# Service bulletin sb2028

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.

- Type: Service bulletin
- NHTSA id: 10141672
- Published by NHTSA: 2018\-06\-18
- Manufacturer's number: sb2028
- Manufacturer's date: 2018\-02\-26
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

sb2028 Engine Coolant Changes

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10141672-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10141672-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine

## Vehicles listed

- 1991 to 2003 FREIGHTLINER BUSINESS CLASS
- 2004 to 2007 FREIGHTLINER BUSINESS CLASS M2
- 2005 to 2007 FREIGHTLINER BUSINESS CLASS M2 106V
- 1997 to 2007 FREIGHTLINER CENTURY CLASS
- 1990 to 2007 FREIGHTLINER CONVENTIONAL
- 1991 to 1996 FREIGHTLINER FLB
- 1998 to 2000 FREIGHTLINER FLB
- 2001 FREIGHTLINER FLB
- 2004 to 2007 FREIGHTLINER FLD

## Other bulletins for the same vehicles and component

- [sb2032](/bulletins/10141675.md), 2018-06-18, Service bulletin: ENGINE AND ENGINE COOLING. sb2032 Gates PowerGrip Hose Clamps, Replacement
- [sb2031](/bulletins/10141674.md), 2018-06-18, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM. sb2031 Horton Fan Clutches with 32\-Inch Fans
- [sb2024](/bulletins/10141669.md), 2018-06-18, Service bulletin: ENGINE AND ENGINE COOLING. sb2024 Horton Fan Clutch Changes

JSON: [/v1/bulletins/10141672](/v1/bulletins/10141672)

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