T-SB-0236-12

@TOYOTA
T-SB-0236-12
Technical Service Bulletin
December 6, 2012
Rear Brake Drum Squeak
Service
Category
Brake
Section
Brake (rear)
Market
Toyota Supports ~
ASE Certification ~
USA
Applicability
YEAR(S)
MODEL(S)
ADDITIONAL INFORMATION
2011 - 2012
Tacoma
Body Type(s): Double Cab , Regular Cab, Access
Cab
Drive Type(s): 2WD , 4WD
VDS(s): JU4GN , JX4CN , JX4GN, KU4HN , LU4EN,
MU4FN , NX4CN , PX4EN , TU4CN , TU4GN ,
TX4CN,TX4GN,UU4EN,UX4EN
Introduction
When coming to a stop, some 2011 -2012 model year Tacoma vehicles may exhibit a squeak/squeal
noise from the rear brake drum at the end of the stop. Revised rear brake shoes and drums are now
available to address this condition .
Production Change Information
Applicable to vehicles produced BEFORE the Production Change Effective VINs shown below.
PLANT
WHEEL LUG PATTERN
DRIVETRAIN
PRODUCTION CHANGE EFFECTIVE VIN
5TFNX4CN#CX016605
5 Lug
4x2
5TFTX4CN#CX021121
5TFTU4CN#CX001515
5TFJX4CN#CX021133
5TFTU4GN#CX028063
5TFTX4GN#CXO 13867
Pre Runner
TMMTX
5TFKU4HN#CX002877
5TF J U4G N#CX028049
5TFJX4GN#CX013870
6 Lug
5TFPX4EN#CX012871
5TFUU4EN#CX047717
4x4
5TFUX4EN#CX015933
5TFMU4FN#CX009454
5TFLU4EN#CX04 7731
© 2012 Toyota Motor Sales, USA
Page 1 of 4
@TOYOTA
Page 2 of 4
December 6, 2012
T-SB-0236-12
Rear Brake Drum Squeak
Production Change Information (Continued)
PLANT
WHEEL LUG PATTERN
DRIVETRAIN
PRODUCTION CHANGE EFFECTIVE VIN
3TMJU4GN#CM138095
Pre Runner
3TMKU4HN#CM033929
TMMBC
6 Lug
3TMLU4EN#CM102603
4x4
3TMMU4FN#CM049204
Parts Information
DRIVETRAIN
(LUG PATTERN)
4x2
(5 Lug)
4x4 or
PreRunner
(6 Lug)
All
PREVIOUS PART
NUMBER
CURRENT PART
NUMBER
PART NAME
QTY
42431-04050
42431-04070
Drum , Brake
2
04495-04010
04495-04020
Shoe Kit, Rear Brake
1
42444-35070
Same
Gasket, Brake Drum
2
42431-04060
42431-04080
Drum , Brake
2
04495-04010
04495-04020
Shoe Kit, Rear Brake
1
42444-35050
Same
Gasket, Brake Drum
2
08887-80609
Same
Toyota Disk Brake Grease
As Needed
Warranty Information
OP CODE
DESCRIPTION
472021
R & R Rear Brake Shoe
Assembly
DRIVETRAIN
TIME
OFP
T1
T2
4x2 and
PreRunner
1.1
36
13
4x4
1.2
42431 -04050
04495-04010
42431-04060
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.
© 2012 Toyota Motor Sales, USA
@TOYOTA
December 6, 2012
T-SB-0236-12
Page 3 of 4
Rear Brake Drum Squeak
Repair Procedure
1. Confirm the rear brake squeak noise.
2. Replace the rear brake shoes, drums, and gaskets with the NEW parts.
Figure 1.
1
Parking Brake Shoe Strut Set
2
Adjusting Bolt
3
Rear Brake Shoe
4
Rear Brake Drum Sub-Assembly
5
Rear Axle Brake Drum Gasket (Non-Reusable
Part)
6
Front Brake Shoe
7
Backing Plate
8
Toyota Disk Brake Grease
IMPORTANT
Use only Toyota Disk Brake Grease on the backing plate and parking brake adjusting bolt.
NOTE
Please remember to always replace the rear brake drum gasket.
© 2012 Toyota Motor Sales, USA
.
@TOYOTA
December 6, 2012
T-SB-0236-12
Page 4 of 4
Rear Brake Drum Squeak
Repair Procedure (Continued)
A. Remove rear drums.
Refer to the Technical Information System (TIS}, applicable model year Tacoma Repair
Manual:
• 2011 I 2012 Tacoma :
Brake - Brake (Rear) - "Brake: Rear Brake: Removal"
B. Disassemble rear shoes.
Refer to TIS, applicable model year Tacoma Repair Manual :
• 2011 I 2012 Tacoma:
Brake - Brake (Rear) - "Brake: Rear Brake: Disassembly"
C. Reassemble with NEW rear shoes and NEW brake drum gasket.
Refer to TIS, applicable model year Tacoma Repair Manual:
• 2011 I 2012 Tacoma:
Brake - Brake (Rear) - "Brake: Rear Brake: Reassembly"
D. Install NEW rear drums and reinstall wheels.
Refer to TIS, applicable model year Tacoma Repair Manual:
• 2011 I 2012 Tacoma:
Brake - Brake (Rear) - "Brake: Rear Brake: Installation "
3. Test drive and confirm the repair.
© 2012 Toyota Motor Sales, USA
.