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Service bulletin SB 232028

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 id10025564
Published by NHTSA2008-08-21
Manufacturer's numberSB 232028
Manufacturer's date2008-05-30
NHTSA componentENGINE AND ENGINE COOLING:ENGINE; ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN

NHTSA's summary

FAN RING TO FAN SHROUD CLEARANCE ON GU MODEL CHASSIS EQUIPPED WITH EITHER AN MP7 OR MP8 ENGINE. *PE

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

Engine, Cooling fan, Cooling system

Vehicles listed
MACK GU2007 to 2008

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