# Service bulletin SB\-21\-4058

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: 10027766
- Published by NHTSA: 2009\-02\-03
- Manufacturer's number: SB\-21\-4058
- Manufacturer's date: 2008\-10\-24
- NHTSA component: ENGINE AND ENGINE COOLING:ENGINE:DIESEL

## NHTSA's summary

MACK TRUCKS: REVISED EGR MIXER INLET TUBE. PREMATURE FAILURE OF THE EGR MIXER INLET TUBE MAY BE EXPERIENCED ON CERTAIN MACK MP8 ENGINES. MODEL AND MODELY YEARS UNKNOWN. \*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

## Vehicles listed

- MACK MACK

JSON: [/v1/bulletins/10027766](/v1/bulletins/10027766)

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