Recall
Mack Terrapro (mru) — 21V953000
NHTSA ID
21V953000
Make
Mack
Model
Terrapro (mru)
Years Affected
2018
Recall Date
2021-12-09
Component
PARKING BRAKE
Units Affected
20,668
Completion Rate
—
Mfr Campaign No.
SC0433
Summary
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.