- 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.
Vehicle safety record
2009 Mack Mru Problems, complaints & recalls
No owner complaints about the 2009 Mack Mru have been filed with NHTSA. It is covered by 1 recall, the latest in December 2021 for the parking brake.
NHTSA data checked
BFewer problems than a typical Mru year, for its age
- Complaints
- 0
- Recalls
- 1
- Crashes
- 0
- Fires
- 0
- Injuries
- 0
- Deaths
- 0
2009 Mack Mru recalls 1
Recall repairs are free. Your dealer fixes them whether or not you bought the car there - check your VIN at nhtsa.gov/recalls to see if yours is done. What to do
What owners say
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No complaints about the 2009 Mack Mru yet
No owner has filed a complaint about this vehicle with NHTSA. If yours has a problem, share it here and report it to NHTSA.
Mack Mru: every year compared
All Mru years2009 Mack Mru vs rivals
| Vehicle | Complaints | Recalls | Grade | |
|---|---|---|---|---|
| 2009 Mack Mru | 0 | 1 | B | |
| 2009 Mack Cxu | 3 | 3 | C | Compare |
| 2009 Mack GU | 1 | 7 | F | Compare |
More sales usually means more complaints, so compare similar vehicles of the same year. The grade compares each vehicle with its own model's other years.
Questions about the 2009 Mack Mru
Does the 2009 Mack Mru have any recalls?
Yes - NHTSA lists 1 recall for the 2009 Mack Mru: parking brake (December 2021). Recall repairs are free at any authorized dealer. Enter your VIN at nhtsa.gov/recalls to see whether yours has been fixed.
How many complaints has the 2009 Mack Mru had?
None have been filed with NHTSA so far.
Is the 2009 Mack Mru a reliable vehicle?
Its Safety Index is 74 out of 100 (grade B: fewer problems than a typical Mack Mru year, for its age). The index weighs complaints, crashes, fires, injuries, deaths and recalls against how long the vehicle has been on the road, compared with the same model's other years. It is not a measure of every repair - read the complaints and owner experiences, and have any used vehicle inspected before you buy.
What should I do if my 2009 Mack Mru has a problem?
If it is a safety problem, stop driving it if it is unsafe and contact your dealer. Report it to NHTSA at nhtsa.gov/report-a-safety-problem - enough reports start investigations and recalls - and share your experience here so other owners know what to look for.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked . Complaints are owners' own reports and are not verified. How we use the data