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Service bulletin SB-26-1018

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 id10028749
Published by NHTSA2009-05-22
Manufacturer's numberSB-26-1018
Manufacturer's date2009-02-13
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM

NHTSA's summary

MACK TRUCKS: MERITOR WABCO AIR COMPRESSOR, CONVENTIONAL REPAIR FOR CERTAIN AIR COMPRESSOR FAILURES, SUCH AS FAILURE OF COMPRESSOR TO PUMP, SLOW AIR SYSTEM PRESSURE BUILD UP TIME, INTERMITTENT COMPRESSOR PUMPING, ETC, WAS TO REPLACE COMPRESSOR CYLINDER HEAD. MODEL YEARS UNKNOWN. *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 system

Vehicles listed
MACK CHN2002, 2003, 2004, 2005, 2006, 2007, 2008
MACK CXN2002 to 2008

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