Recall 21V-953: 2008–2010 Mack MRU, 2019–2021 Mack TE and 2 more

Mack Trucks, Inc. recall for parking brake, reported to NHTSA on Dec 9, 2021, covering about 20,668 vehicles.

NHTSA number
21V-953
Report date
Dec 9, 2021
Vehicles affected
20,668
Owners notified
Feb 8, 2022

The problem

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.

The risk

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

The fix

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.

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.nhtsa.gov.

Recall details

ManufacturerMack Trucks, Inc.
ComponentParking Brake
Recall started byNHTSA (Office of Defects Investigation)
NHTSA campaign number21V953000

Vehicles in this recall

VehicleModel years
Mack MRU2008, 2009, 2010All years
Mack TE2019, 2020, 2021All years
Mack Terrapro (MRU)2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019All years
Mack Terrapro (TE)2022All years

Not every vehicle of these model years is included. Enter your VIN at nhtsa.gov/recalls ↗ or ask a dealer.

Frequently asked questions

What is recall 21V-953?

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.

How is recall 21V-953 fixed?

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.

Is the recall repair free?

Yes. Safety recall repairs are free at authorized dealers. Check whether your vehicle is included with its VIN at nhtsa.gov/recalls.