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Service bulletin 2025

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 id37888
Published by NHTSA1995-01-13
Manufacturer's number2025
Manufacturer's date1994-11-01
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM

NHTSA's summary

NEW LONG LIFE COOLANT FOR CATERPILLAR ENGINES. *TW

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, Cooling system

Vehicles listed
FREIGHTLINER COE
FREIGHTLINER CONVENTIONAL
FREIGHTLINER FLC112

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