NHTSA ID Number: 10133948
Manufacturer Communication Number: T-SB-0249-12
TSB/Document Date: 2018-04-23
Summary
Some vehicles may exhibit a vibration felt in the seat, floorboard, and/or steering wheel around 15-25 MPH caused by a second order driveline vibration. Use the following procedure to address this condition.
T-SB-0249-12 December 21, 2012
CP) TOYOTA
Technical Service Bulletin
Driveline Vibration Between 15 - 25 MPH
Service .
Category Drivetrain
Section Drive Shait/Propeller Shaft
Market USA
Toyota Supports
ASE Certification
Applicability
YEAR(S) MODEL(S)
ADDITIONAL INFORMATION
2005 — 2013 Tacoma
Body Type(s): Double Cab, Access Cab
Drive Type(s): 2WD, 4WD
Engine(s}: 1GR, 2TR
Transmission(s): 5AT, 44T
VDS(s): JU4GN, JU62N, JX4CN, JX4GN, KU4HN,
KU72N, LU42N, LU4EN, MU4FN, MU52N, TU22N,
TUAGN, TU62N, TX22N, TX4CN, TX4GN, UU42N,
UU4EN
SUPERSESSION NOTICE
The information contained in this bulletin supersedes SB No. T-SB-0132-08.
* Applicability has been updated to include 2009 — 2013 model year Tacoma vehicles.
° The entire bulletin has been updated.
Service Bulletin No. T-SB-0132-08 is Obsolete and any printed versions should be discarded. Be
sure to review the entire content of this bulletin before proceeding.
Introduction
Some vehicles may exhibit a vibration felt in the seat, floorboard, and/or steering wheel around
15 — 25 mph caused by a second order driveline vibration. Use the following procedure to address
this condition.
© 2012 Toyota Motor Sales, USA Page 1 of 9
CP) TOYOTA
T-SB-0249-12
Driveline Vibration Between 15 - 25 MPH
December 21, 2012
Page 2 of 9
Warranty Information
OP CODE DESCRIPTION TIME OFP v1 T2
12371-0P040
12371-0P041
. 12371-00140
EG8032 R & R Engine Mount 1.0 42371-0P030
12371-00170
1237 1-00 160
48210-35420
48210-35A40
48210-04551
48210-04561 9B 57
48210-04550
. 48210-AD020
$U1222 R & R Leaf Springs 1.4 48210-04630
48210-04380
48210-04620
48210-04560
48210-04540
48210-04561
$T1202 Install Steering Wheel Damper 0.6 45713-35050
APPLICABLE WARRANTY
* EG8032 (R & R Engine Mount): 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.
¢ §U1222 (R & R Leaf Springs) and $T1202 (Install Steering Wheel Damper): 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 appiication is limited to occurrence of the specified condition described in this
bulletin.
® 2012 Toyota Motor Sales, USA
GP TOYOTA T-SB-0249-12 December 21, 2012 Page 3 of 9
Driveline Vibration Between 15 - 25 MPH
Parts Information
DRIVETRAIN PREVIOUS PART CURRENT PART
APPLICATION NUMBER NUMBER ua lS ary
2WD V6 12371-31240 Same 1
4wD V6 12371-31250 Same Insulator, Engine Mounting, RR 1
ZWD 14 12371-75170 Same 1
. 48210-35A80 Same Spring Assy, RR RH 1
4 Leaf Spring -
48220-35060 Same Spring Assy, RR LH 1
. 48210-35A90 Same Spring Assy, RR RH 1
3 Leaf Spring
48220-35070 Same Spring Assy, RR LH 4
on 45713-35050 Same Damper, Steering Shake 1
90080-15079 Same Screw, wiWasher 2
Repair Procedure
1. Test drive the vehicle and confirm if a vibration is felt between 15 — 25 mph while accelerating,
decelerating, or while maintaining vehicle speed.
HINT
On 4WD trucks the following method can be used to confirm if this bulletin applies to the
vehicle:
° Shift into 4WD High.
* Lock the center differential.
* Remove the rear driveshaft and test drive the vehicle.
© The vibration will be completely eliminated if condition is a 2nd order driveshaft vibration.
Does vibration occur between 15 — 25 mph?
* YES — This bulletin does apply. Go to step 2.
* NO— This bulletin does NOT apply. Continue diagnosis using the applicable Repair
Manual as necessary.
© 2012 Tayota Motor Sales, USA
GP) TOYOTA
T-SB-0249-12 December 21, 2012
Driveline Vibration Between 15 - 25 MPH
Page 4 of 9
Repair Procedure (Continued)
2. Replace the Rear Engine Insulator (Rear Transmission Mount).
Refer to the Technical !nformation System (TIS), applicable model and model year Repair
Manual:
* 2005 Tacoma:
Drivetrain — Automatic Transmission/Transaxle — “Automatic Transmission Assy (A340E) /
{A750E): Replacement”
* 2006 — 2012 Tacoma:
Drivetrain — Automatic Transmission/Transaxle — “A340E / A750E Automatic Transmission:
Automatic Transmission Assembly: Removal / Installation”
2006 Tacoma {A340E)}: Removal / Installation
2006 Tacoma {A750E): Removal / Installation
2007 Tacoma ({A340E): Removal / Instatlation
2007 Tacoma (A750E): Removal / Instailation
2008 Tacoma (A340E): Removal / Installation
2008 Tacoma (A750E): Removal / Installation
2009 Tacoma (A340E): Removal / Installation
2009 Tacoma (A750E): Removal / Instaltation
2010 Tacoma (A340E): Removal / Installation
2010 Tacoma (A750E): Removal / installation
2011 Tacoma (A340E): Removal / installation
2011 Tacoma (A750E): Removai / Installation
2011 Tacoma (A750F): Removal / Installation
2012 Tacoma (A340E): Removal / Installation
2012 Tacoma (A750E): Removal / Installation
2012 Tacoma {A750F): Removal / Installation
2013 Tacoma {A340E): Removal / Installation
2013 Tacoma (A750E): Removal / Installation
2013 Tacoma (A750F): Removal / installation
© 2012 Toyota Motor Sales, USA
GP) TOYOTA T-SB-0249-12 December 21, 2012 Page 5 of 9
Driveline Vibration Between 15 - 25 MPH
Repair Procedure (Continued)
HINT
Refer to Figures 1 and 2 to confirm the proper part identification by examining the label on the
part, and for the proper positioning of the new engine mount in ATM equipped trucks.
