🏷️ Basic Information Identification Make: Pontiac Model: Firebird Year: 1991 Generation Third Generation: 1982-1992 Codes Platform: F-body 👋 Introduction Market Position Target Audience: DIY mechanics, independent repair shops, Firebird enthusiasts Competitive Analysis Comparison: Offers a modern, accessible alternative to outdated printed manuals, with convenient online access and potentially more up-to-date information depending on the software provider's updates. Key Features Licensing: Officially licensed, derived from OE (Original Equipment) materials Accessibility: Compatible with PC, laptop, smartphone, tablet via web browser Convenience: Instant access, no physical storage required 📋 Manual Details Coverage Areas Primary Coverage: Comprehensive service and repair Secondary Coverage: Diagnostics, troubleshooting, maintenance, repair procedures Page Count Estimated Pages: Over 1500 (typical for full service manual) Manual Type Type: Software Service & Repair Manual Language Language: English Format Format: Online access (web browser based) Access Duration: 1 year 📖 Manual Coverage Systems Covered Engine: 2.8L V6 (LB6), 3.1L V6 (LH0), 5.0L V8 (LB9, L98), 5.7L V8 (B2L, L98) Drivetrain: Manual and automatic transmissions, clutch, driveshaft, differential, axles Suspension Steering: Front and rear suspension, steering gear, power steering system Brakes: Front and rear brakes (disc/drum), anti-lock braking system (ABS) Electrical Lighting: Wiring diagrams, lighting system, charging system, starting system, battery Body Chassis: Body panels, interior trim, doors, glass, chassis components HVAC: Heating, ventilation, and air conditioning system Fuel Exhaust: Fuel delivery system, fuel injection, exhaust system Procedures Included Maintenance: Oil changes, filter replacements, fluid checks, tune-ups, lubrication Repair: Engine component replacement, transmission overhaul, brake caliper rebuild, suspension strut replacement Diagnostics Troubleshooting: Fault finding, diagnostic trouble codes (DTCs), symptom-based troubleshooting Electrical Diagnostics: Testing circuits, component diagnosis, wiring repair Bodywork: Panel alignment, dent repair, rust prevention, glass replacement Technical Depth Depth: Detailed step-by-step repair procedures, torque specifications, diagnostic charts Diagnostic Tools: Information on using specific diagnostic tools and equipment 📊 Manual Specifications File Format Digital Format: Web-based, accessible via HTML and potentially other web technologies Print Quality Digital Quality: High-resolution images, clear text, interactive diagrams (potential) Binding Type Digital Binding: N/A (software access) Paper Type Digital Medium: Internet and web browser ⚙️ Engine Specifications Primary Engine Engine Options: 2.8L V6 (LB6), 3.1L V6 (LH0), 5.0L V8 (LB9 TPI, L98 Tuned Port Injection), 5.7L V8 (B2L Corsa, L98 Tuned Port Injection - L98 only available on Formula/Trans Am GT) Performance 5.0L V8 (Lb9) Power: Approx. 215 hp @ 4000 rpm 5.0L V8 (Lb9) Torque: Approx. 285 lb-ft @ 3200 rpm 5.7L V8 (L98) Power: Approx. 230 hp @ 4400 rpm 5.7L V8 (L98) Torque: Approx. 330 lb-ft @ 2800 rpm Fuel System Injection Type: Central Sequential Fuel Injection (CSFI) for V6, Tuned Port Injection (TPI) for V8 Fuel Type: Unleaded Gasoline Engine Management ECM: Engine Control Module (ECM) for fuel injection and ignition timing 🔧 Transmission Standard Standard Transmission: 5-speed manual (ML8 for V6, MM5 for V8) Optional Automatic Transmission: 4-speed automatic (700R4/4L60 for V6 and V8) Features Overdrive: Overdrive gears in both manual and automatic transmissions Transmission Fluid Automatic Fluid Spec: Dexron-III ATF Manual Fluid Spec: GL-4 Gear Lubricant (specific viscosity may vary) 📐 Dimensions Exterior Wheelbase: 101.4 inches (2576 mm) Length: 190.5 inches (4839 mm) Width: 70.2 inches (1783 mm) Height: 49.5 inches (1257 mm) Weights Curb Weight Est: 3100 - 3400 lbs (approx. depending on engine and options) Gross Vehicle Weight Rating Est: 4300 - 4500 lbs (approx.) 🛡️ Safety Features Ratings NHTSA Front Impact Est: 4/5 Stars (driver/passenger) - typical for era Active Features ABS: Available Anti-lock Braking System (ABS) on some models Passive Features Seat Belts: 3-point front seat belts, lap belts in rear Airbags: Driver-side airbag standard Rollover Protection: Reinforced windshield frame and integral roll bar behind seats 💡 Technology Features Infotainment Audio Options: AM/FM stereo with cassette player, optional CD player, upgraded speaker systems Driver Assistance Cruise Control: Standard on many models Traction Control: Available on some higher-performance models (e.g., early versions of F-body traction control) Connectivity Connectivity Features: N/A (pre-digital age, limited to basic vehicle systems) 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000-5,000 miles or 6 months, whichever comes first Air Filter Replacement: Every 15,000-30,000 miles or as needed based on driving conditions Spark Plug Replacement: Approx. 30,000-60,000 miles depending on plug type (e.g., copper vs. platinum) Fluid Specifications Engine Oil Spec: API SG, SAE 5W-30 or 10W-30 (consult manual for specific engine/climate) Coolant Spec: Ethylene Glycol based coolant, 50/50 mix with distilled water Brake Fluid Spec: DOT 3 Brake Fluid Power Steering Fluid Spec: Dexron-III ATF or GM Power Steering Fluid Known Issues Common Problems: Fuel pump failure, starter issues, window motor failure, intake manifold gasket leaks (V6), erratic idle (TPI), ABS sensor failures, door lock actuator issues. Electrical Issues: Aging wiring harnesses can lead to intermittent electrical problems, particularly in lighting and accessory circuits. Suspension Wear: Ball joints, tie rod ends, and sway bar bushings are common wear items. 📚 Vehicle History Brand Heritage...