The service and repair manual for the 2003 Mazda 6 — 2.3L I4 and 3.0L V6 engines, 2 trims. Matched to this exact model year, so the specifications and sequences are the ones Mazda published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 2003 |
|---|---|
| Engines | 2.3L I4 — 138 cu in, DOHC 3.0L V6 — 181 cu in, DOHC |
| Trims | i Sedan 4-Door · S Sedan 4-Door |
| Federal record | 9 recalls · 175 complaints · 155 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2003 6 manual
03 / ContentsSections in the manual
- Quick Lookups 303
- Engine Performance 2,517
- Accessories & Equipment 797
- General Information 1,806
- Body & Frame 279
- Heating, Ventilation & A/C (HVAC) 188
- Brakes 229
- Restraints 120
- Drivelines & Axles 155
- Steering 136
- Electrical 683
- Suspension 115
- Engine Mechanical 1,041
- Transmission 132
04 / Known issuesRecalls on federal record for the 2003 6
- Air Bags — frontal › passenger side › inflator module · 18V402000An inflator explosion may result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.
- Air Bags — frontal › passenger side › inflator module · 19V781000An inflator explosion may result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.
- Air Bags — frontal › driver side › inflator module · 17V474000In the event of a crash necessitating deployment of the driver's frontal air bag, the inflator could rupture with metal fragments striking the driver or other occupants resulting in serious injury or death.
- Exterior Lighting · 09E012000Decreased lighting visibility may result in a vehicle crash.
- Exterior Lighting — headlights · 09E025000Decreased lighting visibility may result in a vehicle crash.
- Equipment · 09E011000This may result in the bolt(s) snapping off during use or without a load. the unsecured rack and load can then come loose while driving creating a potential road hazard, possibly resulting in a vehicle crash.
- Parking Brake — indicator light · 03V207000Should this occur, it is possible that the float will not return to the guide rail and the brake fluid level warning indicator may not function.
- Fuel System, Gasoline — delivery · 03V531000A fire could occur in the presence of an ignition source.
- Exterior Lighting — fog lights · 03V206000Should this occur, the bulb socket and the harness can drop inside the bumper and possibly but rarely, the heat generated by the bulb can cause the bumper to burn.
Owners have filed 175 complaints and Mazda has issued 155 technical service bulletins for the 2003 6. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2003 6 manual
Is this manual specific to the 2003 6?
Yes. It is the OEM manual matched to the 2003 model year, covering the 2.3L I4 and 3.0L V6 across the i Sedan 4-Door, S Sedan 4-Door trims. Specifications and procedure sequences are the ones Mazda published for this year.
What 2003 6 problems does it help with?
9 recalls are on federal record for the 2003 6, covering air bags, exterior lighting, equipment. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Mazda dealers.
Does it include 2003 6 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 6 years and 2003 Mazda models
2009 6 · 2008 6 · 2007 6 · 2006 6 · 2005 6 · 2004 6 · all 19 years
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