The service and repair manual for the 2003 Lincoln LS — 3.9L V8 and 3.0L V6 engines, 4 trims. Matched to this exact model year, so the specifications and sequences are the ones Lincoln published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 2003 |
|---|---|
| Engines | 3.9L V8 — DOHC 3.0L V6 — 181 cu in, DOHC |
| Trims | LSE Sedan 4-Door · Base Sedan 4-Door · Sport Sedan 4-Door · Premium Sport Sedan 4-Door |
| Federal record | 1 recall · 113 complaints · 79 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2003 LS manual






03 / ContentsSections in the manual
- Quick Lookups 124
- General Information 1,681
- Accessories & Equipment 3,130
- Heating, Ventilation & A/C (HVAC) 172
- Body & Frame 1,289
- Maintenance 73
- Brakes 345
- Restraints 594
- Drivelines & Axles 291
- Steering 242
- Electrical 869
- Suspension 54
- Engine Mechanical 434
- Transmission 615
- Engine Performance 2,012
- Radiator Cap Pressure 16
04 / Known issuesRecalls on federal record for the 2003 LS
- Wheels · 03V136000If this condition occurs, the driver may experience noise and/or vibration while driving the vehicle.
Owners have filed 113 complaints and Lincoln has issued 79 technical service bulletins for the 2003 LS. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2003 LS manual
Is this manual specific to the 2003 LS?
Yes. It is the OEM manual matched to the 2003 model year, covering the 3.9L V8 and 3.0L V6 across the LSE Sedan 4-Door, Base Sedan 4-Door, Sport Sedan 4-Door, Premium Sport Sedan 4-Door trims. Specifications and procedure sequences are the ones Lincoln published for this year.
What 2003 LS problems does it help with?
1 recall is on federal record for the 2003 LS, covering wheels. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Lincoln dealers.
Does it include 2003 LS wiring diagrams?
Yes — the complete wiring diagrams for the 2003 build, alongside repair procedures, specifications and diagnostics.
Is it a subscription?
No. $29.99 once and the manual is yours. It is a digital manual — nothing ships; access details arrive by email after checkout and it works on any device.
RelatedOther LS years and 2003 Lincoln models
2006 LS · 2005 LS · 2004 LS · 2002 LS · 2001 LS · 2000 LS · all 7 years
2003 Lincoln Aviator · 2003 Lincoln Blackwood · 2003 Lincoln Continental · 2003 Lincoln Navigator · 2003 Lincoln Town Car · every 2003 model