🏷️ Basic Information Identification Make: Pontiac Model: Sunfire Year: 2004 Body Style: Coupe, Sedan, Convertible Generation Generation Code: 2nd Generation (2003-2005) 👋 Introduction Market Position Target Audience: DIY mechanics, professional technicians, and vehicle owners seeking to understand and maintain their 2004 Pontiac Sunfire. Competitive Analysis Value Proposition: Provides dealership-level technical information in an accessible digital format, enabling users to perform comprehensive repairs and maintenance, saving on labor costs and increasing vehicle longevity. Key Features Features: Vehicle-specific, step-by-step instructions, detailed diagrams, illustrations, wiring schematics, comprehensive specifications, ease of use via PDF format, printable pages, searchable content. 📋 Manual Details Coverage Areas Primary Coverage: All Models & All Repairs A-Z Specific Systems: Engine, Control System, Mechanical, Fuel, Emission Control, Intake/Exhaust/Cooling, Lube, Ignition/Starting/Charging, Transmission (Auto/Manual), Clutch, Drivetrain (Transfer/Propeller Shaft, Drive Shaft, Differential, Axle), Suspension, Tires & Wheels, Brakes (Control, Parking), Steering (Column, Power), Climate Control (Air Conditioning), Supplemental Restraint System (SRS), Seat Belts, Immobilizer, Cruise Control, Wiper/Washer, Door Locks, Meter/Audio/Visual, Horn, Glass/Mirrors, Instrument Panel, Seats, Hood/Doors, Exterior/Interior Trim, Electrical Systems, Multiplex/CAN Communication Page Count Estimated Pages: Refer to manual specifics; typically extensive for comprehensive repair Manual Type Type: Factory Service and Repair Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, fuel delivery, ignition, emissions, cooling, lubrication, starting, charging, automatic transmission, manual transmission, clutch, transfer case, drive axles, differential. Chassis: Suspension systems (front and rear), steering systems (including power steering), brake systems (hydraulic, anti-lock, parking brake), wheel and tire specifications. Electrical And Body: Body electrical components, lighting, instrument cluster, audio systems, climate control, power accessories, airbags (SRS), seat belts, cruise control, security systems (immobilizer), wiring schematics, body repair, interior components, exterior trim. Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements, inspections. Diagnostics: Troubleshooting guides, diagnostic procedures for various systems, fault code interpretation. Repair: Step-by-step repair instructions for mechanical, electrical, and body components; component removal and installation procedures. Specifications: Torque specifications, fluid capacities, component measurements, electrical specifications. Technical Depth Depth: Vehicle Specific, Dealer Technician Level. Covers everything from basic maintenance to complete engine and transmission overhauls, complex electrical diagnostics, and body repair procedures. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text content for quick information retrieval. Print Quality Printability: All pages are printable, allowing users to print specific sections or the entire manual. Enlargement of diagrams is supported. Binding Type Binding: N/A (Digital format; no physical binding) Paper Type Paper Type: N/A (Digital format; no physical paper) Compatibility Operating Systems: Windows Vista (32/64-bit), XP, ME, 98, NT, 2000, and MAC compatible. Requirements Software Requirements: Adobe PDF Reader and Winzip (or equivalent decompression software). ⚙️ Engine Specifications Primary Engine Engine Options: 2.2L L4 Ecotec (Naturally Aspirated), 2.4L L4 Twin Cam (Optional on some trims) Performance 2.2L Ecotec Horsepower: Approximately 140 hp @ 5600 rpm 2.2L Ecotec Torque: Approximately 150 lb-ft @ 4000 rpm Fuel System Fuel Delivery: Sequential Electronic Fuel Injection (SFI) Fuel Type: Unleaded Gasoline Cooling System Coolant Type: Dex-Cool (Orange) 50/50 mix, or equivalent silicate-free, orange long-life coolant. 🔧 Transmission Standard Transmission Type: 5-Speed Manual Transmission Optional Transmission Type: 4-Speed Automatic Transmission Features Automatic Transmission Fluid: Dexron-VI or Dexron-III (check specific VIN) 📐 Dimensions Exterior Wheelbase: 101.5 inches (2578 mm) Length: Approx. 171.5 - 181.7 inches (4356 - 4615 mm) depending on body style Weights Curb Weight: Approx. 2700 - 2900 lbs (1225 - 1315 kg) depending on model and equipment 🛡️ Safety Features Ratings NHTSA Front Impact: Refer to NHTSA data for 2004; generally 4-star for driver, 4-star for passenger IIHS Side Impact: Refer to IIHS data for 2004; Good to Acceptable depending on specific year/configuration Active Features ABS: Available on select models/trims Passive Features Airbags: Driver and front passenger airbags standard; optional side airbags on some models Seat Belts: Front: 3-point with pretensioners; Rear: 3-point or lap belts depending on seating position. 💡 Technology Features Infotainment Audio System: Factory AM/FM stereo with CD player, optional premium sound system, steering wheel mounted audio controls on some trims. Driver Assistance Cruise Control: Standard on many trims, electronic control system. Connectivity Multiplex Communication: Involves CAN (Controller Area Network) bus systems for communication between various ECUs (Engine Control Unit, Transmission Control Module, Body Control Module, etc.). 🔧 Maintenance Service Intervals Oil Change Interval: 7,500 miles (12,000 km) or 6 months, whichever comes first (using synthetic or synthetic blend oil as recommended by GM for Ecotec engines). Air Filter Replacement: Every 30,000 miles (48,000 km) or as needed based on inspection. Spark Plug Replacement: 2.2L Ecotec: Typically iridium plugs, 100,000 miles (160,000 km) replacement interval. Fluid Specifications Engine Oil Type: SAE 5W-30 (API Certified, ILSAC GF-3) Engine Oil Capacity: 4.5 quarts (4.3 liters) with filter change for 2.2L Ecotec Transmission Fluid Type Manual: GM Synchromesh Transmission Fluid or equivalent GL-4, 75W-90. Known Issues Common Problems: Head gasket leaks (especially on earlier Ecotec variants), catalytic converter...