🏷️ Basic Information Identification Make: Chevrolet Model: Impala Year: 2011 Codes Platform: W-body Vin Code: 1G4 👋 Introduction Market Position Segment: Full-size sedan Target Audience: Families, fleet buyers, individuals seeking comfortable and spacious transportation Competitive Analysis Key Competitors: Ford Taurus, Toyota Avalon, Chrysler 300, Dodge Charger Key Features Distinguishing Features 2011: Refreshed exterior styling, updated interior, improved powertrain options, enhanced safety features Value Proposition: Spacious interior, comfortable ride, affordable pricing for its class, strong reputation for durability 📋 Manual Details Coverage Areas Primary Focus: Service and Repair Regions Covered: North America (USA, Canada, Mexico) Page Count Estimated Pages: 2000+ Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Complete engine overhaul, cylinder head, block, pistons, crankshaft, camshaft, timing components, lubrication system Engine Management: Fuel injection, ignition system, emissions control, sensors, ECM diagnostics and programming Transmission: Automatic transmission (4-speed 4T65-E, 6-speed 6T70/6T75) overhaul, diagnostics, fluid service, shift control Drivetrain: Front-wheel drive axle shafts, differential, driveshafts, wheel bearings Brakes: Front and rear brake systems (disc brakes), ABS, EBD, hydraulic components, bleeding procedures Suspension: Front and rear suspension components, struts, shocks, springs, control arms, ball joints, bushings, steering linkage Steering: Power steering system, steering column, rack and pinion assembly, tie rods Electrical System: Battery, charging system, starting system, lighting, instrumentation, power windows, locks, mirrors, wipers, horns HVAC: Heating, Ventilation, and Air Conditioning (HVAC) system components, refrigerant system, climate control modules Body And Frame: Body panels, doors, hood, trunk, glass, interior trim, structural components, corrosion protection Comfort And Convenience: Seating systems, sunroof, remote keyless entry, security system Restraint Systems: Airbags, seat belts, SRS system diagnostics and component replacement Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks and top-offs, tire rotation, spark plug replacement Diagnostics: Troubleshooting guides, diagnostic trouble codes (DTCs), component testing procedures, wiring diagrams, flowcharts Repair: Engine repair, transmission overhaul, brake caliper replacement, suspension component replacement, electrical component repair, body panel repair Assembly Disassembly: Step-by-step instructions for removing and installing major components and sub-assemblies Specifications: Torque specifications, clearances, fluid capacities, electrical resistance values, pressures Technical Depth Depth: Comprehensive (from basic fluid changes to complete engine and transmission rebuilds) Detail Level: Detailed diagrams, exploded views, step-by-step instructions, wiring schematics 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text content Print Quality Print Readability: High resolution, suitable for printing individual pages or sections Binding Type Digital Binding: N/A (Digital Download) Paper Type Digital Medium: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine 1 Displacement: 3.5L (3500cc) Engine 1 Configuration: V6 (24-valve, SOHC) Engine 1 Engine Code: LZ4 Engine 1 Horsepower: 252 hp @ 6100 rpm Engine 1 Torque: 251 lb-ft @ 3200 rpm Secondary Engine Engine 2 Displacement: 3.9L (3878cc) Engine 2 Configuration: V6 (24-valve, SOHC) Engine 2 Engine Code: L37 Engine 2 Horsepower: 224 hp @ 5700 rpm Engine 2 Torque: 235 lb-ft @ 3200 rpm Performance Fuel Type: Unleaded Gasoline Compression Ratio 3.5L: 9.8:1 Compression Ratio 3.9L: 9.7:1 Fuel System Induction Type: Multi-port Fuel Injection (MPFI) Fuel Octane Recommendation: 87 Octane (Minimum) 🔧 Transmission Standard Transmission Standard Type: 4-speed Automatic (4T65-E) Optional Transmission Optional Type: 6-speed Automatic (6T70/6T75) Features Transmission Control: Electronic control with manual shift mode (on 6-speed) Transmission Fluid Type: Dexron-VI Automatic Transmission Fluid 📐 Dimensions Exterior Length: 199.7 inches (5072 mm) Width: 72.9 inches (1852 mm) Height: 58.7 inches (1491 mm) Wheelbase: 115.6 inches (2936 mm) Interior Passenger Volume: 104.1 cubic feet (2.95 m³) Cargo Trunk Volume: 16.9 cubic feet (0.48 m³) Weights Curb Weight Approx: 3700-3900 lbs (1678-1769 kg) Wheels Tires Standard Wheel Size: 16-inch alloy Optional Wheel Size: 17-inch alloy, 18-inch polished alloy Standard Tire Size 16 Inch: P225/60R16 Standard Tire Size 17 Inch: P225/55R17 Bolt Pattern: 5 x 115mm 🛡️ Safety Features Ratings NHTSA Frontal Crash Driver: ★★★★★ (5-Star) NHTSA Frontal Crash Passenger: ★★★★★ (5-Star) NHTSA Side Crash Driver: ★★★★★ (5-Star) NHTSA Side Crash Rear Passenger: ★★★★☆ (4-Star) IIHS Roof Strength: Good IIHS Side Impact: Good IIHS Rear Impact Head Restraints: Good Active Features Traction Control: Standard Electronic Stability Control: Standard (StabiliTrak) Anti Lock Brakes: Standard Passive Features Airbags Front: Driver and front passenger airbags Airbags Side: Front seat-mounted side-impact airbags Airbags Curtain: Front and rear side-curtain airbags Seat Belts: Three-point belts for all seating positions, front pretensioners 💡 Technology Features Infotainment Infotainment System: Chevrolet MyLink (available on some trims), AM/FM/CD/MP3 player, auxiliary audio input Optional Audio: Bose premium audio system, SiriusXM Satellite Radio Driver Assistance Parking Assistance: Rear parking assist sensors (optional) Visibility Enhancements: Fog lamps (optional) Connectivity Connectivity Options: OnStar communications system with turn-by-turn navigation and emergency services (subscription required) Comfort And Convenience Tech Keyless Entry: Remote keyless entry Remote Start: Remote vehicle starter system (optional) 🔧 Maintenance Service Intervals Oil Change Interval Synthetic: Every 7,500 - 10,000 miles (or as indicated by oil life monitor) Air...