🏷️ Basic Information Identification Make: Buick Model: Rainier Year: 2004 Codes Platform: GMT360 👋 Introduction Market Position Vehicle Segment: Mid-size Luxury SUV Target Audience: Families seeking comfort, utility, and premium features Competitive Analysis Key Competitors: Ford Explorer, Jeep Grand Cherokee, Toyota 4Runner, Nissan Pathfinder Key Features Platform Sharing: Shared platform with Chevrolet TrailBlazer and GMC Envoy Luxury Appointments: Available leather upholstery, premium audio, enhanced comfort features 📋 Manual Details Coverage Areas Manual Type: Owner's Manual Language: English Format: PDF Page Count Estimated Page Count: 150-200 📖 Manual Coverage Systems Covered Powertrain Systems: Engine, Transmission, Drivetrain Chassis Systems: Suspension, Steering, Brakes, Wheels & Tires Electrical Systems: Lighting, Instruments, Gauges, Power Accessories, Audio System Comfort And Convenience: Climate Control, Seating, Interior Features, Exterior Features Procedures Included Operation Controls: Dashboard Controls, Steering Wheel Controls, Shifter Operation Maintenance Schedules: Scheduled Maintenance Intervals (Oil Changes, Filter Replacements, Fluid Checks) Diy Tasks: Fluid Level Checks, Wiper Blade Replacement, Bulb Replacement, Tire Pressure Adjustment Safety Considerations: Seat Belt Usage, Airbag System, Child Seat Installation, Emergency Procedures Towing Guidelines: Towing Capacity, Trailer Hitching, Trailer Wiring Connections Technical Depth Depth Level: Consumer-Level Operations and Basic Maintenance 📊 Manual Specifications File Format File Type: PDF (Portable Document Format) Searchability: Text-searchable content for quick information retrieval Print Quality Resolution: High-resolution for clear text and diagrams Readability: Optimized for digital viewing and printing Binding Type Binding Type For Digital: N/A (Digital File) Paper Type Paper Type For Digital: N/A (Digital File) ⚙️ Engine Specifications Primary Engine Engine Type: Inline-6 Cylinder, Vortec 4200 Engine Displacement: 4.2 Liters (4195 cc) Performance Horsepower: 270 hp @ 6000 rpm Torque: 275 lb-ft @ 3600 rpm Fuel System Fuel Delivery: Sequential Fuel Injection (SFI) Fuel Type: Unleaded Gasoline (87 Octane Recommended) Engine Codes Engine Family: Atlas (LL8) Optional Engine Optional Engine Type: V8, Vortec 5300 Optional Engine Displacement: 5.3 Liters (5328 cc) Optional Horsepower: 285 hp @ 5200 rpm Optional Torque: 325 lb-ft @ 4000 rpm 🔧 Transmission Standard Transmission Type: 4-Speed Automatic Transmission Transmission Model: 4L60-E (Electronically Controlled) Optional Optional Transmission Type: N/A for 2004 model year Features Drivetrain Options: Rear-Wheel Drive (RWD), On-Demand Four-Wheel Drive (4WD) Transmission Fluid Type: Dexron III/Mercon (or equivalent) 📐 Dimensions Exterior Length: 193.4 inches (4912 mm) Width: 75.1 inches (1908 mm) Height: 72.1 inches (1831 mm) Wheelbase: 113 inches (2870 mm) Interior Passenger Volume: Approx. 104.5 cubic feet Cargo Cargo Volume Behind 2Nd Row: Approx. 40.8 cubic feet Cargo Volume With 2Nd Row Folded: Approx. 82.5 cubic feet Weights Curb Weight: Approx. 4,600 - 4,800 lbs (depending on configuration) Gross Vehicle Weight Rating: Approx. 6,000 - 6,200 lbs Towing Capacity: Up to 6,200 lbs (with proper trailering package and V8 engine) 🛡️ Safety Features Ratings NHTSA Front Impact Driver: 5 Stars NHTSA Front Impact Passenger: 5 Stars NHTSA Side Impact Front Passenger: 4 Stars NHTSA Side Impact Rear Passenger: 3 Stars Rollover Resistance Rating: 4 Stars (with AWD) Active Features Traction Control: Standard on all models Anti-Lock Brakes: Standard Electronic Stability Control: Available (StabiliTrak) Passive Features Airbags: Frontal airbags for driver and front passenger, available front side-impact airbags Seat Belts: 3-point active seat belts with pretensioners Child Seat Anchors: LATCH (Lower Anchors and Tethers for CHildren) system 💡 Technology Features Infotainment Audio System: Premium Bose® audio system available, AM/FM stereo with CD player Navigation: Optional factory-installed navigation system Driver Assistance Parking Assistance: Optional rear parking assist sensors Connectivity Onstar: Available OnStar® communications system Convenience Features Remote Keyless Entry: Standard Power Liftgate: Available 🔧 Maintenance Service Intervals Oil Change Interval: Every 7,500 miles or 6 months (whichever comes first) under normal driving conditions Engine Air Filter Replacement: Every 30,000 miles or as needed based on inspection Cabin Air Filter Replacement: Every 12,000 miles or 12 months Coolant Flush Interval: Every 5 years or 100,000 miles (initial change), then every 2 years or 50,000 miles Fluid Specifications Engine Oil Type: SAE 5W-30 Synthetic Blend or Full Synthetic Engine Oil Capacity: 7.0 Quarts (6.6 Liters) with filter change (Vortec 4200 I6) Coolant Type: Dex-Cool® (GM P/N 12378529 or equivalent orange silicate-free) Brake Fluid Type: DOT 3 Known Issues Common Complaints Engine: Rear main seal leaks, occasional misfires due to ignition coil failure, fuel pump issues Common Complaints Transmission: Slipping or hard shifts, potential valve body issues Common Complaints Suspension Steering: Worn ball joints, tie rod ends, and control arm bushings Common Complaints Electrical: HVAC blower motor resistor failure, power window motor issues 📚 Vehicle History Brand Heritage Buick Legacy: Long-standing reputation for comfort, quietness, and value within GM Model Evolution First Generation Launch: Introduced for the 2002 model year Positioning Within Buick Lineup: Buick's first dedicated SUV, aimed at a more upscale market than the Envoy/Trailblazer Production Manufacturing Location: Moraine, Ohio, USA (GM's Moraine Assembly Plant) Production Years: 2002-2007 🏆 Awards & Recognition Recognitions Type Of Recognition: Consumer satisfaction surveys and safety ratings...