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Service bulletin MB234006

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 id635626
Published by NHTSA2002-10-29
Manufacturer's numberMB234006
Manufacturer's date2002-06-28
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM

NHTSA's summary

EXHAUST BRAKE CYLINDER MODIFICATION. NLM

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

Vehicles listed
MACK FREEDOM

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