The Saturn Ion (2003–2007) was Saturn's compact car, offered with four-cylinder power including a high-output Red Line variant. The 2004 Saturn Ion factory service manual documents the specific engine and transmission for this model year.
Engine Service by Trim
The Ion's engine requires the correct oil specification and timing chain service interval documented in the factory manual, including the Red Line variant's supercharger-specific service requirements where applicable.
What This Ion Manual Covers
- Engine-specific service specs including supercharged Red Line (where applicable)
- Manual or automatic transmission fluid specification and service
- Complete electrical diagrams for all trim levels