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Service bulletin SB 531014

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 id10025568
Published by NHTSA2008-08-21
Manufacturer's numberSB 531014
Manufacturer's date2008-05-21
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

REVISED AIR COMPRESSOR DISCHARGE LINE - MP8 ENGINES. (ALSO APPLIES TO MACK TRUCKS AUSTRALIA). *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

Vehicles listed
MACK CHU2008
MACK CXU2008
MACK GU2008

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