Mack Granite (GR) recalls

What is wrong

Mack Trucks, Inc. (Mack) is recalling certain 2026 Anthem (AN), 2026-2027 Pioneer PR (4), Pinnacle (PI/PN), Granite (GR), and 2027 Anthem AN (4) vehicles. The wheel lug nuts may loosen and allow the wheel to detach.

Risk

Wheel detachment can cause a loss of vehicle control or create a road hazard, increasing the risk of a crash or injury.

Remedy

Owners are advised not to drive their vehicles until the repair has been performed. Dealers will inspect the wheel and hub mating surfaces, remove any masking material, and replace any worn components if necessary, free of charge. Owner notification letters were mailed June 22, 2026. Owners may contact Mack's customer service at 1‑800‑866‑1177. Mack's number for this recall is SC0495. Vehicle Identification Numbers (VINs) involved in this recall became searchable on on May 31, 2026.

Recall number 26V351000 · Recall details

What is wrong

Mack Trucks, Inc. (Mack) is recalling certain 2024-2025 Granite trucks equipped with LED headlights. The LED headlights may fail.

Risk

Loss of headlight illumination can reduce visibility, increasing the risk of a crash.

Remedy

Dealers will replace the LED headlights, free of charge. Owner letters were mailed July 23, 2026. Owners may contact Mack's customer service at 1‑800‑866‑1177. Mack's number for this recall is SC0485. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on beginning November 10, 2025.

Recall number 25V756000 · Recall details

What is wrong

Mack Trucks, Inc. (Mack) is recalling certain 2020-2025 Mack MD, 2019-2025 Anthem, Granite, 2024 MD Electric, and 2025 Pinnacle trucks equipped with a passenger bench seat. The seat belt anchorage bracket may be improperly welded. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 210, "Seat Belt Assembly Anchorages."

Risk

An improperly welded seat belt anchorage bracket can detach during a crash, increasing the risk of injury.

Remedy

Dealers will install a reinforcement plate, free of charge. Owner letters were mailed January 21, 2026. Owners may contact Mack's customer service at 1‑800‑866‑1177. Mack's number for this recall is SC0485. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on beginning October 13, 2025.

Recall number 25V666000 · Recall details

What is wrong

Mack Trucks, Inc. (Mack) is recalling certain 2025 Anthem and Granite vehicles. The power cables may have been improperly routed, which can cause an electrical short.

Risk

An electrical short can cause an engine stall, increasing the risk of a crash. An electrical short can also cause the cables to overheat, increasing the risk of a fire.

Remedy

Dealers will re-route the power cables, free of charge. Owner notification letters were mailed June 16, 2025. Owners may contact Mack's customer service at 1‑800‑866‑1177. Mack's number for this recall is SC0480.

Recall number 25V382000 · Recall details

What is wrong

Mack Trucks, Inc. (Mack) is recalling certain 2020-2025 Anthem, Granite, TerraPro and Pinnacle vehicles, equipped with Bendix EC80 Advanced Electronic Control Units (ECU). Electrical noise and low signal to the power line carrier may cause the ECU to incorrectly process commands or stop working.

Risk

Safety systems that depend on the ECU (Automatic Traction Control, ABS, Electronic Stability Control, Active Cruise Control, and Collison Mitigation System) may have diminished or lost functionality, increasing the risk of a crash.

Remedy

Dealers will reprogram the ECU software, free of charge. Owner notification letters were mailed December 9, 2024. Owners may contact Mack customer service at 1‑800‑866‑1177. Mack's number for this recall is SC0472.

Recall number 24V792000 · Recall details

What is wrong

Mack Trucks, Inc. (Mack) is recalling certain 2019-2025 GR and 2018 GU Granite vehicles equipped with non-DOT tested tires. The tires may not have been DOT tested and confirmed to be sufficient for the vehicles. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 119, "New Pneumatic Tires - Other Than Passenger Cars."

Risk

Insufficient tires can fail, increasing the risk of a crash.

Remedy

Dealers will inspect and replace the tires as necessary, free of charge. Owner notification letters were mailed November 6, 2024. Owners may contact Mack customer service at 1‑800‑866‑1177. Mack's number for this recall is SC0471.

