- The problem
- Mack is recalling 218 my 2006-2007 mr trucks. A check valve was omitted from the secondary supply port of the sr-7 spring brake modulating valve.
- The risk
- As a result, an air leak in the secondary or primary system may result in the park brakes inadvertently applying, increasing the risk of a crash.
- The fix
- Dealers will add a check valve to the secondary supply port of the sr-7 spring brake modulating valve and will also repair the sr-7 valve by applying a check valve repair kit as required for the bendix safety recall (please see 07e-037). The recall began on april 15, 2008. Owners may contact mack at 1-800-528-6586.
Vehicle safety record
2007 Mack MR Problems, complaints & recalls
No owner complaints about the 2007 Mack MR have been filed with NHTSA. It is covered by 3 recalls, the latest in March 2008 for the check valve.
NHTSA data checked
CAbout as many problems as a typical MR year, for its age
- Complaints
- 0
- Recalls
- 3
- Crashes
- 0
- Fires
- 0
- Injuries
- 0
- Deaths
- 0
2007 Mack MR recalls 3
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
- The problem
- On certain trucks equipped with bendix sr-7 spring brake modulating valves, the internal rubber check valve may leak causing a delay in the application of the spring brakes to park the vehicle after the operator pulls the dash valve button.
- The risk
- This could delay or failure in applying the parking brakes which could result in a vehicle roll away, increasing the risk of a crash.
- The fix
- Mack is working with bendix to repair these vehicles (please see 07e037). Bendix will install a check valve repair kit for the affected sr-7 spring brake modulating valve free of charge. The recall began on january 10, 2008. Owners may contact bendix at 1-440-329-9000 or mack at 1-800-528-6586.
- The problem
- On certain trucks equipped with sr-7 bendix brake valves, the check valve inside the valve cavity may not properly set, causing internal air leakage. If the check valve does not properly seat, the resulting leakage can cause a delay in the application of the spring brakes to park the vehicle after operator pulls the dash valve button.
- The risk
- The delayed parking brake application can occur without warning, leading to unintended vehicle rollaway increasing the risk of a crash.
- The fix
- Dealers will inspect the valves and replace it free of charge. The recall began on august 14, 2006. Owners may contact mack trucks at 1-800-528-6586.
What owners say
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No complaints about the 2007 Mack MR 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 MR: every year compared
All MR years2007 Mack MR vs rivals
| Vehicle | Complaints | Recalls | Grade | |
|---|---|---|---|---|
| 2007 Mack MR | 0 | 3 | C | |
| 2007 Mack CHN | 1 | 12 | D | 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 2007 Mack MR
Does the 2007 Mack MR have any recalls?
Yes - NHTSA lists 3 recalls for the 2007 Mack MR: check valve (March 2008); parking brake (August 2007); air (June 2006). 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 2007 Mack MR had?
None have been filed with NHTSA so far.
Is the 2007 Mack MR a reliable vehicle?
Its Safety Index is 43 out of 100 (grade C: about as many problems as a typical Mack MR 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 2007 Mack MR 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