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Service bulletin 16518

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 id10004881
Published by NHTSA2004-01-13
Manufacturer's number16518
Manufacturer's date2003-10-30
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS

NHTSA's summary

ACCESSORY DRIVE BELT SQUEALING NOISE FROM THE ENGINE AREA WHEN THE ENGINE FAN CLUTCH IS ENGAGED WHILE OPERATED IN HOT DUSTY CLIMATES. VARIOUS MODELS INCLUDING 2003 F450/550. *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, Drive belts

Vehicles listed
FORD F-3502000, 2001, 2002, 2003
FORD F-450 SD2000, 2001, 2002 (the catalog's model; the bulletin names a series or trim of it)
FORD F-550 SD2000, 2001, 2002 (the catalog's model; the bulletin names a series or trim of it)

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

Other bulletins for the same vehicles and component
162912005-04-07. Service bulletin. LOUD SQUEALING NOISE FROM THE ENGINE AREA WHEN THE ENGINE FAN CLUTCH IS UNDER LOAD WHILE OPERATED IN HOT DUSTY CLIMATES. VEHICLES EQUIPPED WITH A 7.3L ENGINE. *TT
177162004-07-24. Service bulletin. BELT NOISE. *TT