Figure 1. 2WD Rear Engine Insulator Figure 2. 4WO Rear Engine Insulator
1 Front of Vehicle
1 | Front of Vehicle 2 | Label
2 | babel ENGINE LD.ON LABEL LASEL COLOR
ENGINE 1D.ON LABEL LABEL COLOR 1GR VA Green
27TR RA Purple
1GR VA Green
3. Test drive the vehicle after rear engine mount installation and confirm if a vibration is felt between
15 — 25 mph while accelerating, decelerating, or while maintaining vehicle speed.
Is a vibration still felt between 15 - 25 mph?
YES — Go to step 4.
NO — Repair is complete.
© 2012 Toyota Motor Sales, USA
CY TOYOTA T-SB-0249-12 December 21, 2012 Page 6 of 9
Driveline Vibration Between 15 - 25 MPH
Repair Procedure (Continued)
4. Replace the rear leaf springs.
Refer to TIS, applicable model and model year Repair Manual:
* 2005 Tacoma:
Suspension — Rear Suspension — “Rear LH Spring Assy: Overhaul!"
* 2006 — 2012 Tacoma:
Suspension — Rear Suspension — “ Suspension: Rear Leaf Spring: Removal / Installation”
* 2006 Tacoma: Removal / Installation
* 2007 Tacoma: Removal / Installation
* 2008 Tacoma: Removal / Installation
* 2009 Tacoma: Removal / Installation
* 2010 Tacoma: Removal / Installation
* 2011 Tacoma: Removal / Installation
* 2012 Tacoma: Removal / Installation
¢« 2013 Tacoma: Removal / Instaliation
5. Test drive the vehicle after rear leaf spring replacement and confirm if a vibration is felt between
15 — 25 mph while accelerating, decelerating, or while maintaining vehicle speed.
Is a vibration still felt between 15 — 25 mph?
* YES — Go te step 6.
* NO— Repair is complete.
6. Install the steering wheet damper.
A. Remove the steering wheel pad.
NOTICE
Wait at LEAST 90 seconds after the ignition switch is turned to the LOCK position and
the negative (-) terminal cable is disconnected from the battery before performing this
procedure.
Refer to TIS, applicable model and model year Repair Manual:
* 2005 Tacoma:
Vehicle Exterior — Horn - “Horn Button Assy: Replacement”
© 2012 Toyota Motor Sales, USA
CPTOYOTA T-SB-0249-12 December 21, 2012 Page 7 of 9
Driveline Vibration Between 15 - 25 MPH
Repair Procedure (Continued)
* 2006 / 2007 / 2008 / 2009 / 2010 / 2011 (to 12/2010) / 2011 (from
12/2010) / 2012 / 2013 Tacoma:
Vehicle Interior — Supplemental Restraint Systems — "Supplemental Restraint System:
Steering Pad: Removal”
B. Remove the steering wheel switch wire harness retainer bracket (only for vehicles with
steering wheel mounted switches).
Is the steering whee! switch wire harness retainer bracket present? (See Figure 3.)
¢ YES — Proceed with removal of the bracket.
* NO— Proceed to step C.
Figure 3.
1 | Steering Wheel Switch Wire Hamess Retainer Bracket
© 2012 Toyota Motor Sales, USA
CP TOYOTA T-SB-0249-12 December 21, 2012 Page 8 of 9
Driveline Vibration Between 15 - 25 MPH
Repair Procedure (Continued)
C. Instali the steering wheel damper with 2 new screws in the location shown in Figure 4.
CAUTION
q Use care when handling the drivers airbag wire harness during steering wheel damper
# installation.
Torque: 2.35 N*m (24 kgf*cm, 20.8 in*Ibf)
Figure 4.
t Damper 4 | Screw
2 | Steering Wheel Switch Wire Harness 5 | Drivers Airbag Wire Harness
3. | Wire Retainer Hooks
NOTE
Secure the steering wheel switch wires to the steering wheel damper bracket hooks as
seen in Figure 4.
© 2012 Toyota Motor Sales, USA
CP) TOYOTA T-SB-0249-12 December 21, 2012 Page 9 of 9
Driveline Vibration Between 15 - 25 MPH
Repair Procedure (Continued)
D. Install the steering wheel pad.
Refer to TIS, applicable model and model year Repair Manual:
* 2005 Tacoma:
Vehicle Exterior — Horn - “Horn Button Assy: Replacement”
* 2006 / 2007 / 2008 / 2009 / 2010 / 2011 (to 12/2010} / 2041 (from
12/2010) / 2012 / 2013 Tacoma:
Vehicle Interior —- Supplemental Restraint Systems — "Supplemental Restraint System:
Steering Pad: Installation”
7. Test drive and confirm the repair.
© 2012 Toyota Motor Sales, USA
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TSB/Document ID: T-SB-0249-12
Replacement Service Bulletin Number:
MFR Communication Date: 2012-12-21
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: STEERING: STEERING WHEEL/HANDLE BAR
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