MACK 2018 MACK TERRAPRO (MRU) Recall
Check Your Product
According to the National Highway Traffic Safety Administration (NHTSA)
Product
2018 MACK TERRAPRO (MRU)
Brand
MACK
Lot Codes / Batch Numbers
Not specified in NHTSA notice. Check official source for details.
Products Sold
Model Year 2018
Mack Trucks, Inc. is recalling certain 2018 MACK TERRAPRO (MRU) vehicles due to parking brake issues. The unexpected release of the parking brake may allow the vehicle to rollaway, increasing the risk of a crash..
Summary derived from NHTSA notice
Reason for Recall
As stated by NHTSA
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.
Reported concern (NHTSA)
The unexpected release of the parking brake may allow the vehicle to rollaway, increasing the risk of a crash.
Recommended Action
Per NHTSA guidance
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.
Verify this information on the official source
For complete details and official instructions, check the National Highway Traffic Safety Administration (NHTSA) directly.
View official NHTSA recall noticePage updated: Jan 10, 2026