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Service bulletin sb2048

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 id10141689
Published by NHTSA2018-06-18
Manufacturer's numbersb2048
Manufacturer's date2018-02-26
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM

NHTSA's summary

sb2048 New Design Replacement Surge Tanks for Pre-EPA04 Vehicles

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
FREIGHTLINER CENTURY CLASS2002 to 2004
FREIGHTLINER COLUMBIA2002, 2003
FREIGHTLINER CORONADO2002, 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
sb20692018-06-18. Service bulletin. sb2069 Kysor Fan Clutch Sticking
sb20582018-06-18. Service bulletin. sb2058 Early EPA07 QLD Radiator Replacement
sb20512018-06-18. Service bulletin. sb2051 Radiator Surge Tank Vent Line Plumbing
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