🏷️ Basic Information Identification Make: Cadillac Model: STS Year: 2008 Codes Chassis Code: GMT186 👋 Introduction Market Position Target Audience: DIY Enthusiasts, Independent Repair Shops, Cadillac Owners Competitive Analysis Vs Printed Manuals: More Convenient, Less Expensive, Instant Access, Searchable Content Key Features Licensing: Officially Licensed by GM/Cadillac (via OE data derivation) Developer: RepairSurge 📋 Manual Details Coverage Areas Primary Coverage: 2008 Cadillac STS Page Count Estimated Pages: Thousands (Comprehensive OE Data) Manual Type Type: Online Service and Repair Manual Software Language Language: English Format Format: Web-based Software (Accessible via Browser) 📖 Manual Coverage Systems Covered Powertrain: Engine, Transmission, Drivetrain (AWD/RWD) Chassis: Suspension, Steering, Brakes, Wheels, Tires Body And Frame: Body Panels, Doors, Windows, Exterior Trim, Interior Trim Electrical: Wiring Diagrams, Lighting, Power Accessories, Control Modules, Diagnostics HVAC: Heating, Ventilation, Air Conditioning System Components and Diagnostics Comfort And Convenience: Power Seats, Lumbar Support, Heated/Ventilated Seats, Power Windows/Locks/Mirrors, Sunroof Operation Procedures Included Maintenance: Scheduled Maintenance, Fluid Changes, Filter Replacements, Lubrication Repair: Component Replacement, System Diagnosis, Troubleshooting, Major Overhaul Diagnostics: Diagnostic Trouble Code (DTC) Interpretation, Symptom-Based Troubleshooting Specifications: Torque Values, Clearances, Fluid Capacities, Electrical Specifications Engine Repair: Engine Mechanical Diagnosis, Cylinder Head Removal/Installation, Piston and Connecting Rod Service, Crankshaft Service, Timing System Service. Transmission Repair: Transmission Fluid and Filter Service, Torque Converter Replacement, Valve Body Diagnosis and Repair, Internal Transmission Component Service. Brake System Repair: Brake Pad and Rotor Replacement, Brake Caliper Service, Brake Fluid Flush, ABS System Diagnosis. Technical Depth Depth: Factory-Level Diagnostic and Repair Procedures, OE (Original Equipment) Data Wiring Diagrams: Detailed, Color-Coded Wiring Diagrams for all major systems, including Powertrain Control, Body Control, Chassis Control, and Infotainment. 📊 Manual Specifications File Format Software Compatibility: Any PC, Laptop, Smartphone, or Tablet with Internet Connection and Web Browser Print Quality Access Model: 1-Year Subscription, Discounts for Renewal Binding Type License Type: Officially Licensed, Derived from OE Materials Paper Type Update Frequency: Not Applicable (Online Software) ⚙️ Engine Specifications Primary Engine Engine Options: 3.6L V6 VVT DI (LF3) and 4.6L V8 VVT (LH2) 3.6L V6 Horsepower: 302 hp @ 6300 rpm 3.6L V6 Torque: 272 lb-ft @ 4800 rpm 4.6L V8 Horsepower: 320 hp @ 6400 rpm 4.6L V8 Torque: 295 lb-ft @ 4400 rpm Engine Codes: 3.6L V6: LF3; 4.6L V8: LH2 Fuel System Fuel Type: Premium Unleaded Gasoline Injection Type: Sequential Fuel Injection (SFI) for V6, Electronic Fuel Injection (EFI) for V8 🔧 Transmission Standard Transmission Type: 6-speed Automatic with Driver Shift Control Optional Drivetrain Options: Rear-Wheel Drive (RWD) and All-Wheel Drive (AWD) Features Transmission Fluid Type: Dexron VI (Refer to Manual for Specific Capacity) 📐 Dimensions Exterior Length: 199.1 inches Width: 72.5 inches Height: 57.5 inches Wheelbase: 115.4 inches Weights Curb Weight Approx: 4030 - 4200 lbs (Varies by Drivetrain and Engine) 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star (Driver), 5-Star (Passenger) NHTSA Side Impact: 5-Star (Driver), 5-Star (Rear Passenger) IIHS Front Offset Crash Test: Good Active Features ABS: Standard 4-wheel Anti-lock Braking System (ABS) Traction Control: Standard Traction Control System (TCS) Stability Control: Standard StabiliTrak Electronic Stability Control Passive Features Airbags: Frontal, Side-Impact, and Curtain Airbags 💡 Technology Features Infotainment Infotainment System: Cadillac's Integrated Audio System with touch screen, navigation optional. Audio Features: AM/FM Stereo, CD Player, MP3 Capability, Optional Bose Premium Audio System. Driver Assistance Adaptive Cruise Control: Optional Adaptive Cruise Control (ACC) Parking Assist: Optional Rear Parking Assist Connectivity Connectivity Options: OnStar Turn-by-Turn Navigation and Communications System (Subscription Required) 🔧 Maintenance Service Intervals Oil Change Interval: 7,500 miles or 6 months (whichever comes first, using synthetic oil) Tire Rotation: 7,500 miles Cabin Air Filter: 15,000 miles or 12 months Spark Plug Replacement: 100,000 miles (Platinum or Iridium type recommended) Fluid Specifications Engine Oil Type: SAE 5W-30 Synthetic (GM dexos1 Gen 2 or equivalent recommended) Coolant Type: GM P/N 12346290 or equivalent (GM Blue Long Life Coolant) Brake Fluid Type: DOT 3 or DOT 4 Known Issues Common Complaints: Potential for suspension component wear (e.g., bushings, control arms), occasional HVAC blend door actuator failures, and early models might see fuel level sensor issues. Diagnostic Challenges: Complex electrical systems may require specialized diagnostic tools (like GM's Tech 2 or equivalent) for accurate troubleshooting. 📚 Vehicle History Brand Heritage Cadillac Legacy: Longstanding reputation for luxury, comfort, and advanced technology. Model Evolution Sts Lineage: Successor to the Cadillac Seville STS, based on the GM Sigma platform. 2008 Updates: Minor revisions and packaging adjustments from the 2005-2007 models. Available with updated infotainment options. Production Manufacturing Location: Lansing, Michigan, USA 🏆 Awards & Recognition Recognitions Jd Power Ratings: Varies by year and category, often competitive within the luxury sedan segment for initial quality.