🏷️ Basic Information Identification Make: Chevrolet Model: Impala Years: 2006, 2007, 2008 Generation Generation: Ninth Generation (W-Body) Codes Platform Code: W-Body 👋 Introduction Market Position Segment: Full-size sedan Competitive Analysis Competitors: Ford Five Hundred, Toyota Avalon, Chrysler 300, Dodge Charger, Buick LaCrosse Key Features Appeal: Spacious interior, comfortable ride, V6 and V8 engine options, front-wheel drive platform. 📋 Manual Details Coverage Areas Coverage: All major mechanical, electrical, and body systems Page Count Estimated Page Count: Approximately 3000+ pages (typical for this type of comprehensive manual) Manual Type Type: Factory Service Manual (FSM) / Workshop Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Powertrain: Engine, Fuel System, Ignition, Starting, Charging, Cooling, Lubrication, Exhaust, Automatic Transmission, Manual Transmission (if applicable) Chassis: Suspension (Front & Rear), Steering System, Brake System (Front & Rear, ABS), Wheels & Tires, Drivetrain (FWD) Body Electrical: Body Control Module (BCM), HVAC, Lighting, Power Accessories (Windows, Locks, Seats), Instrumentation, Audio/Visual, Wiper/Washer, Airbags (SRS), Cruise Control, Immobilizer Diagnostic Tools: On-Board Diagnostics (OBD-II), Diagnostic Trouble Codes (DTCs) Procedures Included Maintenance: Scheduled maintenance, fluid checks and changes, filter replacements, tune-ups, inspections Repair: Engine overhaul, transmission repair, brake caliper replacement, suspension component replacement, electrical component diagnosis and repair, body panel repair Troubleshooting: System diagnostics, symptom-based troubleshooting, electrical circuit tracing Specifications: Torque specifications, clearances, fluid capacities, diagnostic parameters Technical Depth Depth: Comprehensive from basic maintenance to complete rebuilds and advanced diagnostics, including wiring diagrams and component testing 📊 Manual Specifications File Format Quality: High-resolution PDF, text-searchable Print Quality Printability: Fully printable, allowing users to print specific sections or the entire manual Binding Type Binding: Digital download (N/A for physical binding) Paper Type Paper Type: Digital download (N/A for physical paper type) ⚙️ Engine Specifications Primary Engine 3.5L V6: Engine Code: LX9; Displacement: 3.5L (3490cc); Horsepower: 201 hp @ 5600 rpm; Torque: 225 lb-ft @ 4000 rpm; Bore x Stroke: 3.74 x 3.19 in; Compression Ratio: 9.2:1; Fuel System: Sequential Multi-Port Fuel Injection (MPI) 3.9L V6: Engine Code: LZ9; Displacement: 3.9L (3880cc); Horsepower: 242 hp @ 6000 rpm; Torque: 242 lb-ft @ 4400 rpm; Bore x Stroke: 3.90 x 3.35 in; Compression Ratio: 9.8:1; Fuel System: Sequential Multi-Port Fuel Injection (MPI) 5.3L V8: Engine Code: LH6; Displacement: 5.3L (5328cc); Horsepower: 303 hp @ 5600 rpm; Torque: 323 lb-ft @ 4000 rpm; Bore x Stroke: 3.78 x 3.62 in; Compression Ratio: 9.5:1; Fuel System: Sequential Multi-Port Fuel Injection (MPI); Features: Active Fuel Management (AFM) Performance Emission Standards: EPA Tier 2 Bin 5 / CARB LEV-II Fuel System Fuel Type: Unleaded gasoline 🔧 Transmission Standard 4-Speed Automatic: Transmission codes: 4T65-E (V6), 4T65-E HD (V8); Gear Ratios (typical): 2.92:1 (1st), 1.57:1 (2nd), 1.00:1 (3rd), 0.70:1 (4th), 2.45:1 (Reverse) Optional Manual Transmission: Not typically offered on this generation of Impala in North America Features Transmission Fluid: Dexron VI Automatic Transmission Fluid (ATF) 📐 Dimensions Exterior Length: Approximately 200.4 inches Width: Approximately 72.4 inches Height: Approximately 57.7 inches Wheelbase: Approximately 110.5 inches Interior Passenger Volume: Approximately 104.5 cubic feet Cargo Trunk Volume: Approximately 18.6 cubic feet Weights Curb Weight Min: Approximately 3600 lbs (3.5L V6) Curb Weight Max: Approximately 3800 lbs (5.3L V8) 🛡️ Safety Features Ratings NHTSA Front Driver: 5 Stars (2006-2008) NHTSA Front Passenger: 5 Stars (2006-2008) NHTSA Side Driver: 4 Stars (2006-2008) NHTSA Side Passenger: 4 Stars (2006-2008) NHTSA Rollover: 4 Stars (2006-2008) Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Available Traction Control System (TCS) Passive Features Airbags: Frontal airbags, front side-impact airbags, available side curtain airbags Seatbelts: Three-point seatbelts with pretensioners 💡 Technology Features Infotainment Audio System: Available AM/FM stereo with CD player, MP3 playback, and optional premium sound systems (e.g., Bose). Navigation: Optional factory navigation system available on higher trim levels. Driver Assistance Cruise Control: Standard cruise control on all models. Connectivity Onstar: Available OnStar® communication system with turn-by-turn navigation and emergency services. 🔧 Maintenance Service Intervals Oil Change Interval: Every 7,500 miles or 6 months, whichever comes first, with synthetic blend oil. Refer to manual for specific conditions. Tire Rotation: Every 7,500 miles Engine Air Filter: Inspect every 30,000 miles; replace as needed. Cabin Air Filter: Replace every 30,000 miles or annually. Transmission Fluid Change: Inspect every 45,000 miles; replace as needed (often considered 'lifetime' by manufacturers but recommended for longevity). Fluid Specifications Engine Oil Type: SAE 5W-30 (API SM or higher) Engine Oil Capacity: 4.5 quarts (3.5L V6), 5.0 quarts (3.9L V6), 5.5 quarts (5.3L V8) Coolant Type: GM P/N 12346290 (or equivalent orange silicate-based) Dex-Cool Long-Life Coolant Power Steering Fluid: GM P/N 89021183 (or equivalent Dexron VI) Known Issues Catalytic Converter: Premature failure reported on some models, particularly with V8 engines. Manual will guide diagnosis and replacement. Intake Manifold Gaskets: Leaking intake manifold gaskets on V6 engines (especially older 3.8L, though less common on 3.5/3.9L) can cause coolant leaks and misfires. Manual covers diagnosis...