The service and repair manual for the 2003 Oldsmobile Alero — 2.2L I4 and 3.4L V6 engines, 6 trims. Matched to this exact model year, so the specifications and sequences are the ones Oldsmobile published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 2003 |
|---|---|
| Engines | 2.2L I4 — 134 cu in, DOHC 3.4L V6 — OHV |
| Trims | GL Sedan 4-Door · GL Coupe 2-Door · GX Coupe 2-Door · GLS Coupe 2-Door · GLS Sedan 4-Door · GX Sedan 4-Door |
| Federal record | 1 recall · 294 complaints · 243 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2003 Alero manual
03 / ContentsSections in the manual
- Quick Lookups 650
- Engine Performance 2,300
- Accessories & Equipment 2,699
- General Information 2,040
- Body & Frame 1,492
- Heating, Ventilation & A/C (HVAC) 206
- Brakes 489
- Restraints 511
- Drivelines & Axles 508
- Steering 161
- Electrical 2,208
- Suspension 158
- Engine Mechanical 606
- Transmission 433
04 / Known issuesRecalls on federal record for the 2003 Alero
- Vehicle Speed Control — accelerator pedal · 04V528000Failure to return to idle could result in a vehicle crash.
Owners have filed 294 complaints and Oldsmobile has issued 243 technical service bulletins for the 2003 Alero. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2003 Alero manual
Is this manual specific to the 2003 Alero?
Yes. It is the OEM manual matched to the 2003 model year, covering the 2.2L I4 and 3.4L V6 across the GL Sedan 4-Door, GL Coupe 2-Door, GX Coupe 2-Door, GLS Coupe 2-Door, GLS Sedan 4-Door, GX Sedan 4-Door trims. Specifications and procedure sequences are the ones Oldsmobile published for this year.
What 2003 Alero problems does it help with?
1 recall is on federal record for the 2003 Alero, 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 Oldsmobile dealers.
Does it include 2003 Alero 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 Alero years and 2003 Oldsmobile models
2004 Alero · 2002 Alero · 2001 Alero · 2000 Alero · 1999 Alero · all 6 years
2003 Oldsmobile Aurora · 2003 Oldsmobile Bravada · 2003 Oldsmobile Silhouette · every 2003 model