# Service bulletin FSB\-252\-029

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: 10055987
- Published by NHTSA: 2014\-08\-08
- Manufacturer's number: FSB\-252\-029
- Manufacturer's date: 2014\-05\-01
- NHTSA component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE

## NHTSA's summary

MACK TRUCK: MUFFLER INLET PIPE WILL FALL OUT, AND A NEW MUFFLER INLET PIPE, TURBORCHARGER OUTLET PIPE, LENGTHENED EXHAUST FLEX PIPE WAS DESIGNED TO ADDRESS THIS CONDITION AND WORK TOGETHER TO REDUCE RIGIDITY. \*PE

## 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, Exhaust manifold, pipes and muffler

## Vehicles listed

- 2007 to 2013 MACK MRU

JSON: [/v1/bulletins/10055987](/v1/bulletins/10055987)

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