# Service bulletin FSB\-258\-026

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: 10040693
- Published by NHTSA: 2011\-09\-08
- Manufacturer's number: FSB\-258\-026
- Manufacturer's date: 2011\-06\-01
- NHTSA component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR

## NHTSA's summary

MACK TRUCKS: THE LOCATION OF THE NITROUS OXYDE SENSOR AND PIPING AROUND IT HAS BEEN CHANGED TO PROTECT IT FROM MOISTURE DAMAGE IF WATER ENTERS THE EXHAUST. \*RM

## 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, Exhaust and emissions, Catalytic converter

## Vehicles listed

- 2009 to 2010 MACK CHU
- 2009 to 2010 MACK CXU
- 2009 to 2011 MACK GU
- 2011 MACK PINNACLE \(CHU\)
- 2011 MACK PINNACLE \(CXU\)
- 2010 MACK TD713
- 2009 to 2010 MACK TD714

JSON: [/v1/bulletins/10040693](/v1/bulletins/10040693)

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