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Service bulletin P1659

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 id10025847
Published by NHTSA2008-09-10
Manufacturer's numberP1659
Manufacturer's date2008-07-21
ReplacesP1659
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:DIESEL

NHTSA's summary

MACK TRUCK: DIESEL PARTICULATE FILTER (DPF) ATOMIZATION MODULE REPLACEMENT. MODELS MRU AND LEU MANUFACTURED JANUARY 2, 2007 AND NOVEMBER 20, 2007. DOES NOT APPLY TO MACK TRUCKS AUSTRALIA. *PE UPDATED 9/15/08. *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 LEU2007
MACK MRU2007

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