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Service bulletin 4711

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 id620328
Published by NHTSA2001-08-03
Manufacturer's number4711
Manufacturer's date2001-04-01
NHTSA componentFUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY

NHTSA's summary

SUBJECT REGARDING ISX FUEL TANK PRESSURE. THIS INFORMATION PERTAINS TO VEHICLES (INCLUDING COLUMBIA) BUILT WITH CUMMINS ISX ENGINES (MOST COMMONLY SIGNATURE 600). *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

Fuel system, Fuel tank

Vehicles listed
FREIGHTLINER ARGOSY
FREIGHTLINER CENTURY
FREIGHTLINER COLUMBIA
FREIGHTLINER FLD

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