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Service bulletin sb2053

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 id10141694
Published by NHTSA2018-06-18
Manufacturer's numbersb2053
Manufacturer's date2018-02-26
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY

NHTSA's summary

sb2053 New Stainless Steel Lower Radiator Tubes

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, Radiator

Vehicles listed
FREIGHTLINER ARGOSY2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
FREIGHTLINER BUSINESS CLASS M22008 to 2018
FREIGHTLINER BUSINESS CLASS M2 106V2006 to 2007
FREIGHTLINER CENTURY CLASS2006 to 2018
FREIGHTLINER COLUMBIA2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
FREIGHTLINER CONDOR2006, 2007
FREIGHTLINER CONVENTIONAL2006 to 2018
FREIGHTLINER CORONADO2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
FREIGHTLINER FLD2006 to 2011

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
SB20-582021-05-24. Service bulletin. Early EPA07 QLD Radiator Replacement. As part of the changes made for early production EPA07 engines, the transmission oil cooler was moved into the radiator, and transmission oil cooler lines equipped with Gates Quick-Detach (QLD) connectors were fitted.
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sb20802018-06-18. Service bulletin. sb2080 Australian CST M1400 Isolated Radiator RetrofitB
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sb20692018-06-18. Service bulletin. sb2069 Kysor Fan Clutch Sticking
sb20582018-06-18. Service bulletin. sb2058 Early EPA07 QLD Radiator Replacement
sb20502018-06-18. Service bulletin. sb2050 Surge-Tank Cap Replacement
sb20432018-06-18. Service bulletin. sb2043 Radiator Fan Shroud Seal
20-732018-02-12. Service bulletin. 20-73 - CANCELED: Cascadia Radiator Update?EPA10 with DDC Engines