Steering:power:shaft pitman
Defect Summary
Mounting of the pitman arm may loosen and lead to excessive wear in either the pitman arm splines or the steering gear shaft splines, or both. This condition is due to incorrect tightening of the mounting screws during assembly.
Corrective Action
The dealer will inspect and properly tighten the pitman arm retaining screws.
Similar Recalls
Other recalls from Mack Trucks, Inc. or involving Steering.
FAQ: Recall 83V121000
Your rights, the repair process, and what each field on this page means.
What is recall 83V121000?
NHTSA recall 83V121000 was issued by Mack Trucks, Inc. on November 18, 1983. It addresses: Steering:power:shaft pitman. The recall affects approximately 1,377 vehicles, with the defect involving the Steering component.
How do I get this recall repaired?
Contact any authorized Mack Trucks, Inc. dealer and reference NHTSA recall ID 83V121000 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.