WenmarOpen by Wenmar Pro

Service bulletin FSB873021

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 id10129919
Published by NHTSA2018-03-12
Manufacturer's numberFSB873021
Manufacturer's date2018-01-08
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM

NHTSA's summary

HVAC Filter Blocked, Repair, LR

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, Cooling system

Vehicles listed
MACK LR
MACK LR2010 to 2014
MACK LR2015, 2016, 2017, 2018

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

Other bulletins for the same vehicles and component
K459415122018-07-16. Service bulletin. Mack Chassis - Diagnostic Trouble Code ( DTC ) P0128, Diagnostic And Repair - US14 +OBD15, Common Model Year 2016
K459415122018-06-18. Service bulletin. Mack Chassis - Diagnostic Trouble Code ( DTC ) P0128, Diagnostic And Repair - US14 +OBD13 US14+OBD15 And US14+OBD16, Commonly Model Year 2015 Through 2017
K459415122018-05-29. Service bulletin. Mack Chassis - Diagnostic Trouble Code ( DTC ) P0128, Diagnostic And Repair - US14 +OBD13 US14+OBD15 And US14+OBD16, Commonly Model Year 2015 Through 2017
K459415122018-03-12. Service bulletin. Mack Chassis - Diagnostic Trouble Code ( DTC ) P0128, Diagnostic And Repair - US14+OBD13 (Commonly Year Model 2015) And Newer.Updated to reflect release of FSB284-064 (Above)