Steering:power:shaft lower worm
Defect Summary
Trw supplied power steering gears with non-heat-treated worm screws. The steering gears without heat treated worm screws can lock up in tight turning maneuvers.
Safety Consequence
Lock ups of the steering gear causes loss of steeringcontrol and could result in an accident.
Corrective Action
Replace the non-heat-treated worm screws.
Similar Recalls
Other recalls from Paccar Incorporated or involving Steering.
FAQ: Recall 91V210000
Your rights, the repair process, and what each field on this page means.
What is recall 91V210000?
NHTSA recall 91V210000 was issued by Paccar Incorporated on December 3, 1991. It addresses: Steering:power:shaft lower worm. The recall affects approximately 950 vehicles, with the defect involving the Steering component.
How do I get this recall repaired?
Contact any authorized Paccar Incorporated dealer and reference NHTSA recall ID 91V210000 or the manufacturer campaign number NR (Not Reported). Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.