Recalls for 2016 Mack Pinnacle (cxu)

DEFECT #1 - SUSPENSION:FRONT:HUB

Posted on: 2016-12-23
Description
Mack trucks, inc.  (mack) is recalling certain model year 2012, 2014-2015 and 2017 granite (gu), 2012-2017 pinnacle (chu, cxu), and 2013-2015 and 2017 titan (td) trucks manufactured january 7, 2011, to september 29, 2016.  The affected vehicles were built with front wheel hubs that cannot support the gross axle weight rating of the front axle.

Consequence
Overloaded front wheel hubs can result in premature failure of the hubs, bearings, and the related components, which can cause the front hub assembly to separate from the front axle.  Because of this, the driver may lose control of the vehicle or parts may be dropped on the road, increasing the risk of a crash.

Corrective Action
Mack will notify owners, and dealers will replace the hub assemblies, free of charge.  The recall began on february 16, 2017.  Owners may contact mack customer service at 1-800-866-1177.  Mack's number for this recall is sc0406.

Notes
Owners may also contact the national highway traffic safety administration vehicle safety hotline at 1-888-327-4236 (tty 1-800-424-9153), or go to www.safercar.gov.

DEFECT #2 - SUSPENSION:FRONT:HUB

Posted on: 2016-12-23
Description
Mack trucks, inc.  (mack) is recalling certain model year 2012, 2014-2015 and 2017 granite (gu), 2012-2017 pinnacle (chu, cxu), and 2013-2015 and 2017 titan (td) trucks manufactured january 7, 2011, to september 29, 2016.  The affected vehicles were built with front wheel hubs that cannot support the gross axle weight rating of the front axle.

Consequence
Overloaded front wheel hubs can result in premature failure of the hubs, bearings, and the related components, which can cause the front hub assembly to separate from the front axle.  Because of this, the driver may lose control of the vehicle or parts may be dropped on the road, increasing the risk of a crash.

Corrective Action
Mack will notify owners, and dealers will replace the hub assemblies, free of charge.  The recall began on february 16, 2017.  Owners may contact mack customer service at 1-800-866-1177.  Mack's number for this recall is sc0406.

Notes
Owners may also contact the national highway traffic safety administration vehicle safety hotline at 1-888-327-4236 (tty 1-800-424-9153), or go to www.safercar.gov.

DEFECT #3 - STEERING

Posted on: 2017-08-31
Description
Mack trucks, inc.  (mack) is recalling certain 2016 pinnacle chu and cxu diesel trucks equipped with certain dana steer axles.  The castellated nut and cotter pin on the steer axles may not have been properly torqued, allowing the tie rod to loosen within the steer axle.

Consequence
If the tie rod loosens, it may disconnect from the steering knuckle, causing a complete loss of steering, increasing the risk of a crash.

Corrective Action
Mack will notify owners, and dealers will inspect the torque of the castellated nut and tie rod, tightening it as necessary.  If the tie rod stud and knuckle on units cannot be sufficiently torqued, the dealer will replace the knuckle and tie rod end assembly, free of charge.  The recall began on october 17, 2017.  Owners may contact mack customer service at 1-800-866-1177.  Mack's number for this recall is sc0408.

Notes
Owners may also contact the national highway traffic safety administration vehicle safety hotline at 1-888-327-4236 (tty 1-800-424-9153), or go to www.safercar.gov.

DEFECT #4 - STEERING:LINKAGES:TIE ROD ASSEMBLY

Posted on: 2017-08-31
Description
Mack trucks, inc.  (mack) is recalling certain 2016 pinnacle chu and cxu diesel trucks equipped with certain dana steer axles.  The castellated nut and cotter pin on the steer axles may not have been properly torqued, allowing the tie rod to loosen within the steer axle.

Consequence
If the tie rod loosens, it may disconnect from the steering knuckle, causing a complete loss of steering, increasing the risk of a crash.

Corrective Action
Mack will notify owners, and dealers will inspect the torque of the castellated nut and tie rod, tightening it as necessary.  If the tie rod stud and knuckle on units cannot be sufficiently torqued, the dealer will replace the knuckle and tie rod end assembly, free of charge.  The recall began on october 17, 2017.  Owners may contact mack customer service at 1-800-866-1177.  Mack's number for this recall is sc0408.

Notes
Owners may also contact the national highway traffic safety administration vehicle safety hotline at 1-888-327-4236 (tty 1-800-424-9153), or go to www.safercar.gov.