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Service bulletin SB234005

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 id620760
Published by NHTSA2001-08-29
Manufacturer's numberSB234005
Manufacturer's date2001-07-20
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE

NHTSA's summary

SOME MODEL CHASSIS, EQUIPPED WITH EITHER AN E7 OR E-TECH ENGINE, MAY EXPERIENCE CRACKS IN THE EXHAUST POPE FLANGE AT THE TURBOCHARGER CONNECTION. *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 SERIES

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