The service and repair manual for the 2003 Land Rover Discovery — the 4.6L V8 engine, 4 trims. Matched to this exact model year, so the specifications and sequences are the ones Land Rover published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 2003 |
|---|---|
| Engines | 4.6L V8 — 278 cu in, OHV |
| Trims | SE Sport Utility 4-Door · S Sport Utility 4-Door · HSE Sport Utility 4-Door · Base Sport Utility 4-Door |
| Federal record | 1 recall · 69 complaints · 2 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2003 Discovery manual
03 / ContentsSections in the manual
- Quick Lookups 492
- General Information 1,719
- Accessories & Equipment 1,078
- Heating, Ventilation & A/C (HVAC) 222
- Body & Frame 499
- Maintenance 103
- Brakes 285
- Restraints 42
- Drivelines & Axles 61
- Steering 106
- Electrical 1,355
- Suspension 245
- Engine Mechanical 159
- Transmission 243
- Engine Performance 1,247
04 / Known issuesRecalls on federal record for the 2003 Discovery
- Vehicle Speed Control — cables · 03V133000In the case where a throttle fails to return to idle, particularly after a high degree of engine thr.
Owners have filed 69 complaints and Land Rover has issued 2 technical service bulletins for the 2003 Discovery. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2003 Discovery manual
Is this manual specific to the 2003 Discovery?
Yes. It is the OEM manual matched to the 2003 model year, covering the 4.6L V8 across the SE Sport Utility 4-Door, S Sport Utility 4-Door, HSE Sport Utility 4-Door, Base Sport Utility 4-Door trims. Specifications and procedure sequences are the ones Land Rover published for this year.
What 2003 Discovery problems does it help with?
1 recall is on federal record for the 2003 Discovery, covering vehicle speed control. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Land Rover dealers.
Does it include 2003 Discovery 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 Discovery years and 2003 Land Rover models
2004 Discovery · 2002 Discovery · 2001 Discovery · 2000 Discovery · 1999 Discovery · 1998 Discovery · 1997 Discovery · all 22 years
2003 Land Rover Defender 110 · 2003 Land Rover Defender 90 · 2003 Land Rover Freelander · 2003 Land Rover Range Rover · every 2003 model