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Service bulletin 05N04

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 id10018959
Published by NHTSA2006-01-25
Manufacturer's number05N04
Manufacturer's date2005-12-14
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE

NHTSA's summary

EXTENDED COVERAGE PROGRAM 05N04 - EXTENDED COVERAGE FOR COMPOSITE INTAKE MANIFOLD. THIS PROGRAM IS BEING PROVIDED AS A SETTLEMENT TO A CLASS ACTION LAWSUIT. THE TERMS OF THE SETTLEMENT EXTEND THE COVERAGE OF THE ALL-COMPOSITE INTAKE MANIFOLD TO 7 YEARS FROM THE ORIGINAL WARRANTY START DATE OF THE VEHICLE, WITH NO LIMIT ON THE NUMBER OF MILES THAT THE VEHICLE HAS BEEN DRIVEN. *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
FORD CROWN VICTORIA1996, 1997, 1998, 1999, 2000, 2001
FORD EXPLORER2002
FORD MUSTANG1997, 1998, 1999, 2000, 2001
FORD THUNDERBIRD1997
LINCOLN TOWN CAR1996, 1997, 1998, 1999, 2000, 2001
MERCURY COUGAR1997
MERCURY GRAND MARQUIS1996, 1997, 1998, 1999, 2000, 2001
MERCURY MOUNTAINEER2002

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