Hex nuts may be improperly torqued
Defect Summary
Mack trucks, inc. (mack) is recalling certain model year 2014 granite (gu) trucks manufactured january 1, 2013, to october 16, 2013, and equipped with certain drive axles manufactured by marmon-herrington. the affected axles are equipped with hex nuts on the flange yoke that may not have been properly tightened.
Safety Consequence
If the hex nuts are not tightened to specification, the driveshaft may disconnect from the drive axle, resulting in a loss of propulsion and increasing the risk of a crash.
Corrective Action
Mack will notify owners, and dealers will inspect the hex nut, tightening it to proper torque, free of charge. the recall is expected to begin on november 30, 2015. owners may contact mack customer service at 1-800-528-6586. mack's number for this recall is sc0397.
Similar Recalls
Other recalls from Mack Trucks, Inc. or involving Power Train.
FAQ: Recall 15V690000
Your rights, the repair process, and what each field on this page means.
What is recall 15V690000?
NHTSA recall 15V690000 was issued by Mack Trucks, Inc. on October 22, 2015. It addresses: Hex nuts may be improperly torqued. The recall affects approximately 8 vehicles, with the defect involving the Power Train component.
How do I get this recall repaired?
Contact any authorized Mack Trucks, Inc. dealer and reference NHTSA recall ID 15V690000 or the manufacturer campaign number SC0397. 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.