Fuel injection system reconfiguration to comply with engine emission standards cause higher engine vibration levels which lead to early wear and complete failure of the secondary throttle return mechanism.
1987-1993 · 7 model years
Mack FDM Problems by year
Owners have filed 0 complaints about the Mack FDM across 7 model years, and it has 3 recalls.
- Complaints
- 0
- Recalls
- 3
- Crashes
- 0
- Fires
- 0
- Injuries
- 0
- Deaths
- 0
FDM complaints by model year
Highlighted: the year with the most complaints for its age. Older vehicles have had more time to collect complaints - the Safety Index grade allows for that.
Mack FDM recalls 3
The driveshaft to the front driving axle is secured to a bracket using two pillow blocks. These blocks are of insufficient strength to support the driveshaft and could fail.
The engine cooling fan blades may break due to inadequate blade strength around the rivets that attach the blades to the fan spider.
Questions about the Mack FDM
Which Mack FDM years have the fewest complaints?
How many recalls does the Mack FDM have?
NHTSA lists 3 recalls across all Mack FDM model years. Each year's page lists the recalls for that year; check your own vehicle by VIN at nhtsa.gov/recalls to see whether the repair has been done.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data