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Service bulletin FSB 861-006

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 id10082902
Published by NHTSA2016-10-19
Manufacturer's numberFSB 861-006
Manufacturer's date2015-01-06
NHTSA componentSTRUCTURE:BODY:BUMPERS

NHTSA's summary

BUMPER, REPLACEMENT. THE CURRENT FRONT BUMPER ON SOME MACK MRU TRUCKS BUILT BETWEEN 10/22/2007 AND 11/14/2014 MAY EXPERIENCE TWISTING AND WARPING WHEN MOUNTED WITH SINGLE SUPPORT STRUTS AT EACH END OF THE BUMPER. TO PREVENT WARPING AND TWISTING OF THE FRONT BUMPER, A MORE ROBUST BUMPER DESIGN WILL REPLACE THE CURRENT BUMPER (PART NUMBER 25165882, OR 25165881).

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

Body and frame

Vehicles listed
MACK MRU2008 to 2015

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