🏷️ Basic Information Identification Make: Pontiac Model: Firebird Year: 1990 Codes Chassis Code: Third Generation (Third F-body) 👋 Introduction Market Position Positioning: High-performance sports coupe and convertible, targeting enthusiasts and performance-oriented buyers. Competitive Analysis Competitors: Chevrolet Camaro, Ford Mustang, Mercury Capri. Key Features Manual Advantage: Vehicle-specific, technician-level detail, comprehensive coverage for all repairs, digital format for ease of use and portability. Vehicle Appeal: Distinctive styling, rear-wheel drive performance, V6 and V8 engine options, available T-tops. 📋 Manual Details Coverage Areas Primary Coverage: All 1990 Pontiac Firebird models and all repairs A-Z Page Count Estimated Page Count: Varies by specific print run, but described as comprehensive. Manual Type Type: Service and Repair Manual Language Language: English Format Format: PDF (Digital Download) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine disassembly, assembly, overhaul, diagnostics, performance tuning Engine Control System: ECU diagnostics, sensor testing, fuel injection system, ignition system Fuel System: Fuel pump, injectors, fuel lines, fuel filter, vapor control Emission Control: Emissions systems, catalytic converter, EGR, PCV, O2 sensors Cooling System: Radiator, water pump, thermostat, cooling fan, coolant specifications Lubrication System: Oil pump, oil filter, oil specifications, oil pan, lubrication passages Ignition Starting Charging: Spark plugs, ignition coils, distributor, starter motor, alternator, battery Automatic Transmission: Transmission removal, installation, internal components, fluid service, diagnostics Manual Transmission: Clutch assembly, gearbox, shift linkages, fluid specifications Drivetrain: Driveshaft, U-joints, differential, axle shafts, wheel bearings Suspension: Front and rear suspension components, springs, shocks, control arms, alignment specifications Wheels Tires: Tire pressure specifications, rotation, balancing, wheel specifications Brake System: Brake pads, rotors, calipers, lines, master cylinder, brake fluid specifications, ABS diagnostics (if equipped) Parking Brake: Parking brake mechanism, cables, adjustment Steering System: Steering column, steering gear, power steering pump, fluid specifications Air Conditioning: Refrigerant, compressor, A/C system diagnostics, components Supplemental Restraint System: Airbag system diagnostics and safety precautions (if equipped) Seat Belts: Seat belt operation and maintenance Cruise Control: Cruise control system operation and diagnostics Wiper Washer: Wiper motor, linkage, washer pump, fluid replacement Door Locks: Door lock mechanisms, power locks, keyless entry (if equipped) Instrument Panel: Gauges, warning lights, dashboard illumination, instrument cluster removal and installation Lighting System: Headlights, taillights, interior lighting, bulb replacement Audio Visual: Radio, speaker removal and installation Body Exterior: Hood, doors, fenders, bumpers, trim, glass, mirrors, seal replacement Body Interior: Seats, upholstery, door panels, headliner, carpet, interior trim Electrical System: Wiring harness inspection, component testing, fuse box layout, relay functions Multiplex Can Communication: Diagnostics for multiplex systems and CAN bus (if applicable to 1990 model features) Procedures Included Diagnostic Procedures: Step-by-step troubleshooting guides for all major systems and common issues Maintenance Procedures: Scheduled maintenance, fluid changes, filter replacements, tune-ups Repair Procedures: Detailed instructions for component removal, installation, and repair Installation Procedures: Instructions for installing new or replacement parts Technical Depth Depth: Factory-level detail, suitable for professional technicians and advanced DIY enthusiasts 📊 Manual Specifications File Format Format: PDF Print Quality Printability: All pages printable in high detail, including enlarged diagrams Binding Type Binding: Digital (PDF), no physical binding Paper Type Paper Type Digital: N/A (Digital file) ⚙️ Engine Specifications Primary Engine Base Engine: 2.8L V6 (LB6) Optional Engine 1: 3.1L V6 (3100) Optional Engine 2: 5.0L V8 (305ci) TPI (LU5/LB9) Optional Engine 3: 5.7L V8 (350ci) Tuned Port Injection (L98) - Typically found in Trans Am models, but potentially available in Firebird as well. Performance Base Engine Horsepower: Approximately 135-140 hp (LB6) Base Engine Torque: Approximately 165-170 lb-ft (LB6) 5.0L V8 Tpi Horsepower: Approximately 225-230 hp (LB9) 5.0L V8 Tpi Torque: Approximately 285-290 lb-ft (LB9) Fuel System Fuel Delivery: Throttle Body Injection (TBI) for V6, Tuned Port Injection (TPI) for V8 models 🔧 Transmission Standard Standard Transmission: 5-Speed Manual (e.g., BW T-5) Optional Optional Transmission: 3-Speed Automatic (e.g., TH700-R4/4L60) or 4-Speed Automatic (e.g., 4L60E, though 4L60 was common). Features Transmission Features: Overdrive gear in automatics for improved fuel economy, manual transmission clutch operation. 📐 Dimensions Exterior Wheelbase: 101.1 inches Length: 191.4 inches Width: 70.9 inches Height: 50.1 inches Weights Curb Weight: Approximately 3000-3400 lbs depending on engine and options. 🛡️ Safety Features Ratings Crash Test Ratings: Limited specific ratings readily available for 1990 models by modern standards. Focus was on passive restraints. Active Features Active Safety: Four-wheel disc brakes (optional on some models, standard on higher trims/performance models), front disc/rear drum on base models, power steering. Passive Features Passive Safety: Seat belts (three-point front, lap rear), padded interior surfaces, collapsible steering column. 💡 Technology Features Infotainment Audio System: Factory AM/FM cassette stereo with optional equalizer and premium speaker systems. CD players were rare/aftermarket in 1990. Driver Assistance Driver Assistance Features: Anti-lock Braking System (ABS) was an option on higher-trim models or performance packages. Connectivity Connectivity Options: None from factory (no Bluetooth, USB, or integrated smartphone connectivity). 🔧 Maintenance Service Intervals Oil Change Interval: Typically 3,000-5,000 miles or 3-6 months, depending on driving conditions...
Pontiac, a division of General Motors, was known for its performance-oriented and stylish vehicles, often positioned as the 'excitement division'.
Model Evolution
Third Gen Evolution:
The third-generation Firebird (1982-1992) underwent styling updates and powertrain enhancements throughout its run, with 1990 seeing refinements in the lineup.
Production
Production Location:
General Motors' Van Nuys, California, assembly plant.
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