Suspension:independent front attaching mechanisms
Defect Summary
Torque rod bolts are grade 2 instead of grade 5, which is not to specification, and could fail.
Safety Consequence
Bolt failure could allow the rear axle to shift; thiscould adversely affect truck control and could result in a crash.
Corrective Action
Replace torque rod bolts with bolts of the proper specification.
Similar Recalls
Other recalls from Mack Trucks, Inc. or involving Suspension.
FAQ: Recall 89V079000
Your rights, the repair process, and what each field on this page means.
What is recall 89V079000?
NHTSA recall 89V079000 was issued by Mack Trucks, Inc. on May 15, 1989. It addresses: Suspension:independent front attaching mechanisms. The recall affects approximately 100 vehicles, with the defect involving the Suspension component.
How do I get this recall repaired?
Contact any authorized Mack Trucks, Inc. dealer and reference NHTSA recall ID 89V079000 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.