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Service bulletin K12034241

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 id10152944
Published by NHTSA2019-02-19
Manufacturer's numberK12034241
Manufacturer's date2018-12-31
NHTSA componentENGINE

NHTSA's summary

Diagnosing Performance Complaints ASET Engine

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine

Vehicles listed
MACK CH
MACK CHN2002, 2003, 2004, 2005, 2006, 2007, 2008
MACK CL
MACK CT2004 to 2008
MACK CV
MACK CX
MACK CXN2002 to 2008
MACK DM
MACK LE
MACK MR
MACK RB
MACK RD

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

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