NHTSA Investigation
EA04024
BALL JOINT SEPARATION
Key Takeaways
- Investigation EA04024 currently maps to 1 tracked vehicle-year page across 1 make.
- This page summarizes the public investigation subject, status, timing, and affected tracked vehicles linked from NHTSA source data.
- The linked component on this record is suspension:front:control arm:lower arm.
- This investigation record also references recall campaign 05V225000.
What This Investigation Page Shows
This page summarizes a public NHTSA investigation record tied to one or more tracked vehicle-year pages in our database. Investigation records sit between owner complaints and recall campaigns: they can remain open, close without a recall, or connect to a later remedy action. Use this page to see which tracked vehicles are linked to the record, then open the individual vehicle pages for complaints, recalls, and crash test context.
Investigation Summary
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.
Manufacturer listed on the source record: Toyota Motor Corporation
Component listed on the source record: SUSPENSION:FRONT:CONTROL ARM:LOWER ARM
Affected Vehicles (1)
| Year | Make | Model |
|---|---|---|
| 2002 | Toyota | Tundra |
Browse Affected Vehicles
Affected Models
Affected Years
All data is sourced from NHTSA public records. This site is not affiliated with, endorsed by, or operated by the National Highway Traffic Safety Administration or any government agency. Complaints are unverified consumer reports submitted to NHTSA and may not reflect confirmed defects. For official information, visit nhtsa.gov.
Data synced from NHTSA on May 4, 2026