2003 Ford F-450 Super Duty Service and Repair Manual

This factory service and repair manual for the 2003 Ford F-450 Super Duty catches the truck mid-changeover, with three engines on its list: the turbocharged 6.0L V8 diesel, the turbocharged 7.3L V8 diesel and the naturally aspirated 6.8L V10 on gasoline. Three chassis bodies are covered in crew cab, extended cab and conventional forms, under four trims of Base, Lariat, XL and XLT. Having both diesels in one book means the specifications, torque values, wiring diagrams and diagnostics for each are kept apart, system by system.

Engines covered

• 6.0L V8 (363 cu in) — OHV, turbocharged, diesel
• 6.8L V10 (415 cu in) — SOHC, naturally aspirated, gasoline
• 7.3L V8 (445 cu in) — OHV, turbocharged, diesel

Body styles covered

• 4-door cab & chassis, crew cab
• 2-door cab & chassis, conventional
• 4-door cab & chassis, extended cab

Trims covered

• Base
• Lariat
• XL
• XLT

Known issues on the 2003 F-450 Super Duty. Six recalls are on federal record for this year. One is specific to trucks with the 6.0L diesel, where a loose engine ground stud can send current through the radio suppression strap and heat it; two more cover the speed control deactivation switch and its potential to leak or overheat into a fire; another addresses 7.3L diesel trucks whose camshaft position sensor may function intermittently and stall the engine. Owners have filed 16 complaints with NHTSA, clustered on the fuel system, engine cooling and the suspension. Grounding, fuel and cooling diagnostics are precisely what this manual sets out.