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Service bulletin sb2051

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 id10141692
Published by NHTSA2018-06-18
Manufacturer's numbersb2051
Manufacturer's date2018-02-26
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY

NHTSA's summary

sb2051 Radiator Surge Tank Vent Line Plumbing

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 CENTURY CLASS2002 to 2003
FREIGHTLINER COLUMBIA1997 to 2000
FREIGHTLINER COLUMBIA2001, 2002, 2003
FREIGHTLINER CONVENTIONAL1990 to 2003
FREIGHTLINER CORONADO2000
FREIGHTLINER CORONADO2001, 2002, 2003

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
sb20832018-06-18. Service bulletin. sb2083 FluidXchange Tool and FittingsB
sb20742018-06-18. Service bulletin. sb2074 Kysor Fan Clutch Rocking Runout Inspection
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sb20582018-06-18. Service bulletin. sb2058 Early EPA07 QLD Radiator Replacement
sb20482018-06-18. Service bulletin. sb2048 New Design Replacement Surge Tanks for Pre-EPA04 Vehicles
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
SF237A2002-04-04. Service bulletin. SUBJECT REGARDING AMEND ANTIFREEZE CONCENTRATION TO CORRECT FREEZE POINT. *TT