🏷️ Basic Information Identification Make: Pontiac Model: Bonneville Year: 2003 Codes Platform Code: GM G platform (GMT170) 👋 Introduction Market Position Target Audience: DIY car owners, independent repair shops, automotive technicians Competitive Analysis Value Proposition: Provides dealership-level repair information, empowering users to perform maintenance and repairs accurately and efficiently. Key Features Accuracy: Vehicle-specific, not generic; exact same information used by dealership technicians. Completeness: Comprehensive coverage from basic maintenance to complex diagnostics and repairs. Ease Of Use: Single PDF manual, easy to navigate, printable pages for workshop use. 📋 Manual Details Coverage Areas Coverage Scope: All Models & All Repairs A-Z Model Variants Covered: All Bonneville models for 2003 Page Count Estimated Page Count: Estimated 2000+ pages (typical for factory service manuals of this era) Manual Type Manual Type: Factory Service and Repair Manual Language Language: English Format Digital Format: PDF Compatibility: Windows (Vista 32/64, XP, ME, 98, NT, 2000) and Mac 📖 Manual Coverage Systems Covered Engine Management: Engine Control System, Fuel Service Specifications, Emission Control, Intake Exhaust Cooling, Lube, Ignition Starting Charging Powertrain: Engine Mechanical, Auto Transmission, Clutch, Manual Transmission (if applicable), Transfer Propeller Shaft, Drive Shaft, Differential, Axle Suspension Chassis And Brakes: Tire & Wheel, Brake Control, Brake, Parking Brake, Steering Column, Power Steering Body And Interior: Engine Hood/ Door, Exterior & Interior, Windshield/Glass Mirror, Instrument Panel, Seat Electrical And Electronics: Electrical, Multiplex/ CAN Communication, Air Condition, Suppl. Restraint System (SRS), Seat Belt, Engine Immobilizer, Cruise Control, Wiper & Washer, Door Lock, Meter Audio/Visual, Horn Procedures Included Diagnostic Procedures: Diagnostic procedures, troubleshooting guides, fault code interpretation Repair Procedures: Complete step-by-step repair instructions for all major vehicle systems Maintenance Procedures: Routine maintenance procedures, fluid changes, filter replacements, inspections Technical Depth Diagnostic Depth: Advanced diagnostics, including wiring schematics and component testing Rebuild Depth: Complete rebuild procedures for engine, transmission, and other major mechanical components Documentation Type: Factory-level detail, including diagrams, illustrations, and schematics 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text within the PDF Print Quality Printability: All pages printable, with ability to enlarge images Binding Type Binding: N/A (Digital PDF format) Paper Type Paper Type: N/A (Digital PDF format) Software Requirements PDF Reader: Adobe PDF Reader (Free) Unzip Utility: Winzip or equivalent (Free) ⚙️ Engine Specifications Primary Engine Engine Options: 3.8L V6 (L36) - Naturally Aspirated, 3.8L V6 (L67) - Supercharged Performance 3.8L L36 (Naturally Aspirated): Approx. 205 horsepower @ 5200 rpm, 230 lb-ft torque @ 4000 rpm 3.8L L67 (Supercharged): Approx. 240 horsepower @ 5200 rpm, 280 lb-ft torque @ 3600 rpm Fuel System Fuel Delivery: Multi-port Fuel Injection (MPFI) Fuel Type: Unleaded Gasoline Cooling System Coolant Type: Dex-Cool (Orange, Extended Life) 🔧 Transmission Standard Transmission Type: 4-Speed Automatic (4T65-E) Optional Transmission Options: 4-Speed Automatic with Performance Algorithm Shifting (PAS) and Driver Shift Control (DSC) on some models (4T65-E HD) Features Transmission Fluid: Dexron III/VI or equivalent specified by GM 📐 Dimensions Exterior Wheelbase: Approx. 110.5 inches Length: Approx. 203.5 inches Width: Approx. 73.1 inches Height: Approx. 57.0 inches Weights Curb Weight Range: Approx. 3600-3800 lbs (depending on configuration) Gross Vehicle Weight Rating: Varies by model, typically around 4900-5100 lbs 🛡️ Safety Features Ratings NHTSA Front Crash Test Rating: Good (as per IIHS evaluations for comparable GM vehicles) NHTSA Side Crash Test Rating: Acceptable (as per IIHS evaluations for comparable GM vehicles) Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Optional Traction Control System (TCS) Passive Features Airbags: Frontal airbags for driver and passenger, optional side-impact airbags Seatbelts: Three-point seatbelts with pretensioners for front seats 💡 Technology Features Infotainment Audio System: Available AM/FM stereo with CD player, optional Monsoon premium audio system, available satellite radio integration. Navigation: Optional factory navigation system available on higher trim levels. Driver Assistance Cruise Control: Standard cruise control, potentially with steering wheel mounted controls. Connectivity Multiplex Communication: Utilizes GM's Multiplex/CAN communication network for integrated system control and diagnostics. 🔧 Maintenance Service Intervals Oil Change Interval: Every 7,500 miles or 6 months, whichever comes first (with synthetic blend or full synthetic oil) Engine Coolant Flush: Every 100,000 miles or 5 years (using Dex-Cool) Transmission Fluid Change: Every 100,000 miles (under normal driving conditions) Fluid Specifications Engine Oil Viscosity: SAE 3.8L V6 (L36/L67): 5W-30 Power Steering Fluid: GM Power Steering Fluid or Dexron III/VI Brake Fluid: DOT 3 Known Issues Intake Manifold Gaskets: Leaking intake manifold gaskets (especially on L67 supercharged engines) can lead to coolant leaks and misfires. Supercharger Coupler: Wear or failure of the supercharger snout coupler on L67 engines. Window Regulators: Failure of power window regulators and motors. Heater Core: Heater core leaks can cause interior fogging and coolant loss. 📚 Vehicle History Brand Heritage Brand: Pontiac was a performance-oriented division of General Motors, known for its sporty styling and powerful engines. Model Evolution Third Generation: The 2003 Bonneville represents the final generation (2000-2005) of the Bonneville...