🏷️ Basic Information Identification Make: Cadillac Model: STS Year: 2011 Generation Generation Code: Second Generation (2005-2011) Codes Chassis Code: GMT07 👋 Introduction Market Position Segment: Full-size luxury sedan Target Audience: Luxury car buyers seeking performance and advanced technology. Competitive Analysis Competitors: BMW 5 Series, Mercedes-Benz E-Class, Audi A6, Lexus GS. Key Features Performance Focus: Emphasizes powerful V8 engines and sophisticated chassis dynamics, especially with AWD. Luxury Appointments: Interior comfort, premium materials, advanced technology for its era. Manual Utility: Empowers owners and independent technicians to perform comprehensive maintenance and repairs, saving significant costs. 📋 Manual Details Coverage Areas All Models Engines: True All Trim Levels: True All Transmission Types: True Page Count Estimated Page Count: Extensive (Specific count not provided, but described as 'Complete Workshop Service Repair Manual') Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: Downloadable (PDF) 📖 Manual Coverage Systems Covered Engine Mechanical: Complete diagnostics, repair, and overhaul procedures for all engine variants (V6, V8). Engine Performance: Fuel system, ignition system, emission control systems, cooling system, lubrication system. Transmission: Detailed repair and overhaul of automatic transmissions (e.g., 6L80E/6L90E). Drivetrain: All-Wheel Drive (AWD) system, rear-wheel drive (RWD) axle and driveshaft components. Suspension: Front and rear suspension systems, shock absorbers, springs, control arms, bushings, power steering. Brakes: Hydraulic brake system, Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), brake pad/rotor replacement, caliper service. Steering: Power steering system, steering rack, tie rods, steering column. Electrical System: Battery, charging system, starting system, lighting system, power windows, locks, mirrors. Body And Frame: Body panel removal/installation, interior trim, doors, hood, trunk, chassis diagnostics. HVAC: Heating, ventilation, and air conditioning (HVAC) system diagnosis and repair, refrigerant handling. Infotainment And Electronics: Infotainment system, navigation, audio, climate control modules, body control modules (BCM). Safety Systems: Airbag system (SRS), seat belt pre-tensioners, diagnostic procedures for safety restraint systems. Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks and changes. Troubleshooting: Diagnostic flowcharts, symptom analysis, common fault finding. Repair: Component removal, installation, adjustment, and replacement for all systems. Rebuild Overhaul: Engine and transmission overhaul procedures, including torque specifications and clearances. Diagnostics: OBD-II diagnostics, specific module testing, wiring diagrams, diagnostic trouble codes (DTCs). Technical Depth Depth: Comprehensive, from basic maintenance to complete engine and transmission rebuilds, advanced electrical diagnostics. 📊 Manual Specifications File Format File Type: PDF (Portable Document Format) Searchability: Likely searchable text content for easy navigation and keyword searches. Print Quality Printability: High quality, printable pages for individual sections or the entire manual. Binding Type Digital Binding: N/A (Digital Download) Paper Type Digital Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine 1 Variant: 3.6L V6 (LLT - Direct Injection) Engine 1 Displacement: 3564 cc (3.6 Liters) Engine 1 Horsepower: 302 hp @ 6300 rpm Engine 1 Torque: 272 lb-ft @ 4800 rpm Optional Engine Engine 2 Variant: 4.6L V8 (Northstar L81) Engine 2 Displacement: 4632 cc (4.6 Liters) Engine 2 Horsepower: 320 hp @ 6400 rpm Engine 2 Torque: 315 lb-ft @ 4400 rpm Engine 3 Variant: 4.6L V8 (Northstar L7X - Performance variant) Engine 3 Horsepower: 320 hp @ 6400 rpm (estimated, specific performance variants may vary) Engine 3 Torque: 315 lb-ft @ 4400 rpm (estimated) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) with Direct Injection (DI) on V6 models. Fuel Type: Premium Unleaded Gasoline 🔧 Transmission Standard Transmission Type: 6-speed Automatic (6L80E/6L90E) Drive Layout: Rear-Wheel Drive (RWD) standard on most models. Optional Transmission Type AWD: All-Wheel Drive (AWD) available on most models. Features Transmission Features: Driver Shift Control (manual shifting capability), Performance Algorithm Shifting (PAS). 📐 Dimensions Exterior Length: 199.4 inches (5065 mm) Width: 72.5 inches (1841 mm) Height: 57.9 inches (1471 mm) Wheelbase: 115.7 inches (2939 mm) Weights Curb Weight Approx V6: 3900 - 4100 lbs (1769 - 1860 kg) Curb Weight Approx V8: 4050 - 4250 lbs (1837 - 1928 kg) 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star Rating (for 2009-2011 models, typical for this era) IIHS Top Safety Pick: Good (Frontal Offset) - Specific year ratings may vary. Active Features ABS: Standard Anti-lock Braking System Traction Control: Standard Traction Control System (TCS) Stability Control: Standard StabiliTrak Electronic Stability Control Brake Assist: Available/Standard Passive Features Airbags: Frontal airbags, side-impact airbags, curtain airbags. Seat Belts: 3-point seat belts with pretensioners, LATCH system for child seats. 💡 Technology Features Infotainment System Name: Cadillac User Experience (CUE) - though CUE was more prominent in later models, the 2011 STS featured an advanced infotainment system for its time. Features: Touchscreen display, navigation system, premium audio (Bose), Bluetooth connectivity, heated/ventilated seats, multi-zone climate control. Driver Assistance Adaptive Cruise Control: Available Parking Assist: Available Rear Parking Assist sensors. Blind Spot Monitoring: Available Side Blind Zone Alert. Connectivity Bluetooth: Available for hands-free calling and audio streaming. Usb Ports: Available (depending on trim and options). 🔧 Maintenance Service Intervals Oil Change Interval:...