Campaign 26V-631

Intake and grille bezels may detach from the vehicle

Defect summary

Mack Trucks, Inc. (Mack) is recalling certain 2026-2027 Anthem AN (4) and 2025-2027 Pioneer PR (4) vehicles. The intake and grille bezels may detach from the vehicle.

Consequence

A detached bezel can become a road hazard for other vehicles, increasing the risk of a crash.

Remedy

Dealers will inspect, replace the intake and grille bezels, and install cable ties as necessary, free of charge. Owner notification letters are expected to be mailed November 30, 2026. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0501. Vehicle Identification Numbers (VINs) involved in this recall will become searchable on NHTSA.gov on October 8, 2026.

Source: NHTSA ODI recalls file, campaign 26V631000. Text as published by NHTSA.

Vehicles covered

2 product lines are covered

Owner complaints filed with NHTSA about structure on these vehicles: 0, of which 0 involved a crash, fire, injury or death. Complaints are not verified by NHTSA.

Vehicles covered by campaign 26V-631
Make	Model	Model years	Complaints on this component
Mack	Anthem AN (4)	2026 to 2027	0
Mack	Pioneer PR (4)	2025 to 2027	0

Source: NHTSA ODI recalls and complaints files. Equipment, tire and child-seat campaigns list products, not vehicles.

Investigation

No NHTSA investigation is linked to this recall

Most recalls are started by the manufacturer. This one lists "Manufacturer" as its origin.

Before the recall

9 service bulletins on this component came first

Distinct manufacturer communications on the same component group, make, model and model year in the 24 months before the report date.

Source: NHTSA manufacturer communications file.

Service bulletins

23V-513 Jul 27, 2023
Reinforcing floor welds may be missing from around the passenger seat pedestal, reducing floor strength
86V-008 Jan 17, 1986
Left or right cab step may crack in its welded area due to flexing of the step during entering and exiting
85V-158 Nov 26, 1985
Right hand frame rail lower flange could develop cracks due to poor grinding methods at stress points
85V-051 May 1, 1985
Flip out step clevis on the bumper may fail and break under the weight of the person standing on the step to service the front area of the vehicle
81V-083 Jul 7, 1981
Right hand front canopy cab mounting bracket interferes with the right hand brake chamber on the steering axle when in a certain degree turn and…
74V-101 Jun 24, 1974
Structure