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Service bulletin FSB-49-33

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 id10044351
Published by NHTSA2012-06-14
Manufacturer's numberFSB-49-33
Manufacturer's date2012-05-01
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:DIESEL

NHTSA's summary

FREIGHTLINER: EXCESSIVE WHITE CRYSTAL OR POWDER AROUND DEF FITTING, CAUSED BY EVAPORATION OF DEF WHEN EXPOSED TO AIR AND/OR DAMPNESS, INDICATES A LEAK IN DIESEL EXHAUST FLUID OR IMPROPER INSTALLATION OR DAMAGED CONNECTORS WOULD HAVE LEAKS IN COOLANT LINES. *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
FREIGHTLINER 108SD2012, 2013
FREIGHTLINER 114SD2012, 2013
FREIGHTLINER BUSINESS CLASS M22010 to 2013
FREIGHTLINER CASCADIA2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
FREIGHTLINER CORONADO2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013

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

Recalls for the same vehicles and component
15V8160002015-12-07. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
20153362015-07-24. Engine
15V3430002015-06-03. ENGINE AND ENGINE COOLING:ENGINE
14V6800002014-10-29. FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
20140502014-02-21. Engine
14V0800002014-02-21. ENGINE AND ENGINE COOLING:ENGINE
12V0740002012-02-28. ENGINE AND ENGINE COOLING:ENGINE:DIESEL
11V4740002011-09-15. ENGINE AND ENGINE COOLING
11V1460002011-03-03. ENGINE AND ENGINE COOLING
10V3410002010-07-27. ENGINE AND ENGINE COOLING

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
SB83-1372022-04-01. Service bulletin. Revised Freightliner Service Bulletin for ParkSmart Eberspaecher Auxiliary Heater Service. This bulletin replaces the version dated May 2015. The note in General Information has been revised to include New Cascadia. Espar information has been changed to reflect a company name change to Eberspaecher.
TechTalk5666412021-06-02. Service bulletin. Tech Talk Discussion Valve Stem Seal Installer Sleeve
FAB1602021-05-18. Service bulletin. Freightliner Action Bulletin FAB160 Rock Guard
FAB1532021-05-18. Service bulletin. Freightliner Action Bulletin FAB153 New Harness Highway for Cascadia
SB49342021-05-10. Service bulletin. DEF Tank Coolant Valve O-Ring Kit
TechTalk566564K2021-05-07. Service bulletin. Tech Talk discussion on DD13 rail pressure woes.
TechTalk566602K2021-05-05. Service bulletin. Tech Talk discussion on a Valve Stem Installer Sleeve.
16TS-08REV2021-04-24. Service bulletin. Detroit Technical Service Letter for DD13 Cylinder Head and Cylinder Head Gasket Change.
WI21-0092021-04-24. Service bulletin. Warranty Information letter announcing that DTNA is increasing the Standard Diagnostic Times (SDTs) shown. The updated after treatment system (ATS) diesel exhaust fluid (DEF) pump times will be applied to repair orders opened on or after April 12, 2021.
TechTalk12345K2021-04-06. Service bulletin. Tech Talk discussion on engine fan running all the time.