🏷️ Basic Information Identification Make: Pontiac Model: Grand Am Year: 2003 Generation Generation Code: 3rd Generation (2000-2005) Codes Platform Code: GM P-body 👋 Introduction Market Position Market Position: Mid-size sporty sedan/coupe targeting a younger demographic seeking performance and style at an accessible price point. Competitive Analysis Competitive Analysis: Competed against vehicles like the Honda Accord Coupe, Toyota Camry Coupe, Mitsubishi Eclipse, and Ford Mustang. Offered a balance of comfort, sportiness, and practicality. Key Features Key Features: Distinctive styling, strong optional V6 engine, sporty suspension tuning (especially GT models), optional supercharger on some performance variants. 📋 Manual Details Coverage Areas Coverage Areas: Comprehensive service and repair for all major vehicle systems Page Count Page Count: Varies by specific software build, but equivalent to thousands of pages of technical data Manual Type Manual Type: Digital Service and Repair Manual Language Language: English Format Format: Online Software / Web-Based Access 📖 Manual Coverage Systems Covered Systems Covered: Engine mechanical, engine performance, transmission (automatic and manual), drivetrain, suspension, steering, brakes, exhaust, HVAC, body electrical, chassis electrical, emissions, diagnostics, body and frame, interior trim, exterior trim, safety systems Procedures Included Procedures Included: Routine maintenance, troubleshooting, diagnostics, component removal and installation, repair procedures, system adjustments, wiring diagrams, specifications, torque values, diagnostic trouble codes (DTCs) Technical Depth Technical Depth: Factory-level diagnostic and repair procedures, including detailed schematics and component-level troubleshooting. 📊 Manual Specifications File Format File Format: Web-based access, compatible with PC, laptop, smartphone, tablet via web browser Print Quality Print Quality: N/A (digital format); high-resolution diagrams and text Binding Type Binding Type: N/A (digital format) Paper Type Paper Type: N/A (digital format) ⚙️ Engine Specifications Primary Engine Primary Engine Options: 2.4L DOHC I4 (LD9), 3.4L OHV V6 (L36), 3.4L Supercharged OHV V6 (L67) Performance 2.4L I4 Horsepower 2.4L I4: 150 hp @ 5600 rpm Torque 2.4L I4: 155 lb-ft @ 4400 rpm Performance 3.4L V6 Horsepower 3.4L V6: 170 hp @ 4800 rpm Torque 3.4L V6: 205 lb-ft @ 3200 rpm Performance 3.4L Supercharged V6 Horsepower 3.4L Supercharged V6: 175 hp @ 4800 rpm (slight increase over naturally aspirated) Torque 3.4L Supercharged V6: 210 lb-ft @ 3600 rpm (slight increase over naturally aspirated) Fuel System Fuel System: Multi-port Fuel Injection (MPFI) Engine Codes Engine Code Ld9: LD9 Engine Code L36: L36 Engine Code L67: L67 🔧 Transmission Standard Standard Transmission: 4-speed automatic (4T65-E) Optional Optional Transmission: 5-speed manual (M5N) available on some 4-cylinder models Features Transmission Features: Automatic transmission features electronic control, performance algorithms, and overdrive. Manual transmission offers driver engagement. 📐 Dimensions Exterior Wheelbase: 107.0 inches (2718 mm) Length: 191.4 inches (4862 mm) Width: 70.4 inches (1788 mm) Height: 55.7 inches (1415 mm) Weights Curb Weight Min: 3180 lbs (1442 kg) (4-cylinder) Curb Weight Max: 3380 lbs (1533 kg) (V6) 🛡️ Safety Features Ratings NHTSA Driver Front Impact: 4/5 Stars NHTSA Passenger Front Impact: 4/5 Stars IIHS Moderate Overlap Front: Good (for vehicles of similar design and weight) Active Features Active Features: Anti-lock Braking System (ABS), Traction Control System (TCS) on some models Passive Features Passive Features: Driver and front passenger airbags, front side-impact airbags (optional), front and rear crumple zones, reinforced safety cage 💡 Technology Features Infotainment Infotainment Features: Available AM/FM stereo with CD player, cassette player, and optional premium sound system. Optional steering wheel audio controls. Driver Assistance Driver Assistance Features: Cruise control, optional anti-lock brakes (ABS), optional traction control. Connectivity Connectivity Features: Basic connectivity with available power outlets. No integrated Bluetooth or USB connectivity from the factory. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000-5,000 miles (4,800-8,000 km) or 3-6 months, depending on driving conditions and oil type used. Tire Rotation Interval: Every 5,000-7,500 miles (8,000-12,000 km) Spark Plug Replacement Interval I4: Approximately 100,000 miles (160,000 km) with platinum-tipped plugs. Spark Plug Replacement Interval V6: Approximately 100,000 miles (160,000 km) with platinum-tipped plugs. Fluid Specifications Engine Oil Specification: API certified SAE 5W-30 synthetic blend or full synthetic oil (check owner's manual for specific viscosity recommendations based on temperature). Transmission Fluid Type: Dexron III or Dexron VI automatic transmission fluid (ATF) Coolant Type: GM Goodwrench 50/50 mixture of antifreeze and deionized water (e.g., Dex-Cool orange coolant). Brake Fluid Type: DOT 3 or DOT 4 brake fluid Known Issues Known Issues Intake Manifold: Cracked plastic intake manifolds on some V6 engines can lead to coolant leaks and overheating. Known Issues Wheel Bearings: Premature wear or failure of front wheel bearings, especially on heavier V6 models. Known Issues Evap System: Issues with the evaporative emission (EVAP) system, such as a faulty purge solenoid or vent valve, leading to check engine lights. Known Issues Power Steering: Leaking power steering pumps or hoses. Known Issues Transaxle: Some 4T65-E transaxles may experience issues with torque converter clutch (TCC) engagement or solenoid failures. 📚 Vehicle History Brand Heritage Brand Heritage: Pontiac was established in 1926 as a companion...