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Service bulletin FSB 884-007

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10082800
Published by NHTSA2016-10-18
Manufacturer's numberFSB 884-007
Manufacturer's date2014-12-04
NHTSA componentSEAT BELTS

NHTSA's summary

ON CERTAIN MACK MRU TRUCKS MANUFACTURED FROM 06/04/2014 THROUGH 06/18/2014, THE DRIVER SIDE SEAT BELT BOLTS MAY LOOSEN OVER TIME AND POTENTIALLY CAUSE THE SEAT BELT TO DETACH FROM THE SEAT FRAME, CAB WALL, AND CAB FLOOR. DURING SEAT BELT INSTALLATION, THE TOOL USED TO INSTALL THE SEAT BELT BOLTS WAS OUT OF SPECIFICATION, CAUSING THE APPLICATION OF A LOWER TORQUE VALUE THAN REQUIRED. AS A RESULT OF THE LOWER TORQUE VALUES APPLIED, THE SEAT BELT BOLTS MAY LOOSEN OVER TIME AND POTENTIALLY CAUSE THE SEAT BELT TO DETACH.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Seat belts

Vehicles listed
MACK MRU2015

Listing a model year does not mean every vehicle of it is concerned: the document says which.