🏷️ Basic Information Identification Make: Cadillac Model: CTS Year: 2011 Codes Platform: GM Sigma II Chassis Code: GMT143 👋 Introduction Market Position Segment: Luxury Mid-size Sedan/Coupe/Wagon Competitive Analysis Competitors: BMW 3 Series, Mercedes-Benz C-Class, Audi A4, Lexus IS, Infiniti G37 Key Features Design Philosophy: Art & Science design language, rear-wheel-drive platform (optional all-wheel drive), focus on performance and luxury. Manual Benefit: Empowers owners to perform routine maintenance and complex repairs, saving money and extending vehicle lifespan. 📋 Manual Details Coverage Areas Engines Covered: 3.0L V6 (LF1), 3.6L V6 VVT (LLT) Transmissions Covered: 6-speed automatic (GM 6L45, 6L50, 6L90) Models Covered: All Sedan, Coupe, and Sport Wagon variants Page Count Estimated Pages: 1500-2500 (estimated for comprehensive coverage) Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: Digital Downloadable (PDF) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, disassembly, lubrication system, cooling system, fuel system, ignition system, emission control systems, timing system, cylinder head, crankshaft, pistons, connecting rods, engine performance diagnostics. Transmission Drivetrain: Automatic transmission operation, overhaul, repair, torque converter, transmission control module (TCM), drive shafts, axles, differential, propeller shaft. Brakes: Brake system diagnosis, hydraulic system, power brake booster, master cylinder, brake calipers, brake pads, brake discs/rotors, anti-lock braking system (ABS), electronic stability control (ESC), parking brake. Suspension Steering: Front suspension, rear suspension, shock absorbers, struts, springs, control arms, ball joints, steering system, power steering, steering column, wheel alignment specifications. Electrical Electronics: Battery, charging system, starting system, ignition system, lighting system, instruments and gauges, body control module (BCM), powertrain control module (PCM), infotainment system, climate control, power windows, power locks, security system, wiring diagrams, diagnostic trouble codes (DTCs). Body Chassis: Body construction, exterior panels, doors, hood, trunk lid, interior trim, seats, glass, bumpers, frame, rust prevention and corrosion protection. Procedures Included Maintenance: Scheduled maintenance intervals, oil changes, filter replacements, fluid checks and top-offs, tire rotation, brake inspection, battery maintenance, air filter replacement, spark plug replacement. Repair: Engine rebuild, transmission overhaul, brake caliper replacement, suspension component replacement, electrical component diagnosis and replacement, body panel repair, HVAC system repair, exhaust system repair. Troubleshooting: Step-by-step diagnostic procedures for common and uncommon drivability issues, electrical faults, starting problems, cooling system leaks, brake system malfunctions. Diagnostics: OBD-II diagnostic procedures, use of scan tools, interpreting diagnostic trouble codes (DTCs), electrical circuit testing, component testing. Technical Depth Depth: Comprehensive from basic maintenance to complete engine and transmission rebuilds, including detailed wiring diagrams and diagnostic flowcharts. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text within the PDF for quick information retrieval. Print Quality Printability: Printable in full color or black and white, allowing for individual page or chapter printing. Binding Type Binding: Not applicable (Digital Download) Paper Type Paper: Not applicable (Digital Download) ⚙️ Engine Specifications Primary Engine Engine 1 Name: 3.0L V6 (LF1) Engine 1 Displacement: 2997 cc (183 cu in) Engine 1 Configuration: V6, DOHC, 24 valves Engine 1 Horsepower: 270 hp @ 7000 rpm Engine 1 Torque: 223 lb-ft @ 5600 rpm Secondary Engine Engine 2 Name: 3.6L V6 VVT (LLT) Engine 2 Displacement: 3564 cc (217 cu in) Engine 2 Configuration: V6, DOHC, 24 valves, Direct Injection, Variable Valve Timing (VVT) Engine 2 Horsepower: 304 hp @ 6400 rpm Engine 2 Torque: 273 lb-ft @ 4700 rpm Performance Compression Ratio Lf1: 11.5:1 Compression Ratio Llt: 11.3:1 Fuel System Fuel Delivery Lf1: Port Fuel Injection (PFI) Fuel Delivery Llt: Direct Injection (DI) Fuel Type: Premium Unleaded Gasoline (Recommended) 🔧 Transmission Standard Transmission Type: 6-speed Automatic (RWD) Optional Transmission Type AWD: 6-speed Automatic (AWD) Features Transmission Codes: GM 6L45 (standard RWD), 6L50 (optional AWD), 6L90 (performance variants) Transmission Control: Electronic with driver shift control and manual mode. 📐 Dimensions Exterior Wheelbase: 113.4 inches (2880 mm) Length: 191.6 inches (4867 mm) (Sedan) Width: 72.5 inches (1841 mm) Height: 58.0 inches (1473 mm) (Sedan) Weights Curb Weight Est Start: 3,850 lbs (1746 kg) Curb Weight Est End: 4,150 lbs (1882 kg) 🛡️ Safety Features Ratings NHTSA Front Impact Driver: 5 Stars NHTSA Front Impact Passenger: 5 Stars NHTSA Side Impact Front Seat: 5 Stars NHTSA Side Impact Rear Seat: 5 Stars NHTSA Rollover Rating: 4 Stars Active Features ABS: Standard (4-wheel disc brakes with ABS) Esc: Standard (StabiliTrak Electronic Stability Control) Traction Control: Standard Passive Features Airbags: Frontal airbags, front side-impact airbags, roof-mounted side curtain airbags. 💡 Technology Features Infotainment Infotainment System: Cadillac Cue (Touch-screen interface, navigation, Bluetooth, USB connectivity). Driver Assistance Driver Assistance Features: Optional: Adaptive Cruise Control, Rearview Camera, Parking Assist sensors. Connectivity Connectivity Options: Bluetooth for phone and audio streaming, USB and auxiliary input jacks. 🔧 Maintenance Service Intervals Oil Change Interval Gas: Every 7,500 miles or 12 months (whichever comes first) with synthetic oil. Air Filter Replacement: Every 45,000 miles or as needed based on inspection. Cabin Air Filter Replacement: Every 22,500 miles or annually. Spark Plug Replacement Lf1:...