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Service bulletin 234007

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 id10002414
Published by NHTSA2003-08-28
Manufacturer's number234007
Manufacturer's date2003-05-05
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE

NHTSA's summary

HEAVY-DUTY MUFFLER AND HEAT SHIELD STANCHION STRAPS - RD6, RB AND MR MODEL CHASSIS. *TT

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
MACK MR
MACK RB
MACK RD

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