Recall number 24V773000 · Recall details

What is wrong

Mack Trucks, Inc. (Mack) is recalling certain 2024-2025 Anthem, Granite, and Pinnacle vehicles equipped with RollTek driver's seat assemblies. The seat pedestal and seat belt attachment may have been improperly tightened.

Risk

An improperly tightened seat pedestal and seat belt attachment may not restrain the occupant as intended, increasing their risk of injury during a crash.

Remedy

Dealers will replace and tighten the seat pedestal and seat belt attachment bolts, free of charge. Owner notification letters were mailed September 16, 2024. Owners may contact Mack customer service at 1‑800‑866‑1177. Mack's number for this recall is SC0469.

Recall number 24V567000 · Recall details

What is wrong

Mack Trucks, Inc. (Mack) is recalling certain 2025 LR, Granite, and Pinnacle vehicles equipped with Composilite EXS20 steerable lift axle suspension assemblies. The tie rod assembly ball stud could have been improperly heat treated and can fail.

Risk

The ball stud can separate from the vehicle becoming a road hazard, increasing the risk of a crash.

Remedy

Dealers will inspect and replace the tie rod end assemblies as necessary, free of charge. Owner notification letters were mailed July 15, 2024. Owners may contact Mack customer service at 1‑800‑866‑1177. Mack's number for this recall is SC0468.

Recall number 24V504000 · Recall details

What is wrong

Mack Trucks, Inc. (Mack) is recalling certain 2025 Mack AN, GR, and TE trucks. The drag link may contain an improperly heat-treated ball stud that can fail, resulting in a sudden loss of steering control.

Risk

A sudden loss of steering control increases the risk of a crash.

Remedy

Owners are advised not to drive their vehicles until the remedy has been completed. Dealers will inspect and replace the drag links, as necessary, free of charge. Owner notification letters were mailed June 20, 2024. Owners may contact Mack customer service at 1‑800‑866‑1177. Mack's number for this recall is SC0465.

Recall number 24V398000 · Recall details

What is wrong

Mack Trucks, Inc. (Mack) is recalling certain 2024 Granite vehicles. The Gross Axle Weight Rating (GAWR) listed on the vehicle certification label is incorrect, which can allow the vehicle to be overloaded. As such, these vehicles fail to comply with the requirements of 49 CFR Part 567, "Certification."

Risk

An overloaded vehicle can increase the risk of a crash.

Remedy

Dealers will provide new labels, free of charge. Owner notification letters were mailed April 10, 2024. Owners may contact Mack customer service at 1‑800‑866‑1177. Mack's number for this recall is SC0459.

Recall number 24V168000 · Recall details

What is wrong

Mack Trucks, Inc. (Mack) is recalling certain 2022-2024 Granite vehicles. The air tanks have an insufficient volume of air for the brake system. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."

Risk

Insufficient air volume can reduce braking performance and increase the risk of a crash.

Remedy

Dealers will add additional air tank volume, free of charge. Owner notification letters were mailed March 14, 2024. Owners may contact Mack customer service at 1‑800‑866‑1177. Mack's number for this recall is SC0458.

Recall number 24V122000 · Recall details

What is wrong

Mack Trucks, Inc (Mack) is recalling certain 2024 Granite vehicles. The bearing journals may not be fully seated in the steering knuckle assembly, preventing the proper installation of the wheel end hub assembly.

Risk

An improperly installed wheel end hub assembly can leak oil, causing the axle spindles to loosen or fracture and increasing the risk of a crash.

Remedy

Hendrickson will inspect and replace the steering knuckle assembly as necessary, free of charge. Owner notification letters were mailed February 2, 2024. Owners may contact Mack customer service at 1‑800‑866‑1177. Mack's number for this recall is SC0456.

Recall number 23V887000 · Recall details

What is wrong

Mack Trucks, Inc. (Mack) is recalling certain 2023-2024 GR, AN, LR, and Terrapro vehicles. The engine may not return to idle within 2 seconds if the accelerator pedal position sensor becomes disconnected. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 124, "Accelerator Control Systems."

