🏷️ Basic Information Identification Make: Pontiac Model: Grand Am Year: 1999 Codes Platform: GM N-body (Third Generation) 👋 Introduction Market Position Market Segment: Compact/Mid-size Sedan and Coupe, Targeting value-conscious buyers and younger demographics Competitive Analysis Competitors: Chevrolet Cavalier, Oldsmobile Achieva, Ford Escort, Honda Civic, Toyota Corolla Key Features Distinguishing Features: Sporty styling, comfortable interior, available performance options, affordable pricing Manual Value Proposition Advantage Over Print: Instant access, searchable content, compatibility across devices, cost-effectiveness compared to older printed manuals 📋 Manual Details Coverage Areas Coverage Areas: Engine, Transmission, Drivetrain, Brakes, Suspension, Steering, Electrical System, HVAC, Body and Chassis, Fuel System, Cooling System, Exhaust System, Interior Components, Exterior Components, Diagnostics and Troubleshooting Page Count Estimated Page Count: 1500+ Manual Type Manual Type: Service and Repair Manual Software Language Language: English Format Format: Online Access (Web Browser Based) 📖 Manual Coverage Systems Covered Engine: 3.4L (LA2) V6 and 2.4L (LQ3) DOHC 4-Cylinder Transmission: 4-Speed Automatic (4T60-E/4T65-E) Drivetrain: Front-Wheel Drive (FWD) Brakes: Front Disc, Rear Drum (ABS Optional) Suspension: Front MacPherson Struts, Rear Independent Struts Steering: Rack and Pinion, Power Assisted Electrical System: Wiring Diagrams, Fuses, Relays, Lighting, Ignition System, Charging System, Starting System, Battery HVAC: Air Conditioning, Heater, Ventilation Body And Chassis: Body Panel Repair, Door Mechanisms, Glass, Interior Trim, Frame Components Fuel System: Fuel Pump, Injectors, Fuel Tank, Lines Cooling System: Radiator, Water Pump, Thermostat, Hoses Exhaust System: Muffler, Catalytic Converter, Pipes Procedures Included Maintenance: Oil Changes, Filter Replacements, Fluid Checks and Top-Offs, Spark Plug Replacement, Belt Inspection and Replacement, Tire Rotation Troubleshooting: Diagnostic Trouble Codes (DTCs), Component Testing, Symptom-Based Diagnostics Repair: Engine Overhaul, Transmission Rebuild, Brake Pad and Rotor Replacement, Suspension Component Replacement, Steering Rack Repair, Electrical Component Replacement, HVAC System Repair Installation: Accessory Installation, Component Upgrades Technical Depth Depth: Factory-Level Detail, Comprehensive Repair Procedures, Diagnostic Flowcharts, Component Specifications and Tolerances 📊 Manual Specifications File Format Digital Format: Web-Based Software, Accessible via Internet Browser Print Quality Print Capability: Pages are printable for offline use Binding Type Binding: N/A (Digital Format) Paper Type Paper Quality: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine 1: 2.4L (LQ3) Twin Cam 16-Valve Inline-4 Engine 1 Displacement: 2398 cc Engine 1 Horsepower: 150 hp @ 5600 rpm Engine 1 Torque: 155 lb-ft @ 4400 rpm Optional Engine Engine 2: 3.4L (LA2) 3400 SFI V6 Engine 2 Displacement: 3387 cc Engine 2 Horsepower: 170 hp @ 4800 rpm Engine 2 Torque: 205 lb-ft @ 4000 rpm Fuel System Fuel Delivery: Multi-Port Fuel Injection (MPFI) Recommended Fuel: 87 Octane Unleaded Gasoline Performance Engine Management: ECU controlled, OBD-II compliant 🔧 Transmission Standard Transmission Type: 4-Speed Automatic (4T60-E/4T65-E) Optional Manual Transmission: Not typically offered on the 1999 model Features Transmission Fluid Type: Dexron III (or equivalent) Transmission Fluid Capacity: Approx. 8.5 quarts (8.0 liters) for refill, 11.5 quarts (10.9 liters) for overhaul 📐 Dimensions Exterior Length: 193.1 inches (4905 mm) Width: 69.7 inches (1770 mm) Height: 55.7 inches (1415 mm) Wheelbase: 103.4 inches (2626 mm) Weights Curb Weight Est: 3000 - 3200 lbs (1360 - 1450 kg) 🛡️ Safety Features Ratings NHTSA Front Impact: 4 Stars (Driver and Passenger) NHTSA Side Impact: Not rated or 3 Stars (Varies by year/trim) Active Features ABS: Optional Anti-lock Braking System (ABS) Passive Features Airbags: Driver and Passenger Frontal Airbags Seatbelts: Front Pretensioner Seatbelts 💡 Technology Features Infotainment Audio System: AM/FM Stereo with Cassette Player, Optional CD Player Speakers: Standard 4-speaker or Optional 6-speaker premium system 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000-5,000 miles or 3-6 months, depending on driving conditions (consult manual for specifics) Air Filter Replacement: Every 15,000-30,000 miles or as needed based on inspection Spark Plug Replacement 4Cyl: Every 100,000 miles (AC Delco Platinum) Spark Plug Replacement V6: Every 100,000 miles (AC Delco Platinum) Coolant Flush: Every 30,000 miles or 2 years Fluid Specifications Engine Oil Type: SAE 5W-30 (API Service SG or SH) Engine Oil Capacity: 4.5 quarts (4.3 liters) with filter for 2.4L, 4.5 quarts (4.3 liters) with filter for 3.4L Coolant Type: GM Goodwrench 50/50 mixture of Dex-Cool coolant and distilled water Brake Fluid Type: DOT 3 Known Issues Common Problem 1: Intake manifold gasket leaks (3.4L V6) Common Problem 2: Power steering pump leaks or noise Common Problem 3: Window regulator failures Common Problem 4: EGR valve clogging Common Problem 5: Dashboard cracking or deterioration 📚 Vehicle History Brand Heritage Pontiac Legacy: Pontiac historically represented performance and sporty styling within GM's lineup. Model Evolution Grand Am Generations: The 1999 model is part of the third generation (1992-1998) Grand Am, which saw significant styling and mechanical updates. Production Manufacturing Plant: General Motors Fairfax Assembly Plant, Kansas City, Kansas; GM Lansing West Assembly Plant, Lansing, Michigan 🏆 Awards & Recognition Recognitions Automotive Journal Awards: Often cited for its value and sporty styling for its price point.