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Service bulletin SB 215-033

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 id10025851
Published by NHTSA2008-09-10
Manufacturer's numberSB 215-033
Manufacturer's date2008-07-18
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN

NHTSA's summary

MACK TRUCK: REVISED FAN RING BRACKET MOUNTING SCREWS. A LONGER MOUNTING SCREW (PART NO. 945444) FOR THE LEFT-SIDE FAN RING MOUNTING BRACKET WAS IMPLEMENTED INTO PRODUCTION ON ALL CXU, CHU AND GU MODEL CHASSIS. *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 CHU2007 to 2008
MACK CXU2006 to 2008
MACK GU2007 to 2008

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