🏷️ Basic Information Identification Make: Cadillac Model: DeVille Year: 2004 Codes Platform: G Chassis Code: GMT190 👋 Introduction Market Position Positioning: High-end luxury sedan focused on comfort and advanced features for its era. Competitive Analysis Competitors: Lincoln Town Car, Chrysler 300M, Mercedes-Benz E-Class, BMW 5 Series. Key Features Dvl Features: Northstar V8 engine, Magnetic Ride Control, StabiliTrak, Bose premium audio, onboard diagnostics. Manual Value Proposition Value: Provides dealership-level technical information for DIY repairs, saving time and money, empowering owners with knowledge. 📋 Manual Details Coverage Areas Primary Coverage: 2004 Cadillac DeVille (all models and trims) Secondary Coverage: General maintenance, diagnostics, repair procedures for all vehicle systems. Page Count Estimated Pages: Thousands (as a comprehensive digital manual) Manual Type Type: Factory Service Manual (FSM) / Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, fuel system, ignition, cooling, exhaust, emissions control, automatic transmission, driveline. Chassis: Suspension, steering, brakes (including ABS and parking brake), wheels, tires. Electrical: Starting and charging system, lighting, instrumentation, audio/visual, comfort controls (HVAC), power accessories, multiplex communication (CAN bus). Body Interior: Body panels, doors, locks, glass, mirrors, seats, restraints (SRS, seat belts), interior trim, instrument panel, exterior/interior lighting, wipers/washers. Procedures Included Maintenance: Scheduled maintenance, fluid checks and changes, filter replacements, lubrication. Diagnostics: Troubleshooting guides, diagnostic trouble codes (DTCs), symptom-based diagnostics, wiring schematic interpretation. Repair Rebuild: Component removal, installation, disassembly, assembly, calibration, and repair for all major systems. Adjustments: Alignment procedures, sensor adjustments, control module programming (where applicable). Technical Depth Depth: Expert-level, covering everything from basic fluid changes to complete engine and transmission overhauls. Includes detailed diagnostic strategies. 📊 Manual Specifications File Format Compatibility: Windows (Vista 32/64, XP, ME, 98, NT, 2000) and Mac compatible. Software Requirements: Adobe PDF Reader, Winzip (or equivalent decompression software). Print Quality Printability: Fully printable, allowing users to print specific pages or sections as needed. Image Quality: High-resolution diagrams and illustrations, with the ability to zoom and enlarge for clarity. Binding Type Binding: Digital (PDF) - no physical binding, promoting ease of access and storage. Paper Type Paper Type: N/A (Digital format) ⚙️ Engine Specifications Primary Engine Engine Code: L37 (4.6L Northstar V8), LD8 (4.6L Northstar V8) Displacement: 4.6 Liters (281 cubic inches) Performance Horsepower L37: 275 hp @ 6000 rpm Torque L37: 300 lb-ft @ 4000 rpm Horsepower Ld8: 270 hp @ 6000 rpm Torque Ld8: 292 lb-ft @ 4000 rpm Fuel System Induction: Sequential Fuel Injection (SFI) Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended) Cooling System Coolant Capacity: Approximately 10.5 quarts (9.9 liters) Coolant Type: Dex-Cool (GM 1825M) Orange Long-Life Coolant or equivalent 🔧 Transmission Standard Transmission Type: 4-speed automatic overdrive (4T80-E) Optional Optional Transmission: N/A (Only one automatic transmission option available for this model year) Features Features: Driver Shift Control (DSC) manual shifting mode. Fluid Specifications Transmission Fluid Type: Dexron III-H Automatic Transmission Fluid (ATF) or Dexron VI 📐 Dimensions Exterior Length: 206.7 inches (5250 mm) Width: 74.4 inches (1890 mm) Height: 57.7 inches (1465 mm) Wheelbase: 115.4 inches (2931 mm) Weights Curb Weight: Approximately 3800-4000 lbs (1724-1814 kg), varies by trim and options. Cargo Trunk Volume: 17.0 cubic feet (481 liters) 🛡️ Safety Features Ratings NHTSA Front Driver: 5 Stars (as per NHTSA data for similar models of the era) NHTSA Front Passenger: 5 Stars (as per NHTSA data for similar models of the era) IIHS Frontal Offset: Good (as per IIHS data for similar models of the era) Active Features Active Safety: Anti-lock Braking System (ABS), Traction Control System (TCS), StabiliTrak Stability Control, Magnetic Ride Control (optional). Passive Features Passive Safety: Front airbags, front side-impact airbags, dual-stage airbags, front and rear head curtain airbags, active head restraints, seat-belt pretensioners. 💡 Technology Features Infotainment Infotainment System: Integrated radio with CD player, cassette player (optional), and premium Bose sound system (optional). Digital dashboard display. Driver Assistance Driver Assistance Features: StabiliTrak Stability Control, Magnetic Ride Control (optional), Ultrasonic Rear Parking Assist (optional). Connectivity Connectivity: OnStar in-vehicle safety and communication system (subscription-based). Climate Control Climate Control: Dual-zone automatic climate control with rear seat vents. 🔧 Maintenance Service Intervals Oil Change Interval: Every 7,500 miles (12,000 km) or 12 months, whichever comes first, using synthetic oil. Tire Rotation: Every 7,500 miles (12,000 km) Transmission Fluid Change: Every 50,000-100,000 miles (80,000-160,000 km), consult manual for specific guidance. Fluid Specifications Engine Oil Viscosity: SAE 4.0W-30 Synthetic Engine Oil Capacity: 4.5 quarts (4.3 liters) with filter change Brake Fluid Type: DOT 3 Known Issues Common Issues: Northstar engine oil leaks (intake manifold gaskets, valve cover gaskets), coolant leaks (water pump, thermostat housing), ABS sensor failures, power steering pump leaks, occasional transmission solenoid issues. Common Issues Electrical: Window regulator failures, trunk actuator issues, instrument cluster problems (DIC displays). 📚 Vehicle History Brand Heritage Cadillac Heritage: Cadillac has a long-standing reputation for luxury, comfort, and advanced technology in American...