Basic Information Identification Make: Chevrolet Model: Cobalt Year: 2005 Codes Platform Code: GM Delta Vin Code Engine H: 2.2L L61 Ecotec Vin Code Engine P: 2.4L LDA Ecotec (VVT) Vin Code Engine 1: 2.0L LSJ Ecotec Supercharged Introduction Market Position Segment: Compact car (C-segment) Competitive Analysis Key Competitors: Honda Civic, Toyota Corolla, Ford Focus, Mazda3, Nissan Sentra. Key Features Platform Sharing: Shared platform (GM Delta) with Opel Astra and Saturn Ion, contributing to shared engineering and components. Powertrain Options: Offered with a range of Ecotec engines, including naturally aspirated and supercharged variants, catering to economy and performance-oriented buyers. Manual Details Coverage Areas Coverage Scope: Comprehensive Service and Repair Page Count Estimated Page Count: Extensive (digital format, dynamically displays content) Manual Type Type: Service and Repair Manual Software Language Language: English Format Format: PDF Download / Web-based access Manual Coverage Systems Covered Engine Mechanical: Engine removal/installation, cylinder head, block assembly, lubrication system, cooling system, fuel system, emission control systems. Engine Performance: Ignition system, fuel injection, engine control module (ECM) diagnostics, turbocharging/supercharging systems. Transmission Drivetrain: Manual transmission (F23), automatic transmission (4T45-E), clutch, drive axles, differentials, transaxle. Brakes: Front and rear disc brakes, ABS system, hydraulic components, parking brake. Steering Suspension: Power steering system, steering column, front and rear suspension components, shock absorbers, struts, wheel alignment. Electrical: Battery, starting system, charging system, lighting systems, instrument cluster, body control module (BCM), power accessories, wiring diagrams. HVAC: Heating, ventilation, and air conditioning (HVAC) system components, refrigerant handling, climate control module. Body Interior: Body panels, doors, glass, seats, interior trim, safety restraints (airbags, seatbelts). Procedures Included Maintenance: Oil changes, filter replacements, spark plug replacement, fluid checks and top-offs, tire rotation, belt inspection/replacement. Diagnostics: Diagnostic trouble codes (DTCs) interpretation, symptom-based troubleshooting, component testing, oscilloscope usage. Repair: Component removal and installation, system adjustments, major component overhauls, body repair procedures. Calibration: Steering angle sensor calibration, tire pressure monitoring system (TPMS) reset/relearn. Wiring Schematics: Detailed wiring diagrams for all major electrical systems. Technical Depth Depth: Factory-level diagnostic and repair procedures, torque specifications, electrical component identification, special tool requirements. Manual Specifications File Format Digital Quality: High-resolution, searchable PDF content with hyperlinked navigation. Print Quality Printability: Printable sections for offline use. Binding Type Binding: Not Applicable (Digital Download) Paper Type Paper: Not Applicable (Digital Download) Engine Specifications Primary Engine Engine 2.2L Ecotec L61: Inline-4, DOHC, 16-valve, Displacement: 2198cc (134ci), Bore x Stroke: 86mm x 94.6mm, Compression Ratio: 9.5:1, Horsepower: 140 hp @ 5600 rpm, Torque: 150 lb-ft @ 4000 rpm. Engine 2.4L Ecotec Lda Vvt: Inline-4, DOHC, 16-valve, Displacement: 2384cc (145ci), Bore x Stroke: 88mm x 98mm, Compression Ratio: 9.8:1, Horsepower: 171 hp @ 6000 rpm, Torque: 163 lb-ft @ 4800 rpm. Engine 2.0L Ecotec Lsj Supercharged: Inline-4, DOHC, 16-valve, Supercharged, Displacement: 1998cc (122ci), Bore x Stroke: 86mm x 86mm, Compression Ratio: 9.5:1, Horsepower: 205 hp @ 5600 rpm, Torque: 200 lb-ft @ 4400 rpm. Fuel System Fuel Delivery: Multi-point fuel injection (MPFI). Fuel Type: Unleaded gasoline (87 octane recommended for 2.2L and 2.4L, 91 octane recommended for 2.0L SC). Transmission Standard Transmission 2.2L 2.4L: 5-speed manual transmission (M86/F23). Optional Transmission 2.2L 2.4L: 4-speed automatic transmission (4T45-E). Transmission 2.0L Lsj: 5-speed manual transmission (M86/F23) standard on SS Supercharged. Features Clutch Type: Hydraulic actuation for manual transmissions. Dimensions Exterior Length: Coupe: 175.4 inches (4455 mm); Sedan: 181.1 inches (4599 mm) Width: 67.9 inches (1725 mm) Height: Coupe: 54.9 inches (1394 mm); Sedan: 56.2 inches (1427 mm) Wheelbase: 103.2 inches (2621 mm) Interior Front Headroom: Approx. 38.7 inches (983 mm) Rear Headroom: Coupe: Approx. 36.6 inches (929 mm); Sedan: Approx. 37.4 inches (950 mm) Cargo Trunk Volume: Coupe: Approx. 13.1 cu ft (371 L); Sedan: Approx. 15.1 cu ft (428 L) Weights Curb Weight: Approx. 2700 - 3000 lbs (1225 - 1361 kg) depending on configuration. Safety Features Ratings NHTSA Frontal Driver: Good (2005) NHTSA Frontal Passenger: Good (2005) NHTSA Side Driver: Good (2005) NHTSA Side Rear Passenger: Good (2005) IIHS Moderate Overlap Frontal: Good (2005) Active Features ABS: Standard on most trims; available on others. Traction Control: Available on select trims. Passive Features Airbags: Frontal airbags for driver and front passenger; available side-impact airbags. Seatbelts: 3-point seatbelts with pretensioners for front occupants. Technology Features Infotainment Audio System: Base models featured AM/FM stereo with CD player; higher trims offered premium audio systems with auxiliary inputs and upgraded speakers. Driver Assistance Cruise Control: Standard on most trims. Connectivity Onstar: Optional on select trims, providing GPS navigation, emergency services, and remote diagnostics. Maintenance Service Intervals Oil Change Interval: Every 7,500 miles (12,000 km) or 6 months, whichever comes first (with synthetic oil), or 3,000 miles (5,000 km) or 3 months (with conventional oil). Consult manual for specifics. Air Filter Replacement: Inspect every 15,000 miles (24,000 km), replace as needed. Spark Plug Replacement: 2.2L L61: 100,000 miles (160,000 km) with Iridium spark plugs. 2.0L LSJ: 60,000 miles...