Mack Trucks, Inc.: Safety Recalls in 2013
Updated on March 19, 2026.
There were 6 safety recalls made by Mack Trucks, Inc. in 2013. See the details of the recalls below.
You can also see similar information for other manufacturers.
Data Source: NHTSA.
December 20, 2013
(Campaign #: SC0374)
Automatic Over-Speed Protection System
Mack Trucks, Inc. (Mack) is recalling certain model year 2014 CXU tractor trailers manufactured June 21, 2013, through October 4, 2013 and equipped with an automatic over-speed protection system. In the affected vehicles, the protection system, designed to monitor diesel engine speed and shutdown the engine should it rev excessively, may be wired incorrectly and may not operate as designed.
NHTSA ID: 13V641000
Component: ENGINE AND ENGINE COOLING
# of Units Affected: 35
Consequence Summary:
Without a system to control the engine speed, if airborne hydrocarbons (combustible vapors) enter through the air intake, excessive engine speed may result in a catastrophic engine failure and/or engine fire.
Corrective Action:
Mack will notify owners, and dealers will correct the system wiring, free of charge. The recall began on February 20, 2014. Owners may contact Mack Trucks at 1-336-393-2000. Mack's number for this recall is SC0374.
Park Outside Advisory: No
Do not Drive Advisory: No
Completion Rate (%): 94.29
November 29, 2013
(Campaign #: SC0373)
Seat Belt may be Difficult to Unlatch/FMVSS 209
Mack Trucks, Inc. (Mack) is recalling certain model year 2014 CXU and MRU trucks manufactured August 12, 2013, through October 9, 2013 and equipped with IMMI-brand L9 seat belt buckles. When the button is pressed to release the seat belt, the latch plate can become partially engaged with the buckle, making the seat belt difficult to unlatch. Thus, these vehicles fail to conform to the requirements of Federal Motor Vehicle Safety Standard (FMVSS) No. 209, "Seat Belt Assemblies."
NHTSA ID: 13V619000
Component:
# of Units Affected: 39
Consequence Summary:
If the latch plate remains partially engaged after the button is pressed, egress from the vehicle could be hindered which would increase the risk of injury in the event of an emergency.
Corrective Action:
Mack will notify owners, and dealers will inspect the seat belt buckle, and if necessary, replace the seat belt buckles, free of charge. The recall began on January 30, 2014. Owners may contact Mack Trucks at 1-336-393-2000. This is Mack Recall No. SC0373.
Park Outside Advisory: No
Do not Drive Advisory: No
Completion Rate (%): 82.05
October 17, 2013
(Campaign #: SC0371)
Loose Spindle Nuts may cause Hub Separation
Mack Trucks is recalling certain model year 2013-2014 CHU, CXU, GU, LEU, and MRU vehicles manufactured with pro-torque axle spindle nuts from August 28, 2012, through August 16, 2013. The pro-torque nut may not have been installed correctly, which may result in a loosening of the nut.
NHTSA ID: 13V492000
Component: POWER TRAIN
# of Units Affected: 1,155
Consequence Summary:
If the nut comes loose, the hub assembly may separate from the vehicle, increasing the risk of a crash.
Corrective Action:
Mack Trucks will notify owners, and dealers will inspect and repair the vehicles, as necessary, free of charge. The recall began on November 12, 2013. Mack's recall number is SC0371. Owners may contact Mack Trucks at 1-336-393-2000.
Park Outside Advisory: No
Do not Drive Advisory: No
Completion Rate (%): 90.13
October 17, 2013
(Campaign #: SC0372)
Steering Shaft May Loosen
Mack Trucks is recalling certain model year 2014 CXU and GU model vehicles manufactured May 10, 2013, through June 12, 2013. The upper and lower steering shaft pinch bolts may have not been torqued to specification. This may cause the steering shaft to come loose.
NHTSA ID: 13V493000
Component:
# of Units Affected: 535
Consequence Summary:
A loose steering shaft would result in a loss of steering control, increasing the risk of a crash.
Corrective Action:
Mack Trucks will notify owners, and dealers will inspect the steering shaft pinch bolts and retorque them as necessary, free of charge. The recall began on December 11, 2013. Mack's recall number is SC0372. Owners may contact Mack Trucks at 1-336-393-2000.
Park Outside Advisory: No
Do not Drive Advisory: No
Completion Rate (%): 91.78
May 13, 2013
(Campaign #: SC0370)
Possible Partial Loss of Brake Function
Mack Trucks, Inc. is recalling certain model year 2013-2014 CHU, CXU, GU, MRU, and LEU trucks manufactured July 16, 2012, through march 18, 2013 and equipped with drum brakes. The clevis pin for the brake slack adjuster may be missing a cotter pin. If the cotter pin is not installed, the clevis pin may loosen and fall out causing a loss of brake function on the affected wheel.
NHTSA ID: 13V195000
Component:
# of Units Affected: 5,203
Consequence Summary:
A loss of brake function at one wheel will lead to increased stopping distances and pulling to the left or right when braking, which may increase the risk of a crash.
Corrective Action:
Mack Trucks, Inc. will notify owners, and dealers will inspect the brake slack adjusters and install the brake hardware, as necessary, free of charge. An interim was mailed to owners on June 20, 2013. A second notice was mailed to owners on September 30, 2013. Owners may contact Mack Trucks at 1-800-528-6586. Mack Trucks' recall campaign number is SC0370.
Park Outside Advisory: No
Do not Drive Advisory: No
April 22, 2013
(Campaign #: SC0369)
Leaking Brake Pressure may Lead to Wheel End Fire
Mack Trucks, Inc. is recalling certain model year 2011-2013 CXU trucks manufactured November 23, 2010, through March 19, 2012. These vehicles are equipped with an MGM Type 24 J-series piston parking brake chamber. In the affected axles, the brake chambers may leak pressure allowing the parking brake to drag when it is supposed to be released. Brake dragging could lead to overheated brake components.
NHTSA ID: 13V153000
Component: PARKING BRAKE
# of Units Affected: 331
Consequence Summary:
Overheated brake components could result in a fire.
Corrective Action:
Mack Trucks will notify owners and the brake chambers will be replaced as needed, free of charge. The safety recall is expected to begin on, or before, June 17, 2013. Owners may contact Mack at 1-800-866-1177. Mack Truck's campaign recall number is SC0369.
Park Outside Advisory: No
Do not Drive Advisory: No
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