2003 Ford Grand Marquis Service and Repair Manual
This factory service and repair manual for the 2003 Ford Grand Marquis is a reference for a single sedan design sold in two trims, Base and Equipado, with one engine, the 4.6L V8 (281 cu in), single-overhead-cam and naturally aspirated. The manual's procedures, specifications and torque values therefore describe the same V8 and four-door body for both trims, and the wiring diagrams and diagnostics cover the shared electrical system. For a shop, that keeps the work simple: the figures for one car are the figures for the other.
Engines covered
- 4.6L V8 (281 cu in) — SOHC, naturally aspirated, gasoline
Body styles covered
- 4-door sedan
Trims covered
- Base
- Equipado
Known issues on the 2003 Grand Marquis. The federal record on the 2003 Grand Marquis is clean, with no recalls and no owner complaints logged with NHTSA. What the manual covers regardless is the 4.6L V8 sedan, with procedures, specifications, torque values, wiring diagrams and diagnostics for the single-overhead-cam engine and for the rest of the sedan in either of its two trims.