Risk

An engine that does not return to idle quickly enough can cause a loss of vehicle control, increasing the risk of a crash.

Remedy

Mack will replace the throttle pedal and update the vehicle software, free of charge. Owner letters were mailed February 27, 2024. Owners may contact Mack customer service at 1‑800‑866‑1177. Mack's number for this recall is SC0455.

Recall number 23V792000 · Recall details

What is wrong

Mack Trucks, Inc. (Mack) is recalling certain 2024 Granite and TerraPro vehicles. The rear lifting bracket that attaches to the engine cylinder head may be insufficiently secured, which can allow it to detach.

Risk

A rear lifting bracket that detaches while the engine is being lifted can result in the engine falling or swinging, increasing the risk of injury.

Remedy

Dealers will inspect and replace the flanged stud in the rear lifting bracket, as necessary, free of charge. Owner notification letters were mailed December 9, 2023. Owners may contact Mack's customer service at 1‑800‑866‑1177. Mack's number for this recall is SC0452.

Recall number 23V731000 · Recall details

What is wrong

Mack Trucks, Inc. (Mack) is recalling certain 2015-2023 GU and GR vehicles. The turn signals may be positioned incorrectly, reducing their visibility. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."

Risk

Low turn signal visibility may not alert other drivers to a turning vehicle, increasing the risk of a crash.

Remedy

Dealers will add additional turn signal lighting, free of charge. Owner letters were mailed September 25, 2024. Owners may contact Mack's customer service at 1‑800‑866‑1177. Mack's number for this recall is SC0448.

Recall number 23V600000 · Recall details

What is wrong

Mack Trucks, Inc. (Mack) is recalling certain 2023 Granite (GR) vehicles. The front-drive steer axle fasteners may not have been tightened sufficiently and could come loose, resulting in a complete separation of the axle assembly joints.

Risk

Steer axle assembly separation can result in a loss of vehicle control, increasing the risk of a crash.

Remedy

Dealers will replace and tighten the axle fasteners, as necessary, free of charge. Owner notification letters were mailed March 20, 2023. Owners may contact Mack customer service at 1‑800‑866‑1177. Mack's number for this recall is SC0441.

Recall number 23V143000 · Recall details

What is wrong

Mack Trucks, Inc. (Mack) is recalling certain 2021-22 Granite, Anthem, LR, Pinnacle, and Terrapro tractor trailers. The steering gears may have been assembled incorrectly, which can cause the gear to fracture.

Risk

A fractured steering gear can cause a loss of steering control, increasing the risk of a crash.

Remedy

Dealers will replace the steering gear, free of charge. Owner notification letters were mailed on July 29, 2022. Owners may contact Mack customer service at 1‑800‑866‑1177. Mack's number for this recall is SC0437.

Recall number 22V401000 · Recall details

What is wrong

Mack Trucks, Inc. (Mack) is recalling certain 2022 Granite trucks. The air tanks have an insufficient volume of air for the brake system. As such, these vehicles fail to comply with the requirements of the Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."

Risk

Insufficient air volume can reduce braking performance and increase the risk of a crash.

Remedy

Dealers will install new air tanks, free of charge. Owner notification letters were mailed on May 31, 2022. Owners may contact Mack's customer service at 1‑800‑866‑1177. Mack's number for this recall is SCC 0435.

Recall number 22V295000 · Recall details

What is wrong

Mack Trucks, Inc. (Mack) is recalling certain 2021 Granite and LR vehicles. A machining defect may cause pressure to build in the power steering pump and break the shaft seal, resulting in a loss of power steering assist.

Risk

A loss of power steering assist increases the risk of a crash.

Remedy

Dealers will replace the power steering pump, free of charge. Owner notification letters were mailed on December 10, 2021. Owners may contact Mack customer service at 1‑800‑866‑1177. Mack's number for this recall is SC0432.

Recall number 21V856000 · Recall details

What is wrong

Mack Trucks, Inc. (Mack) is recalling certain 2021 Granite, LR, and TerraPro vehicles. The rear drive axle may have the incorrect type of brake cam installed, which could result in inoperative rear axle brakes.

