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NHTSA safety investigation

NHTSA Investigation EA04024

Engineering Analysis · Toyota Motor Corporation · SUSPENSION:FRONT:CONTROL ARM:LOWER ARM

ClosedEngineering Analysis

An investigation is not a finding that a defect exists.

NHTSA opens an investigation to examine whether a safety defect may exist. An open investigation is not a determination that a defect exists, and many investigations close without a recall. Investigations can, however, lead to one.

Model years namedModel years in our database that NHTSA associated with this inquiry. Being named in an investigation says nothing about whether an individual vehicle has any problem.
1
1 model
Opened
Aug 20, 2004
Engineering Analysis

What NHTSA is examining

The agency's own description of the inquiry, quoted as published

BALL JOINT SEPARATION

ODI RECEIVED 3 CONSUMER REPORTS OF ALLEGED BALL JOINT SEPARATION ON MY 2002 TUNDRA VEHICLES.THE COMPLAINTS ALLEGE THAT A FRONT SUSPENSION BALL JOINT SEPARATED WHILE DRIVING, WHICH CAUSED THE SUSPENSION TO COLLAPSE AND RESULTED IN A LOSS OF VEHICLE CONTROL.BASED ON THESE COMPLAINTS, ODI OPENED PE02-040 AND LATER UPGRADED TO EA04-024 FOR MY 2002 TUNDRA VEHICLES.DURING EA04-024, ADDITIONAL FAILURE DATA WAS IDENTIFIED AS NOTED IN THE FAILURE REPORT SUMMARY ABOVE. ON MAY 16, 2005, TOYOTA NOTIFIED NHTSA OF A SAFETY DEFECT ON MY 2002-2004 TUNDRA AND SEQUOIA VEHICLES (PRODUCED BETWEEN AUGUST 1, 2001 AND SEPTEMBER 30, 2003), MY 2001-2004 TACOMA VEHICLES (PRODUCED BETWEEN JULY 31, 2001 AND DECEMBER 23, 2003), AND MY 2001-2002 4RUNNER VEHICLES (PRODUCED BETWEEN MAY 22, 2001 AND AUGUST 23, 2002).THE NOTIFICATION STATED THAT DUE TO A MANUFACTURING ISSUE WITH THE FRONT SUSPENSION LOWER BALL JOINTS (WHICH CONNECT THE LOWER CONTROL ARMS TO THE STEERING KNUCKLES OF THE FRONT WHEELS) THERE IS A POSSIBILITY THAT THE SURFACE OF THE BALL OF THE JOINT MAY HAVE BEEN SCRATCHED.SUCH SCRATCHES MAY RESULT IN SIGNIFICANTLY ACCELERATED WEAR OF THE JOINT. ACCORDING TO TOYOTA, IF THE [SUBJECT] VEHICLE IS OPERATED FOR AN EXTENDED PERIOD OF TIME IN THIS CONDITION, THE BALL JOINT MAY EVENTUALLY EXPERIENCE EXCESSIVE WEAR AND LOOSENESS, RESULTING IN INCREASED STEERING EFFORT, REDUCED VEHICLE SELF-CENTERING, AND NOISE IN THE FRONT SUSPENSION.IN EXTREME CASES, WHEN THE DRIVER CONTINUES TO OPERATE THE VEHICLE IN THIS CONDITION, THE LOWER BALL JOINT MAY SEPARATE FROM THE KNUCKLE CAUSING A LOSS OF VEHICLE STEERING CONTROL. TOYOTA WILL INSTRUCT OWNERS TO RETURN THEIR VEHICLES TO ANY TOYOTA DEALER FOR REPLACEMENT OF THE FRONT SUSPENSION LOWER BALL JOINTS.ODI WILL MONITOR THE EFFECTIVENESS OF THE REMEDY AND TAKE FURTHER ACTION IF WARRANTED.

An investigation is a separate record from a recall and from a manufacturer communication. A manufacturer campaign to repair a safety defect or a failure to meet a federal safety standard.

Investigation details

Identifiers, dates and outcome as recorded by NHTSA

Action number
EA04024
Investigation type
Engineering Analysis (EA)
Status
Closed
Manufacturer
Toyota Motor Corporation
Component
SUSPENSION:FRONT:CONTROL ARM:LOWER ARM
Opened
Aug 20, 2004
Closed
Jul 8, 2005
Associated recall campaign
05V225000

Vehicles named in this investigation

1 model year across 1 model

Being named here means NHTSA included the vehicle in the scope of its inquiry. It is not a statement that these vehicles have a defect.