T-SB-0013-18-Rev

T-SB-0013-18
Rev1
February 6, 2018
Whine Noise From Rear of Vehicle
Service
Category
Drivetrain
Section
Axle/Differential
Market USA
Applicability
YEAR(S)
MODEL(S)
ADDITIONAL INFORMATION
2016 - 2018
Tacoma
Body Type(s): D CAB
REVISION NOTICE
August 8, 2018 Rev1:
 Applicability has been updated to include 2018 model year Tacoma vehicles.
 The Production Change Information section has been added and the Parts Information section
has been updated.
Any previous printed versions of this bulletin should be discarded.
Introduction
Some 2016 – 2018 model year Tacoma Double Cab 4WD vehicles equipped with a BD22 rear
differential may exhibit a whine noise from the rear of the vehicle. This condition may occur while
driving around 50 mph at constant speed, slight acceleration, or slight deceleration and may be
caused by rear differential vibration transferring through the chassis and body. Follow the Repair
Procedure in this bulletin to address this condition.
Production Change Information
This bulletin applies to vehicles produced BEFORE the Production Change Effective VINs
shown below.
MODEL
DRIVETRAIN
PLANT
TMMTX
Tacoma
PRODUCTION CHANGE EFFECTIVE VIN
5TFCZ5AN#HX138107
5TFDZ5BN#HX033284
4WD
TMMBC
© 2018 Toyota Motor Sales, USA
3TMCZ5AN#JM145307
3TMDZ5BN#JM042762
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T-SB-0013-18
Rev1
February 6, 2018
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Whine Noise From Rear of Vehicle
Warranty Information
OP CODE
DESCRIPTION
TIME
OFP
SU1701
Install Pad and Dynamic Damper
1.0
51229-04010
1.0
48210-04710
48220-04350
48210-04840
48220-04480
Combo A
R & R Leaf Spring Assy (Both Sides)*
T1
T2
91
99
*ONLY applicable to long wheelbase.
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
YEAR
WHEELBASE
T/M
GRADE
PART NAME
QTY
48210-04850
Spring Assy, Rear RH
1
48220-04450
48220-04490
Spring Assy, Rear LH
1
All Except
TRD Pro
48210-04710
48210-04600
Spring Assy, Rear RH
1
48220-04350
48220-04240
Spring Assy, Rear LH
1
TRD Off-road,
TRD Pro
48210-04840
48210-04870
Spring Assy, Rear RH
1
48220-04480
48220-04510
Spring Assy, Rear LH
1
51229-04010
Damper, Frame Dynamic
2
62555-04070
Pad, Pillar, No.5
2
52216-04010
Stopper, Cab
Mounting Cushion
2
PREVIOUS
NEW
48210-04810
TRD Pro
MT
AT
2016 –
Long
2017 (127.4 in.)
MT
All
AT
TRD Off-road,
TRD Pro
MT
All
AT
TRD Off-road,
TRD Pro
MT
All
AT
TRD Off-road,
TRD Pro
N/A
52216-04040
52216-04020
© 2018 Toyota Motor Sales, USA
T-SB-0013-18
Rev1
February 6, 2018
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Whine Noise From Rear of Vehicle
Parts Information (continued)
PART NUMBER
YEAR
WHEELBASE
T/M
GRADE
MT
All
AT
TRD Off-road,
TRD Pro
MT
All
AT
TRD Off-road,
TRD Pro
MT
All
AT
TRD Off-road,
TRD Pro
MT
All
N/A
AT
TRD Off-road,
TRD Pro
MT
All
52216-04040
AT
TRD Off-road,
TRD pro
PREVIOUS
PART NAME
QTY
51229-04010
Damper, Frame
Dynamic
2
62555-04070
Pad, Pillar, No.5
2
52216-04010
Stopper, Cab
Mounting Cushion
2
51229-04010
Damper, Frame
Dynamic
2
52216-04010
Stopper, Cab
Mounting Cushion
2
NEW
N/A
2016 – Super Long
2017
(140.6 in.)
2018
Long/Super
Long
52216-04040
52216-04020
52216-04020
Repair Procedure
1. Confirm the condition exists.
Does the vehicle exhibit a whine noise from the rear of the vehicle while driving around
50 mph at constant speed, slight acceleration, or slight deceleration?
 YES — Continue to step 2.

NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
© 2018 Toyota Motor Sales, USA
T-SB-0013-18
Rev1
February 6, 2018
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Whine Noise From Rear of Vehicle
Repair Procedure (continued)
2. Install the No. 5 pillar pad to the C pillar.
A. Fold down the seat and seat back for
adequate space during the repair.
Figure 1.
B. Remove the RH and LH luggage compartment side tray, rear door scuff plate, rear door
weatherstrip, and the quarter trim lower panel.
Refer to TIS, applicable model and model year Repair Manual:
 2016 / 2017 / 2018 Tacoma:
Vehicle Interior – Interior Panels/Trim – “Interior: Roof Headlining
(for Double Cab): Removal”
C. Remove the rear seat outer belt assembly.
Refer to TIS, applicable model and model year Repair Manual:
 2016 / 2017 / 2018 Tacoma:
Vehicle Interior – Seat Belt – “Seat Belt: Rear Seat Outer Belt Assembly
(for Double Cab): Removal”
© 2018 Toyota Motor Sales, USA
T-SB-0013-18
Rev1
February 6, 2018
Whine Noise From Rear of Vehicle
Repair Procedure (continued)
D. Install the No. 5 pillar pad on the bottom of the C pillar to the RH and LH sides.
NOTE
Hold the belt with tape to prevent the belt from retracting.
Figure 2. Installation Area
Figure 3. No. 5 Pillar Pad Installed
E. Reinstall ALL components.
Refer to TIS, applicable model and model year Repair Manual:
 2016 / 2017 / 2018 Tacoma:
Vehicle Interior – Interior Panels/Trim – “Interior Roof Headlining
(for Double Cab): Installation”
 2016 / 2017 / 2018 Tacoma:
Vehicle Interior – Seat Belt – “Seat Belt: Rear Seat Outer Belt Assembly
(for Double Cab): Installation”
© 2018 Toyota Motor Sales, USA
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Whine Noise From Rear of Vehicle
Repair Procedure (continued)
Figure 4.
F. Torque the seat belt bolts.
Bolt A
Torque: 12.5 N*m (127 kgf*cm, 9 ft*lbf)
Bolt B
Torque: 42 N*m (428 kgf*cm, 31 ft*lbf)
2
1
Bolt A
2
Bolt B
3. Install the frame dynamic damper.
A. Remove the No. 3 nut cab mount (17 mm) and LH and RH cab mounting cushion stopper.
Figure 5.
Figure 6.
1
2
1
1
No. 3 Cab Mount
1
No. 3 Nut Cab Mount
2
Cab Mounting Cushion Stopper
© 2018 Toyota Motor Sales, USA
T-SB-0013-18
Rev1
February 6, 2018
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Whine Noise From Rear of Vehicle
Repair Procedure (continued)
B. Install the NEW cab mounting cushion
stopper and the NEW frame dynamic
damper to the RH and LH cab mount.
Figure 7.
1
2
C. Retighten the cab mount nut.
Torque: 45 N*m (459 kgf*cm, 33 ft*lbf)
3
4
5
1
Body Mounting Bolt
2
No. 3 Cushion Sub-assy Cab Mounting
3
Cab Mounting Cushion Stopper
4
Fram e Dynam ic Dam per
5
Lock Nut
4. Is the vehicle long wheelbase?
 YES — Continue to substep 4A to replace the rear spring assembly.

NO — Rear spring assembly replacement is NOT required for super long wheelbase.
Go to step 5.
A. Remove the LH and RH rear spring assembly.
Refer to TIS, applicable model and model year Repair Manual:
 2016 / 2017 / 2018 Tacoma:
Suspension – Rear Suspension – “Suspension: Rear Leaf Spring: Removal”
B. Install the NEW LH and RH rear spring assembly.
Refer to TIS, applicable model and model year Repair Manual:
 2016 / 2017 / 2018 Tacoma:
Suspension – Rear Suspension – “Suspension: Rear Leaf Spring: Installation”
5. Warm up and test-drive the vehicle to confirm the condition is addressed.
© 2018 Toyota Motor Sales, USA