T-SB-0074-19_Rev

T-SB-0074-19
Rev1
July 1, 2019
Rear Differential Whine/Groan Noise at 40 - 60 mph
Service
Category
Drivetrain
Section
Axle/Differential
Market USA
Applicability
YEAR(S)
MODEL(S)
2014 - 2019
4Runner
ADDITIONAL INFORMATION
REVISION NOTICE
March 02, 2020 Rev1:
 The Parts Information section has been updated.
Any previous printed versions of this bulletin should be discarded.
Introduction
Some 2014 – 2019 model year 4Runner vehicles may exhibit a whine/groan noise from the rear
of the vehicle. This condition may occur while driving at approximately 40 – 60 mph at a
consistent speed, slight acceleration, or slight deceleration. This condition may be caused by rear
differential vibration transferring through the chassis and body. Follow the Repair Procedure in
this bulletin to improve this condition.
Production Change Information
The Production Change Effective VIN shown below defines which vehicles are applicable to the
repair. ANY vehicle with a VIN BEFORE the Production Change Effective VIN is pre-countermeasure
and ANY vehicle with a VIN AFTER the Production Change Effective VIN is post-countermeasure.
MODEL
PLANT
DRIVETRAIN
PRODUCTION CHANGE EFFECTIVE VIN
4Runner
Tahara
4WD
JTEBU5JR#K5687318
© 2020 Toyota Motor Sales, USA
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Rear Differential Whine/Groan Noise at 40 - 60 mph
Warranty Information
OP CODE
DESCRIPTION
TIME
SU1905
Pre-countermeasure Vehicle
(All Trim Except TRD Pro and Off Road)
5.0
Combo A
If Equipped With Third-row Seat
0.5
SU1906
Pre-countermeasure Vehicle
(TRD Pro and Off Road)
2.5
Combo A
If Equipped With Third-row Seat
0.5
SU1907
Post-countermeasure Vehicle
2.3
Combo A
If Equipped With Third-row Seat
0.5
SU1908
Post-countermeasure Vehicle (2WD)
1.5
Combo A
If Equipped With Third-row Seat
0.5
OFP
T1
T2
41110-35C80
91
14
APPLICABLE WARRANTY
 This repair is covered under the Toyota Powertrain Warranty. This warranty is in effect for
60 months or 60,000 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
Table 1. Pre-countermeasure Vehicles
PART NUMBER
GRADE
PREVIOUS
PART NAME
QTY
NEW
All (Excluding TRD Pro and
Off Road With Diff Lock)
41110-35C80
Carrier Assy, Differential
1
All (Excluding TRD Pro and
Off Road With Diff Lock
08885-02506
Toyota Genuine Differential
Gear Oil LT 75W-85 GL-5
3
All (Excluding TRD Pro and
Off Road With Diff Lock
42181-60140
Gasket,
Rear Differential Carrier
1
90560-12070
Spacer (Body Mass)
8
Bolt, Body Mounting
(Rear End)
2
All
52217-35180
52217-60070
58651-35050
1
58653-35010
5-Seater (Add)
58661-35010
58663-35010
© 2020 Toyota Motor Sales, USA
1
Sheet, RR Floor Silencer
1
1
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Rear Differential Whine/Groan Noise at 40 - 60 mph
Parts Information (continued)
Table 1. Pre-countermeasure Vehicles (continued)
PART NUMBER
GRADE
PART NAME
PREVIOUS
58651-35050
7-Seater (Add)
3
58653-35010
Sheet, RR Floor Silencer
58655-35010
Part Time 4WD (Add)
37110-35A90
QTY
NEW
1
1
37110-60B60
1
Shaft Assy, Propeller
Full Time 4WD (Limited Trim) (Add)
37110-35A80
37110-35A30
1
Table 2. Post-countermeasure Vehicles
PART NUMBER
GRADE
PREVIOUS
90560-12070
All
Part Time 4WD (Add)
PART NAME
QTY
Spacer (Body Mass)
8
Bolt, Body Mounting
(Rear End)
2
NEW
52217-35180
52217-60070
37110-35A90
37110-60B60
1
Shaft Assy, Propeller
Full Time 4WD (Limited Trim) (Add)
37110-35A80
37110-35A30
1
Required Tools & Equipment
REQUIRED EQUIPMENT
SUPPLIER
Techstream ADVi*
PART NUMBER
TSADVUNIT
Techstream 2.0
TS2UNIT
ADE
1
Techstream Lite
TSLITEPDLR01
Techstream Lite (Green Cable)
TSLP2DLR01
*Essential SST.
NOTE
 Only ONE of the Techstream units listed above is required.
 Software version 14.30.022 or later is required.
 Additional Techstream units may be ordered by calling Approved Dealer Equipment (ADE)
at 1-800-368-6787.
© 2020 Toyota Motor Sales, USA
QTY
T-SB-0074-19
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Rear Differential Whine/Groan Noise at 40 - 60 mph
Repair Procedure
1. Confirm the condition exists.
Does the vehicle exhibit a whine/groan noise from the rear while driving at approximately
40 – 60 mph at a consistent speed, slight acceleration, or slight deceleration?

YES — Continue to step 2.

NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
2. Based on the VIN, is the vehicle pre-countermeasure or post-countermeasure?
A. If pre-countermeasure, continue to step 3.
B. If post-countermeasure, go to step 4.
3. Install the dampening pads.
A. Remove the third-row seat if equipped.
Refer to TIS, applicable model and model year Repair Manual:
 2014 / 2015 / 2016 / 2017 / 2018 / 2019 4Runner:
Vehicle Interior – Seat – “Seat: Rear No. 2 Seat Assembly: Removal”
B. Lift the trunk carpet to access the metal floor of the trunk.
© 2020 Toyota Motor Sales, USA
T-SB-0074-19
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Rear Differential Whine/Groan Noise at 40 - 60 mph
Repair Procedure (continued)
C. Install the dampening pads using the appropriate diagram.
Figure 1. Five-person Vehicle
1
c
2
c
3
c
4
5
6
1
Apply Dampening Pad (58651-35050)
2
Apply Fit Pad (58661-35010) Directly on
Top of Dampening Pad
3
Apply Dampening Pad (58653-35010)
4
Apply Fit Pad (58663-35010) Directly on
Top of Dampening Pad
5
Rear of Vehicle
6
Existing Dampening Material
Figure 2. Seven-person Vehicle
1
c
2
c
4
c
3
c
1
Apply Dampening Pad (58655-35010)
2
Apply Dampening Pad (58653-35010)
3
Apply Dampening Pad (58651-35050)
4
Rear of Vehicle
© 2020 Toyota Motor Sales, USA
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Rear Differential Whine/Groan Noise at 40 - 60 mph
Repair Procedure (continued)
4. Install body mass to cab mounts Nos. 3, 4, 5, and 6.
A. Remove both left-hand and right-hand deck trim side panels to access the bolts.
B. On cab mounts Nos. 5 and 6, add body mass and replace the bolts with
extended bolts (52217-60070).
C. On cab mounts Nos. 3 and 4, add body mass and reuse the bolts.
D. Reuse ALL washers and nuts.
Torque: 56N*m (553 kg*cm, 40 ft*lb)
Figure 3.
Figure 4.
1
c
6
c
2
c
4
1
c
3
c
3
c
5
c
2
c
4
c
1
Install Body Mass to Cab Mounts
Nos. 3 and 5
2
Cab Mount No. 5*
3
Rear of Vehicle
4
Cab Mount No. 3
*Change out cab mount No. 5 to longer bolt.
1
Install Body Mass to Cab Mounts
Nos. 4 and 6
2
Cab Mount No. 6*
3
Rear of Vehicle
4
Reuse Washer and Nut
5
Add Mass (2) (90560-12070)
6
Cab Mount No. 4
*Change out cab mount No. 6 to longer bolt.
© 2020 Toyota Motor Sales, USA
T-SB-0074-19
Rev1
July 1, 2019
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Rear Differential Whine/Groan Noise at 40 - 60 mph
Repair Procedure (continued)
5. Based on the VIN, is the vehicle pre-countermeasure or post-countermeasure?
A. If post-countermeasure, go to step 6.
B. If pre-countermeasure, replace the rear differential.
NOTE
Go to step 6 if the vehicle is TRD Pro or Off Road.
(1) Remove the rear differential.
Refer to TIS, applicable model and model year Repair Manual:
 2014 / 2015 / 2016 / 2017 / 2018 / 2019 4Runner:
Drivetrain – Axle/Differential – “Axle and Differential: Rear Differential Carrier
Assembly (w/o Differential Lock): Removal”
NOTE
If the vehicle is 2WD, do NOT replace the propeller shaft.
(2) Install the NEW rear differential.
Refer to TIS, applicable model and model year Repair Manual:
 2014 / 2015 / 2016 / 2017 / 2018 / 2019 4Runner:
Drivetrain – Axle/Differential – “Axle and Differential: Rear Differential Carrier
Assembly (w/o Differential Lock): Installation”
(3) Go to step 7.
NOTE
Skip step 6 if the vehicle is 2WD.
6. Replace the propeller shaft.
A. Remove the propeller shaft.
Refer to TIS, applicable model and model year Repair Manual:
 2014 / 2015 / 2016 / 2017 / 2018 / 2019 4Runner:
Drivetrain – Drive Shaft/Propeller Shaft – “Drive Shaft / Propeller Shaft: Propeller
Shaft Assembly (for 4WD): Removal”
B. Install the NEW propeller shaft.
Refer to TIS, applicable model and model year Repair Manual:
 2014 / 2015 / 2016 / 2017 / 2018 / 2019 4Runner:
Drivetrain – Drive Shaft/Propeller Shaft – “Drive Shaft / Propeller Shaft: Propeller
Shaft Assembly (for 4WD): Installation”
© 2020 Toyota Motor Sales, USA
T-SB-0074-19
Rev1
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Rear Differential Whine/Groan Noise at 40 - 60 mph
Repair Procedure (continued)
7. Reinstall the third-row seat if equipped.
Refer to TIS, applicable model and model year Repair Manual:

2014 / 2015 / 2016 / 2017 / 2018 / 2019 4Runner:
Vehicle Interior – Seat – “Seat: Rear No. 2 Seat Assembly: Installation”
8. Confirm the whine/groan noise at 40 – 60 mph has improved.
© 2020 Toyota Motor Sales, USA
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