The service and repair manual for the 2003 Subaru Impreza — 2.0L H4 and 2.5L H4 engines, 5 trims. Matched to this exact model year, so the specifications and sequences are the ones Subaru published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 2003 |
|---|---|
| Engines | 2.0L H4 — 122 cu in, DOHC, turbocharged 2.5L H4 — 150 cu in, SOHC |
| Trims | WRX Sedan 4-Door · Outback Wagon 4-Door · RS Sedan 4-Door · WRX Wagon 4-Door · TS Wagon 4-Door |
| Federal record | 4 recalls · 64 complaints · 130 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2003 Impreza manual
03 / ContentsSections in the manual
- Quick Lookups 157
- Engine Performance 825
- Accessories & Equipment 914
- General Information 1,601
- Body & Frame 295
- Heating, Ventilation & A/C (HVAC) 83
- Brakes 594
- Restraints 99
- Drivelines & Axles 88
- Steering 160
- Electrical 461
- Suspension 122
- Engine Mechanical 603
- Transmission 232
- C) and engine at 1,500
04 / Known issuesRecalls on federal record for the 2003 Impreza
- Vehicle Speed Control — cables · 04V128000If this occurs during vehicle operation, the driver could lose control of the vehicle, which could r.
- Seats · 04V342000In the event of a crash, the driver may sustain more severe injuries due to the seat movement.
- Suspension — front › control arm › lower arm · 11V464000A broken control arm can result in the loss of control of the vehicle, increasing the risk of a cras.
- Fuel System, Gasoline — delivery › fuel pump · 09V468000Fuel leaks, in the presence of an ignition source, could result in a fire.
Owners have filed 64 complaints and Subaru has issued 130 technical service bulletins for the 2003 Impreza. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2003 Impreza manual
Is this manual specific to the 2003 Impreza?
Yes. It is the OEM manual matched to the 2003 model year, covering the 2.0L H4 and 2.5L H4 across the WRX Sedan 4-Door, Outback Wagon 4-Door, RS Sedan 4-Door, WRX Wagon 4-Door, TS Wagon 4-Door trims. Specifications and procedure sequences are the ones Subaru published for this year.
What 2003 Impreza problems does it help with?
4 recalls are on federal record for the 2003 Impreza, covering vehicle speed control, seats, suspension. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Subaru dealers.
Does it include 2003 Impreza 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 Impreza years and 2003 Subaru models
2009 Impreza · 2008 Impreza · 2007 Impreza · 2006 Impreza · 2005 Impreza · 2004 Impreza · 2002 Impreza · 2001 Impreza · 2000 Impreza · 1999 Impreza · 1998 Impreza · 1997 Impreza · all 32 years
2003 Subaru Baja · 2003 Subaru Forester · 2003 Subaru Legacy · 2003 Subaru Outback · every 2003 model