2018 Mack Anthem (An) recalls

Defect: Mack Trucks, Inc. (Mack) is recalling certain 2018-2022 Anthem (AN), Granite (GR/GU), and Pinnacle (CHU/CXU/PI) vehicles equipped with "camelback" rear suspension and electronic stability control. The vehicles may not stay in their lane at certain speeds. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 136, "Electronic Stability Control Systems on Heavy Vehicles.".

Why it matters: A vehicle that drifts out of its lane increases the risk of a crash.

Mack will notify owners, and dealers will reprogram the vehicle control units, free of charge. The recall began on April 21, 2021. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0423.

Owner notification: April 21, 2021 · Filing manufacturer: Mack Trucks, Inc.

Defect: Mack Trucks Inc. (Mack) is recalling one 2014 Pinnacle (CXU) vehicle and certain 2018-2019 Mack Anthem (AN) vehicles equipped with air brake supply tanks that have an air volume amount ranging from 70% to 96% of the amount required by the regulation. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Brake Systems.".

Why it matters: The undersized air brake supply reservoir may provide an insufficient air supply to properly operate the brakes during repetitive brake applications, reducing braking performance and increasing the risk of a crash.

Mack will notify owners and dealers will add an air tank to the affected vehicles, free of charge. The recall began April 10, 2019. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0417.

Owner notification: April 10, 2019 · Filing manufacturer: Mack Trucks, Inc.

Defect: Mack Trucks, Inc. (Mack) is recalling certain 2018 Anthem (AN) and Pinnacle (CXU) vehicles, equipped with an automated manual transmission. An internal component in the clutch assembly may fail, possibly resulting in unintended vehicle movement.

Why it matters: Unintended vehicle movement can increase the risk of a crash.

Mack has notified owners, and dealers will update the software or replace the clutch, as necessary, free of charge. The recall began on January 25, 2019. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0415.

Owner notification: January 25, 2019 · Filing manufacturer: Mack Trucks, Inc.

Defect: Mack Trucks, Inc. (Mack) is recalling certain 2018 Anthem (AN), Granite (GU), and Pinnacle (CXU, PI) trucks. An electrical overload condition may cause the light control module (LCM) to fail, resulting in the loss of the exterior lighting, interior dashboard lighting, and the windshield wipers.

Why it matters: Loss of lighting or windshield wiper function can increase the risk of a crash.

Mack will notify owners, and dealers will replace and reprogram the LCM, free of charge. The recall began on March 23, 2018. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0409.

Owner notification: March 23, 2018 · Filing manufacturer: Mack Trucks, Inc.