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Service bulletin K08315540

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 id10163873
Published by NHTSA2019-08-19
Manufacturer's numberK08315540
Manufacturer's date2019-07-05
NHTSA componentEQUIPMENT; ENGINE AND ENGINE COOLING

NHTSA's summary

Mack Chassis - LEU, MRU, LR - Frequent Requests For Regeneration, ( Hourly To Daily ); Possible High Soot Load Warnings And Fault Codes Or Accelerated Soot Accumulation - Previously Tech Tip TT-020-2015 - US10 And Newer (Includes GHG17/US17, Common Rail) Emissions, Common Model Years 2011 And Newer

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, Equipment and accessories

Vehicles listed
MACK LEU2011 to 2013
MACK LR2011 to 2013
MACK MRU2011 to 2013

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