🏷️ Basic Information Identification Make: Saturn Model: ION Year: 2004 Codes Platform: GM Delta Platform 👋 Introduction Market Position Segment: Compact Car / Entry-level sedan and coupe Competitive Analysis Competitors: Honda Civic, Toyota Corolla, Ford Focus, Chevrolet Cavalier/Cobalt Key Features Unique Selling Points: Unique polymer body panels (dent resistance), distinctive styling, affordability Manual Advantage Digital Benefit: Instant access, searchability, interactive diagrams, always up-to-date (within subscription period) 📋 Manual Details Coverage Areas Primary Coverage: All mechanical and electrical systems of the 2004 Saturn ION Diagnostics: Comprehensive diagnostic procedures and troubleshooting guides Page Count Estimated Pages: Extensive (Digital format, equivalent to several thousand printed pages) Manual Type Type: Service and Repair Manual Software Language Language: English Format Format: Online Software/Web-based Access Access Duration: 1 Year (with renewal options) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, cylinder head, block, crankshaft, pistons, connecting rods, camshafts, timing systems, lubrication system, cooling system Engine Performance: Fuel injection, ignition system, emissions control, turbocharging (if applicable), engine management system diagnostics Transmission Manual: Manual transmission assembly, clutch system, shift linkages, gear ratios Transmission Automatic: Automatic transmission assembly, torque converter, hydraulic control, electronic controls, fluid specifications Drivetrain: Front-wheel drive axles, CV joints, differential, drive shafts Suspension: Front suspension (MacPherson struts, control arms, ball joints), rear suspension (torsion beam or independent), shock absorbers, springs, bushings Steering: Power steering system (hydraulic or electric), steering column, rack and pinion, tie rods, wheel alignment specifications Brakes: Front and rear brake systems (disc or drum), ABS (Anti-lock Braking System), EBD (Electronic Brake-force Distribution), brake fluid specifications, bleeding procedures Electrical System: Battery, charging system (alternator), starting system, ignition switch, wiring diagrams, fuses, relays Lighting: Headlights, taillights, interior lighting, fog lights, bulb specifications Body And Interior: Body panels, doors, hood, trunk, bumpers, interior trim, seats, airbags, seatbelts HVAC: Heating, Ventilation, and Air Conditioning (HVAC) system, refrigerant type and charge, blower motor, evaporator, condenser, cabin air filter Infotainment: Audio system, radio, speakers, navigation system (if equipped), display units Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks and top-offs, tire rotations, spark plug replacement, brake pad replacement Troubleshooting: Diagnostic flowcharts, common problems and solutions, electrical system diagnostics, engine performance issues Component Repair: Detailed disassembly and reassembly instructions for all major components Body Repair: Panel replacement, dent repair, collision repair guidance Electrical Diagnostics: Wiring harness repair, connector testing, sensor diagnostics Technical Depth Depth: Factory-level detail, suitable for professional technicians and advanced DIYers Torque Specifications: Precise torque values for all critical fasteners Special Tools: Identification and usage of special tools required for specific repairs 📊 Manual Specifications File Format Compatibility: PC, Laptop, Smartphone, Tablet (via web browser) Print Quality Printability: Digital format allows for printing of specific sections Binding Type Binding: N/A (Digital) Paper Type Paper: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Code: L61 Engine Type: Naturally Aspirated Inline 4-Cylinder (I4) Displacement: 2.2 Liters (2198 cc) Bore X Stroke: 86.0 mm x 94.6 mm Compression Ratio: 9.5:1 Performance Horsepower: 140 hp @ 5600 RPM Torque: 145 lb-ft @ 4000 RPM Fuel System Fuel Delivery: Sequential Multi-port Fuel Injection (MPFI) Fuel Type: Unleaded Gasoline, 87 Octane (Recommended) Engine Features Valvetrain: Dual Overhead Camshafts (DOHC), 16 Valves Block Material: Aluminum Alloy Head Material: Aluminum Alloy 🔧 Transmission Standard Type: 5-Speed Manual Transmission Optional Type: 4-Speed Automatic Transmission (Option: 4T45-E) Features Automatic Control: Electronic transmission control module (ETCM) Fluid Specs Manual Transmission Fluid: Dexron III/Mercon compatible manual transmission fluid or equivalent Automatic Transmission Fluid: Dexron VI Automatic Transmission Fluid (ATF) or equivalent (Check specific model VIN) 📐 Dimensions Exterior Length: 175.0 inches Width: 67.4 inches Height: 55.9 inches Wheelbase: 103.2 inches Weights Curb Weight Min: 2750 lbs (approx. for manual transmission coupe) Curb Weight Max: 2900 lbs (approx. for automatic transmission sedan) Cargo Trunk Volume Sedan: 13.2 cubic feet Trunk Volume Coupe: 10.4 cubic feet 🛡️ Safety Features Ratings NHTSA Front Driver: Good (NHTSA rating varies by test and year) NHTSA Front Passenger: Good (NHTSA rating varies by test and year) IIHS Side Impact: Acceptable (IIHS rating varies by test and year) Active Features ABS: Standard (4-wheel Anti-lock Braking System) Traction Control: Optional (TCS) Passive Features Airbags: Standard front airbags, optional side-impact airbags Seatbelts: 3-point front and rear seatbelts, pretensioners 💡 Technology Features Infotainment Audio System: AM/FM stereo with CD player, optional premium audio system with amplifier and subwoofer Display: Digital odometer and trip computer display Driver Assistance Cruise Control: Standard Connectivity Onstar: Optional (if equipped, service may be discontinued) 🔧 Maintenance Service Intervals Oil Change: Every 7,500 miles or 6 months, whichever comes first Air Filter Replacement: Every 30,000 miles or 24 months Spark Plug Replacement: Every 100,000 miles (Iridium type) Coolant Flush: Every 50,000 miles or 48 months Fluid Specifications Engine Oil Capacity: 4.5 quarts (4.3 liters) with filter Engine Oil Type: SAE 5W-30 Synthetic Blend or Full Synthetic (API Certified) Coolant Type: GM P/N 12346290...