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Service bulletin 15921

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 id637822
Published by NHTSA2002-12-06
Manufacturer's number15921
Manufacturer's date2002-05-01
NHTSA componentENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

CONCERNS WITH ENGINE OIL LEAKING FROM CYLINDER HEAD. *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

Vehicles listed
FORD F-6502002, 2003
FORD F7502002, 2003

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

Recalls for the same vehicles and component
20074032007-12-12. Engine

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
062462007-07-25. Service bulletin. DTC'S P006A OR P132B - LACKS POWER, SURGE, OR FLUTTER AFTER FIELD SERVICE ACTION 06E17. *KB
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
021772004-08-06. Service bulletin. COOLING SYSTEM-MOTORCRAFT PREMIUM GOLD ENGINE COOLANT-SERIVCE TIPS. *MJ
022262004-07-27. Service bulletin. NOISE-KNOCKING/CACKLING COMING FROM ENGINE-VEHICLES WITH 7.3L ENGINE-AVAILABILITY OF FUEL SYSTEM ACCUMULATOR. *MJ
174062004-07-26. Service bulletin. LOW POWER, POOR FUEL ECONOMY, FUEL GELLING COLD, EXCESSIVE WHITE SMOKE COLD, OR HARD START. *MJ THIS OASIS UPDATES PREVIOUS OASIS DATED 12/01/03. *TT
0321502004-01-12. Service bulletin. HIGH PRESSURE OIL PUMP LEAK ON VEHICLES EQUIPPED WITH 7.3L DIESEL ENGINE. *TT
0321472004-01-12. Service bulletin. SOME MEDIUM DUTY VEHICLES EQUIPPED WITH THE 7.3L POWERSTROKE DIESEL ENGINE MAY EXHIBIT KNOCKING OR CACKLING NOISE COMING FROM THE ENGINE. AVAILABILITY OF FUEL SYSTEM ACCUMULATOR. *TT
0321462004-01-12. Service bulletin. ENGINE OIL PAN CORROSION ON VEHICLES EQUIPPED WITH THE 7.3L DIESEL ENGINE. VARIOUS MODELS INCLUDING 2003 SUPER DUTY F SERIES. *TT