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Service bulletin SP-256-001

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 id10041359
Published by NHTSA2011-09-27
Manufacturer's numberSP-256-001
Manufacturer's date2011-08-01
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM; ENGINE AND ENGINE COOLING

NHTSA's summary

MACK: AIR CLEANER HOUSING. THERE WAS A PRESSURE PULSE THROUGH THE PREVIOUS AIR FILTER WHICH MAY ALLOW DUST OR DIRT TO COME THROUGH THE FILTER. *RM

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 system

Vehicles listed
MACK TD2012

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