🏷️ Basic Information Identification Make: Cadillac Model: CTS-V Generation First Generation Years: 2003-2007 Codes Platform: GM Sigma 👋 Introduction Market Position Positioning: Premium American Luxury Sedan, competing with European and Japanese rivals. Competitive Analysis Competitors: BMW 5 Series, Mercedes-Benz E-Class, Audi A6, Lexus GS Key Features Design Philosophy: Sharp, angular styling ('Art and Science') and rear-wheel drive dynamics. Performance Variant: CTS-V offered significantly enhanced performance with a more powerful engine and upgraded chassis components. Manual Value Target Audience: Do-it-yourself enthusiasts and professional mechanics seeking detailed repair information. 📋 Manual Details Coverage Areas Model Years Covered: 2003, 2004, 2005, 2006, 2007 Engine Variants Covered: All engines for CTS and CTS-V Page Count Total Pages: >8000 Manual Type Type: Service and Repair Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine: Overhaul and Rebuilding, Performance, Firing Orders, Timing Belt Service Brakes: Servicing Procedures, Troubleshooting, Diagrams Suspension: Front End Alignment Procedures and Specifications, General Suspension Service Transmission: Removal and Installation, In-Car Servicing Electrical: Complete Wiring Diagrams, Diagnostic Trouble Codes, Computer Diagnostics Climate Control: Air Conditioning Service and Capacities Body And Chassis: Sunroof Service, U-Joint and CV-Joint Service Procedures Procedures Included Diagnostics: Troubleshooting and Diagnostics, Computer Diagnostic Trouble Tree Charts, Trouble Codes Maintenance: Factory Maintenance Schedules and Charts, Serpentine Belt Routings with Diagrams Repair: Step-by-step repair procedures for all covered systems Technical Depth Depth: Comprehensive (from basic maintenance to complete engine rebuilds and diagnostics) 📊 Manual Specifications File Format Compatibility: All versions of Windows & Mac, Linux OS, iPhone, iPad, Android Requirements: Adobe PDF Reader & WinZip Print Quality Readability: Searchable and Bookmarked for easy navigation Zoom Functionality: Yes, allowing for detailed examination of diagrams Printable: Yes, pages can be printed Binding Type Type: Digital Download (Instant) Paper Type N/A: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Cts Engine Name: GM High Feature (HF) V6 Displacement: 3.2L (3197cc) / 3.6L (3564cc) Horsepower 3.2L: 220 hp @ 6000 rpm (approx.) Torque 3.2L: 225 lb-ft @ 3500 rpm (approx.) Horsepower 3.6L: 255 hp @ 6200 rpm (approx.) Torque 3.6L: 252 lb-ft @ 4700 rpm (approx.) Cts V Engine Engine Name: GM LS2 V8 Displacement: 6.0L (5967cc) Horsepower: 400 hp @ 6000 rpm Torque: 395 lb-ft @ 4400 rpm Fuel System Injection Type: Sequential Multi-Port Fuel Injection (MPI) Timing System Type: Dual Overhead Camshafts (DOHC) with variable valve timing (VVT) on 3.6L; Overhead Valve (OHV) on LS2 🔧 Transmission Standard Cts Type: 5-speed Manual (e.g., Getrag F550-5) Optional Cts Type: 5-speed Automatic (e.g., GM 5L40-E) Cts V Type: 6-speed Manual (Tremec T-56) Features Drive Type: Rear-Wheel Drive (RWD) 📐 Dimensions Exterior Wheelbase: 113.4 inches (2880 mm) Length: 192.2 inches (4882 mm) Width: 71.7 inches (1821 mm) Height: 57.3 inches (1455 mm) Weights Curb Weight Cts 3.6L: 3760 lbs (1706 kg) (approx.) Curb Weight Cts V: 3900 lbs (1769 kg) (approx.) 🛡️ Safety Features Ratings NHTSA Front Impact Driver: 5-Star (for models equipped with side airbags) NHTSA Front Impact Passenger: 5-Star (for models equipped with side airbags) IIHS Front Offset Impact: Good Active Features ABS: Standard Anti-lock Braking System Traction Control: Standard Stability Control: Standard (StabiliTrak) Passive Features Airbags: Frontal airbags, front side-impact airbags, optional curtain side airbags 💡 Technology Features Infotainment Audio System: Available Bose premium audio systems, touch-screen navigation (optional) Connectivity: OnStar telematics system (subscription-based) Driver Assistance Cruise Control: Standard cruise control Comfort Features Seating: Leather-appointed seating, heated front seats (optional) 🔧 Maintenance Service Intervals Oil Change: Refer to manual for specific intervals based on driving conditions (e.g., 7,500 miles / 12 months, or as indicated by oil life monitor) Air Filter Replacement: Refer to manual (e.g., every 30,000 miles or as needed) Spark Plug Replacement V6: Refer to manual (e.g., 100,000 miles for iridium plugs) Spark Plug Replacement V8: Refer to manual (e.g., 100,000 miles for iridium plugs) Fluid Specifications Engine Oil Type V6: SAE 5W-30 Synthetic (API SM or higher) Engine Oil Type V8: SAE 5W-30 Synthetic (API SM or higher) Coolant Type: Dex-Cool® (GM P/N 12346290 or equivalent orange silicate-free long-life) Transmission Fluid Automatic: Dexron® VI (GM P/N 88861040 or equivalent) Transmission Fluid Manual: Refer to manual for specific GL rating and type (e.g., GL-4 or GL-5 for Tremec T-56) Brake Fluid Type: DOT 3 Known Issues Early Models V6 Oil Consumption: Some early 3.6L V6 models experienced higher than expected oil consumption. Timing Chain Tensioners V6: Potential issues with timing chain tensioners and guides on some 3.6L engines, though less prevalent than in later generations. Cabin Air Filter Access: Access to cabin air filter can be challenging. 📚 Vehicle History Brand Heritage Cadillac Legacy: Long-standing American luxury marque known for comfort, innovation, and powerful engines. Model Evolution Cts Introduction: Introduced in 2002 as a 2003 model, it marked Cadillac's return to rear-wheel drive luxury sedans and a new design language ('Art and Science'). Cts V Introduction:...