Risk

Inoperative rear axle brakes can increase the distance required to stop, increasing the risk of a crash.

Remedy

Dealers will inspect the brake cams, and incorrect brake cams will be replaced, along with brake shoes, hardware, and wheel seals, as necessary, free of charge. Owner notification letters were mailed on August 10, 2021. Owners may contact Mack customer service at 1‑800‑866‑1177. Mack's number for this recall is SC0427.

Recall number 21V573000 · Recall details

What is wrong

Mack Trucks, Inc. (Mack) is recalling certain 2021-2022 Anthem, Granite, and Pinnacle vehicles. The hubcap compression spring can cause the hubcap to separate.

Risk

A separated hubcap can create a road hazard, increasing the risk of a crash.

Remedy

Dealers will remove the hubcap, free of charge. Owner notification letters were mailed June 30, 2021. Owners may contact Mack customer service at 1‑800‑866‑1177. Mack's number for this recall is SC0425.

Recall number 21V416000 · Recall details

What is wrong

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."

Risk

A vehicle that drifts out of its lane increases the risk of a crash.

Remedy

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.

Recall number 21V233000 · Recall details

What is wrong

Mack Trucks, Inc. (Mack) is recalling certain 2020 Anthem (AN), Granite (GR), and Pinnacle (PI) vehicles. The castle nuts and cotter pins used to connect the steering drag link to the pitman arm and steering arm may have not been correctly installed, potentially causing separation of the drag link.

Risk

If the drag link separates, loss of steering control my occur, increasing the risk of a crash.

Remedy

Mack will notify owners, and dealers will inspect the drag link attachment points, repairing them, as necessary, free of charge. The recall began January 14, 2020. Owners may contact Mack customer service at 1‑800‑866‑1177. Mack's number for this recall is SC0420.

Recall number 19V896000 · Recall details

What is wrong

Mack Trucks, Inc. (Mack) is recalling certain 2019-2020 Mack Anthem, Granite, Pinnacle vehicles. The passenger side door down view mirror may detach from the door.

Risk

If the mirror detaches from the door, the mirror may strike another vehicle or pedestrian, increasing the risk of injury or crash.

Remedy

Mack will notify owners, and dealers will properly attach the mirror, free of charge. The recall began March 19, 2019. Owners may contact Mack customer service at 1‑800‑866‑1177. Mack's number for this recall is SC0416.

Recall number 19V054000 · Recall details

What is wrong

Mack Trucks, Inc. (Mack) is recalling certain 2019 Mack Granite (GR), LR, and TerraPro (TE) trucks, equipped with Bridgestone M854 tires with DOT date codes 2418-2518, Bridgestone M860A tires with DOT date code 2518 or Bridgestone M864 tires with DOT date codes 2318-2418, all of size 425/65R22.5. The sidewall steel body cords may be exposed, possibly causing unexpected, rapid air loss while driving. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 119, "New Pneumatic Tires - Other than Passenger Cars."

Risk

Rapid tire air loss can increase the risk of a crash.

Remedy

Mack will notify owners, instructing them to take their vehicles to Bridgestone Tire or Mack truck service centers for inspection and replacement, as necessary, free of charge. The recall began December 19, 2018. Owners may contact Mack customer service at 1‑800‑866‑1177. Mack's number for this recall is SC0412.

Recall number 18V810000 · Recall details

What is wrong

Mack Trucks, Inc. (Mack) is recalling certain 2019 Mack Anthem (AN), Granite (GR), and Pinnacle (PI) vehicles. The pinch bolt on the upper steering shaft may not have been tightened, possibly resulting in the steering shaft separating and causing a loss of steering.

Risk

A loss of steering can increase the risk of a crash.

Remedy

Mack will notify owners, and dealers will inspect the vehicles for any loose pinch bolts, correcting the vehicles as necessary, free of charge. The recall began November 30, 2018. Owners may contact Mack customer service at 1‑800‑866‑1177. Mack's number for this recall is SC0413.

Recall number 18V778000 · Recall details