Steering:column shaft upper
Defect Summary
The splined steering shaft may not be sufficiently engaged as designed due to inaccurate drilling of the holes in the frame to which the cab front mount member is bolted. Under certain conditions the steering shaft may disengage. consequence of defect: a jarring impact might cause disengament of the splined shaft resulting in loss of steering control and possibly an accident.
Corrective Action
Replace shafts which measure under the minimum engagement dimensions with longer shaft.
Similar Recalls
Other recalls from Mack Trucks, Inc. or involving Steering.
FAQ: Recall 85V157000
Your rights, the repair process, and what each field on this page means.
What is recall 85V157000?
NHTSA recall 85V157000 was issued by Mack Trucks, Inc. on November 26, 1985. It addresses: Steering:column shaft upper. The recall affects approximately 143 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 85V157000 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.