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Service bulletin FSB 726-001

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 id10083441
Published by NHTSA2016-10-24
Manufacturer's numberFSB 726-001
Manufacturer's date2016-06-01
NHTSA componentSUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY; SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM

NHTSA's summary

REAR AXLE SEAT, REPLACEMENT, VIBRATION

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

Suspension, Air suspension

Vehicles listed
MACK MACK

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