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Service bulletin 250701

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 id621240
Published by NHTSA2001-09-12
Manufacturer's number250701
Manufacturer's date2001-07-25
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM

NHTSA's summary

INFORMATION ON INSTALLING THE APPROPRIATE VERTICAL EXHAUST HARDWARE DURING PRE-DELIVERY INSPECTION. *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

Vehicles listed
GMC MEDIUM DUTY

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