotor by locating the gold dot
on the hat. Install the NEW rotor.
Figure 1. New Rotor With Gold Dot
Refer to TIS, applicable model and model year
Repair Manual:
1
c
2022 – 2024 Tundra and Tundra Hybrid:
Brake – Brake (Front) –
Front Brake – Installation
2023 – 2024 Sequoia Hybrid:
Brake – Brake (Front) –
Front Brake – Installation
1
© 2024 Toyota Motor Sales, USA
Gold Dot
T-SB-0043-24
Rev1
May 6, 2024
Page 4 of 6
Front Brake Squeal
Repair Procedure (continued)
4. Assemble the brake pad and shim kit.
A. Place the shim plate on the back of the
brake pad as shown in Figure 2.
Figure 2. Shim Plate on the Back of the Brake Pad.
B. Apply grease ONLY to the 10 locations
shown in Figure 2.
NOTE
Use the grease included with the
shim kit (04945-0C060).
C. After applying grease, carefully place the
solid shim on top.
Locations of Grease Application
5. Apply brake caliper grease (08887-80609) to the cylinder (caliper) areas shown in
Figures 3 and 4.
Figure 3.
Figure 4.
1
c
1
c
1
Area of Grease Application
1
© 2024 Toyota Motor Sales, USA
Area of Grease Application
T-SB-0043-24
Rev1
May 6, 2024
Page 5 of 6
Front Brake Squeal
Repair Procedure (continued)
6. Install the front disc brake pad kit.
Using the disc brake piston spreader wide type, push back the front disc brake pistons, and
install the brake pad with the wear indicator and shims inside the caliper as shown in Figure 5.
NOTE
The brake pad with the wear indicator is the inner pad and the brake pad without the wear indicator is
the outer pad.
Figure 5. Brake Pad Installation
2
c
1
c
1
Disc Brake Piston Spreader Wide Type
2
Brake Pad with Wear Indicator
3
Wear Indicator
2
c
© 2024 Toyota Motor Sales, USA
3
c
3
c
T-SB-0043-24
Rev1
May 6, 2024
Page 6 of 6
Front Brake Squeal
Repair Procedure (continued)
7. Install the anti-rattle kit.
A. Install the front disc brake anti-rattle pin with a hole (upper side).
B. Install the NEW brake anti-rattle spring, then install the front disc brake anti-rattle pin with
hole (lower side) as shown in Figure 6.
C. Install the pin hold clip to the front disc brake anti-rattle pin with hole and engage the hook to
the disc brake cylinder assembly as shown in Figure 7.
Figure 6.
Figure 7.
1
c
1
c
2
c
3
c
1
Front Disc Brake Anti-rattle Pin (Upper Side)
2
New Brake Anti-rattle Spring
3
Front Disc Brake Anti-rattle Pin (Lower Side)
1
Pin Hold Clip
8. Install the tire and wheel.
Refer to TIS, applicable model and model year Repair Manual:
2022 – 2024 Tundra and Tundra Hybrid:
General – Maintenance – Tire and Wheel – Installation
2023 – 2024 Sequoia Hybrid:
General – Maintenance – Tire and Wheel – Installation
9. Test-drive the vehicle and brake at low speeds driving forward and in reverse to confirm the
condition is no longer present.
© 2024 Toyota Motor Sales, USA
- Mixes well with conventional fluids
- Low-moisture formula provides excellent vapor lock...
- Ideal for hydraulic and disc brakes
- Provides an extra margin of safety in extreme braking...
- Mix of polyglycol ethers ensures hot brake-system operation...
- Excellent for ABS, disc and drum brake systems
- Delivers braking power when needed by avoiding a spongy...
- Both wet and dry boiling points exceed the minimum...
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TSB/Document ID: T-SB-0043-24 Rev1
Replacement Service Bulletin Number:
MFR Communication Date: 2024-07-11
MFR Internal Campaign ID/Software Version: T-SB-0043-24 Rev1
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: SERVICE BRAKES
MFR Component System:
MFR Component Subsystem:
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