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Service bulletin M-728-004

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 id10225636
Published by NHTSA2022-11-03
Manufacturer's numberM-728-004
Manufacturer's date2022-10-07
NHTSA componentSUSPENSION

NHTSA's summary

2008 document reformatted to be published as a TSB in Impact. Ride Height Adjustment tool and gauge.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Suspension

Vehicles listed
MACK CHU2006 to 2008
MACK CXU2006 to 2008
MACK GU2006 to 2008
MACK PINNACLE (CHU)2007 to 2008
MACK PINNACLE (CXU)2007 to 2008
MACK TD2007 to 2008

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