T-SB-0013-18

T-SB-0013-18
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 - 2017
Tacoma
Body Type(s): D CAB
Introduction
Some 2016 – 2017 model year Tacoma Double Cab 4WD vehicles equipped with a BD22 rear
differential may exhibit a whine type 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.
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
SU1702
R & R Leaf Spring Assy
T1
T2
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.
© 2018 Toyota Motor Sales, USA
Page 1 of 6
T-SB-0013-18
February 6, 2018
Page 2 of 6
Whine Noise From Rear of Vehicle
Parts Information
PART NUMBER
WHEELBASE
T/M
GRADE
PART NAME
QTY
PREVIOUS
NEW
48210-04810
48210-04850
Spring Assy, Rear RH
48220-04450
48220-04490
Spring Assy, Rear LH
All Except
TRD Pro
48210-04710
48210-04600
Spring Assy, Rear RH
48220-04350
48220-04240
Spring Assy, Rear LH
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
52216-04020
Stopper, Cab Mounting Cushion
2
TRD Pro
1
MT
Long
AT
Long,
Super Long
1
MT
All
AT
TRD Off-road,
TRD Pro
MT
All
AT
TRD Off-road,
TRD Pro
MT
All
52216-04040
AT
TRD Off-road,
TRD Pro
52216-04020
–
Repair Procedure
1. Confirm the condition exists.
Does the vehicle exhibit a whine type noise from the rear of the vehicle while driving around
50 mph 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
February 6, 2018
Page 3 of 6
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 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 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
February 6, 2018
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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 Tacoma:
Vehicle Interior – Interior Panels/Trim – “Interior Roof Headlining
(for Double Cab): Installation”
 2016 / 2017 Tacoma:
Vehicle Interior – Seat Belt – “Seat Belt: Rear Seat Outer Belt Assembly
(for Double Cab): Installation”
F. Torque the seat belt bolts.
Figure 4.
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
© 2018 Toyota Motor Sales, USA
T-SB-0013-18
February 6, 2018
Page 5 of 6
Whine Noise From Rear of Vehicle
Repair Procedure (continued)
3. Install the frame dynamic damper.
A. Remove and discard 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
B. Install the NEW cab mounting cushion
stopper and the NEW frame dynamic
damper to the RH and LH cab mount.
1
No. 3 Nut Cab Mount
2
Cab Mounting Cushion Stopper
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
© 2018 Toyota Motor Sales, USA
T-SB-0013-18
February 6, 2018
Page 6 of 6
Whine Noise From Rear of Vehicle
Repair Procedure (continued)
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 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 Tacoma:
Suspension – Rear Suspension – “Suspension: Rear Leaf Spring: Installation”
5. Warm up and test drive the vehicle to confirm the condition is no longer present.
© 2018 Toyota Motor Sales, USA