The service and repair manual for the 2004 Saturn Ion — 2.2L I4 and 2.0L I4 engines, 6 trims. Matched to this exact model year, so the specifications and sequences are the ones Saturn published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 2004 |
|---|---|
| Engines | 2.2L I4 — 134 cu in, DOHC 2.0L I4 — DOHC, supercharged |
| Trims | 1 Sedan 4-Door · 2 Sedan 4-Door · 3 Sedan 4-Door · 2 Coupe 4-Door · 3 Coupe 4-Door · Red Line Coupe 4-Door |
| Federal record | 7 recalls · 1,124 complaints · 288 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2004 Ion manual






03 / ContentsSections in the manual
- Quick Lookups 459
- General Information 1,883
- Accessories & Equipment 3,135
- Heating, Ventilation & A/C (HVAC) 204
- Body & Frame 1,671
- Maintenance 33
- Brakes 439
- Restraints 248
- Drivelines & Axles 33
- Steering 339
- Electrical 1,563
- Suspension 149
- Engine Mechanical 574
- Transmission 149
- Engine Performance 1,800
04 / Known issuesRecalls on federal record for the 2004 Ion
- Exterior Lighting — turn signal · 04V547000If a front turn signal lamp is inoperative, others may react more slowly to a turning vehicle and a.
- Air Bags · 14V047000If the key is not in the run position, the air bags may not deploy if the vehicle is involved in a c.
- Fuel System, Other — delivery › fuel pump · 04V281000Fuel leakage, in the presence of an ignition source, could result in a fire.
- Exterior Lighting · 09E012000Decreased lighting visibility may result in a vehicle crash.
- Structure — body › bumpers · 04V002000Long term durability of the joint may be reduced and separation of the bumper from the frame on the.
- Fuel System, Gasoline · 04V003000If corrosion on the exterior surface of the fuel filter progresses to the point of creating a hole i.
- Visibility — power window devices and controls · 04V004000If unsupervised children are left unattended in the vehicle and operate the power windows or sunroof.
Owners have filed 1,124 complaints and Saturn has issued 288 technical service bulletins for the 2004 Ion. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2004 Ion manual
Is this manual specific to the 2004 Ion?
Yes. It is the OEM manual matched to the 2004 model year, covering the 2.2L I4 and 2.0L I4 across the 1 Sedan 4-Door, 2 Sedan 4-Door, 3 Sedan 4-Door, 2 Coupe 4-Door, 3 Coupe 4-Door, Red Line Coupe 4-Door trims. Specifications and procedure sequences are the ones Saturn published for this year.
What 2004 Ion problems does it help with?
7 recalls are on federal record for the 2004 Ion, covering exterior lighting, air bags, fuel system, other. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Saturn dealers.
Does it include 2004 Ion wiring diagrams?
Yes — the complete wiring diagrams for the 2004 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 Ion years and 2004 Saturn models
2007 Ion · 2006 Ion · 2005 Ion · 2003 Ion · all 5 years