Investigations

Improperly torqued hex nuts/drive axles

NHTSA EQ EQ16002 - closed, opened 2016-03-15.

EQ16002 EQ Closed

NHTSA investigation EQ16002 is a EQ opened on 2016-03-15 and currently closed. The subject is tracked inside the Office of Defects Investigation queue. Latest activity on this investigation was logged on 2016-10-04 - NHTSA updates that field whenever an Information Request goes out, a supplement is filed, or a status change is recorded in the public docket.

Investigators summarized the matter as follows: "Background In a Part 573 Safety recall report dated August 11, 2015, Marmon-Herrington notified NHTSA that it decided that a defect exists in certain drive axles, model numbers MT14, MT17, MT22, R17 and R22, manufactured..." Investigations are the early-warning layer of the federal auto-safety system, sitting upstream of formal recalls and defect orders. Whether this one closes without action or escalates into an Engineering Analysis, the full history stays in the ODI archive so researchers, litigators, and buyers can pull the paper trail at any time.

Status
Closed
Type
EQ
Opened
2016-03-15
Latest Activity
2016-10-04

Investigation Summary

Background In a Part 573 Safety recall report dated August 11, 2015, Marmon-Herrington notified NHTSA that it decided that a defect exists in certain drive axles, model numbers MT14, MT17, MT22, R17 and R22, manufactured July 28, 2014, to July 22, 2015. The affected axles are equipped with hex nuts on the flange yoke that may not have been properly tightened. If the hex nuts are not tightened to specification, the driveshaft may disconnect from the drive axle, resulting in a loss of propulsion and increasing the risk of a crash. This matter was assigned recall campaign number 15E-065. In their 573 Defect Notification Report, Marmon-Herrington identified several vehicle manufactures that were sold and possibly installed the defective axles in their vehicles. On March 15, 2016, the Recall Management Division (RMD) opened this Equipment Query (EQ) Investigation in order to obtain Marmon-Herrington's customer list and to contact the companies that purchased the defect drive axles, notify them of the defect and ensure thorough safety recalls are conducted where appropriate. On March 15, 2016, an information request letter was sent to Marmon-Herrington via email. A second information request letter was sent to Marmon-Herrington on April 5, 2016. Marmon-Herrington’s Response Marmon-Herrington responded to the information request letter on April 8, 2016. The purchaser list was uploaded through the recalls portal by Marmon-Herrington on April 6, 2016. Recall Management Division Action RMD sent letters on May 11, 2016, to each vehicle manufacturer and requested a safety recall decision be made and the requisite notice filed and recall campaign conducted where appropriate. As a result, the following manufacturers have filed defect reports and are conducting safety recalls: • Terex Advance (16V-371) The following companies have provided written statements that they did not sell any products containing the defective valves to customers: • Ferrara Fire Apparatus • General Dynamic

About This Investigation Type

Data from NHTSA Office of Defects Investigation. Cross-references: NHTSA recall campaign API and NHTSA FARS where fatality records overlap. PlainCars does not rate or recommend vehicles. about how PlainCars sources NHTSA data.