2011 Mack Terrapro (mru) Recalls

Recalls on record Updated July 2026

The 2011 Mack Terrapro (mru) has 1 NHTSA recall campaign affecting an estimated 20,668 vehicles. Recall repairs are always free at any authorized dealer. Last updated July 5, 2026.

Recall campaigns

PARKING BRAKE 21V953000 2021-12-09 20,668 affected

Defect

Mack Trucks, Inc. (Mack) is recalling certain 2008-2019 TerraPro (MRU) and 2019-2022 TerraPro (TE) vehicles. A brake control valve air leak into the attached exhaust hose can create excessive back pressure, causing the parking brake to release unexpectedly.

Consequence

The unexpected release of the parking brake may allow the vehicle to rollaway, increasing the risk of a crash.

Remedy

Dealers will remove the exhaust tube and fitting from the valve, free of charge. Owner notification letters were mailed February 8, 2022. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0433.

Defect investigations

Investigation PE20003 Opened 2020-04-01 · closed 2024-01-10

Vehicle Roll Away

On April 1, 2020, following information received from the Office of Defects Investigation (ODI) network of fleet contacts, ODI opened PE20-003 to investigate reports of vehicle roll away in certain model year (MY) 2008-2020 Autocar and Mack refuse trucks equipped with certain Bendix PP-1 push-pull pneumatic park…

Investigation PE20003 Opened 2020-04-01 · closed 2024-01-10

Vehicle Roll Away

On April 1, 2020, following information received from the Office of Defects Investigation (ODI) network of fleet contacts, ODI opened PE20-003 to investigate reports of vehicle roll away in certain model year (MY) 2008-2020 Autocar and Mack refuse trucks equipped with certain Bendix PP-1 push-pull pneumatic park…

Investigation PE20003 Opened 2020-04-01 · closed 2024-01-10

Vehicle Roll Away

On April 1, 2020, following information received from the Office of Defects Investigation (ODI) network of fleet contacts, ODI opened PE20-003 to investigate reports of vehicle roll away in certain model year (MY) 2008-2020 Autocar and Mack refuse trucks equipped with certain Bendix PP-1 push-pull pneumatic park…

Investigation PE20003 Opened 2020-04-01 · closed 2024-01-10

Vehicle Roll Away

On April 1, 2020, following information received from the Office of Defects Investigation (ODI) network of fleet contacts, ODI opened PE20-003 to investigate reports of vehicle roll away in certain model year (MY) 2008-2020 Autocar and Mack refuse trucks equipped with certain Bendix PP-1 push-pull pneumatic park…

Investigation PE20003 Opened 2020-04-01 · closed 2024-01-10

Vehicle Roll Away

On April 1, 2020, following information received from the Office of Defects Investigation (ODI) network of fleet contacts, ODI opened PE20-003 to investigate reports of vehicle roll away in certain model year (MY) 2008-2020 Autocar and Mack refuse trucks equipped with certain Bendix PP-1 push-pull pneumatic park…

Investigation PE20003 Opened 2020-04-01 · closed 2024-01-10

Vehicle Roll Away

On April 1, 2020, following information received from the Office of Defects Investigation (ODI) network of fleet contacts, ODI opened PE20-003 to investigate reports of vehicle roll away in certain model year (MY) 2008-2020 Autocar and Mack refuse trucks equipped with certain Bendix PP-1 push-pull pneumatic park…

Investigation PE20003 Opened 2020-04-01 · closed 2024-01-10

Vehicle Roll Away

On April 1, 2020, following information received from the Office of Defects Investigation (ODI) network of fleet contacts, ODI opened PE20-003 to investigate reports of vehicle roll away in certain model year (MY) 2008-2020 Autocar and Mack refuse trucks equipped with certain Bendix PP-1 push-pull pneumatic park…

Investigation PE20003 Opened 2020-04-01 · closed 2024-01-10

Vehicle Roll Away

On April 1, 2020, following information received from the Office of Defects Investigation (ODI) network of fleet contacts, ODI opened PE20-003 to investigate reports of vehicle roll away in certain model year (MY) 2008-2020 Autocar and Mack refuse trucks equipped with certain Bendix PP-1 push-pull pneumatic park…

Sources & methodology

Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2011 Mack Terrapro (mru) as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.