TSB005316 Rev1

T-SB-0053-16
Rev1
June 2, 2016
Howling or Whistle Noise from Front Lower Control
Arms
Service
Category
Suspension
Section
Front Suspension
Market USA
Applicability
YEAR(S)
MODEL(S)
2016 - 2017
Tacoma
ADDITIONAL INFORMATION
REVISION NOTICE
January 31, 2017 Rev1:
Applicability has been updated to include 2017 model year Tacoma vehicles.
Any previous printed versions of this bulletin should be discarded.
Introduction
Some 2016 – 2017 model year Tacoma vehicles may exhibit a howling or whistling noise from
the front lower control arms at speeds of about 25 – 45 mph. The noise may be more noticeable
when cross winds are present. Follow the procedure in this bulletin to address this condition.
Warranty Information
OP CODE
BD1601
DESCRIPTION
Install Hole Plugs
TIME
OFP
T1
T2
0.5
48068-04030
48068-04040
48068-04060
48069-04030
48069-04040
48069-04060
59
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.
© 2017 Toyota Motor Sales, USA
Page 1 of 3
T-SB-0053-16
Rev1
June 2, 2016
Page 2 of 3
Howling or Whistle Noise from Front Lower Control Arms
Parts Information
PART NUMBER
PART NAME
QTY
90950-01955
Plug, Hole
6
Required Tools & Equipment
REQUIRED TOOLS & MATERIAL
QUANTITY
Painter’s Tape or Equivalent
1
Repair Procedure
1. Verify there is a howling or whistling noise while driving at speeds of about 25 – 45 mph.
Is the noise present?

YES — Continue to step 2.

NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
2. Place painter’s tape (or equivalent) over the
three 15 mm holes of both of the lower
control arms, then drive the vehicle.
Figure 1.
Is the noise still present?

YES — This bulletin does NOT apply.
Continue diagnosis using the
applicable Repair Manual.

NO — Continue to step 3.
1
© 2017 Toyota Motor Sales, USA
Apply Tape to ONLY These 3 (15 mm) Holes on
BOTH Left and Right Control Arms
T-SB-0053-16
Rev1
June 2, 2016
Page 3 of 3
Howling or Whistle Noise from Front Lower Control Arms
Repair Procedure (Continued)
3. Install the Hole Plugs in the three 15 mm
holes of each lower control arm by pressing
firmly, by hand, on the center of the plug to
ensure the plug is fully seated.
Figure 2.
NOTICE
2
Do NOT use glue or lubrication
during installation.
Ensure NOT ALL holes are covered.
See Figure 2.
1
1
Place a Hole Plug in Each Hole
2
Ensure These Holes are NOT Covered
4. Confirm the condition has been addressed.
© 2017 Toyota Motor Sales, USA