🏷️ Basic Information Identification Make: Pontiac Model: Sunbird Year: 1990 Body Styles Covered: All Models (Sedan, Coupe, Convertible, Wagon/Hatchback) 👋 Introduction Market Position Target Audience: Vehicle owners, DIY enthusiasts, independent repair shops Value Proposition Key Benefits: Save time and money, empower owners to perform repairs, increase vehicle knowledge Manual Authenticity Authenticity: Factory service manual, equivalent to dealership technician tools 📋 Manual Details Coverage Coverage Areas: All models and all repairs A-Z Manual Completeness: Complete repair manual covering all aspects of vehicle maintenance and repair. Format Manual Type: Service and Repair Manual Format: PDF Language Language: English Usability Printable: Yes Searchable Text: Implied by PDF format and digital nature 📖 Manual Coverage Systems Engine Service: Complete engine service, diagnosis, and repair Fuel System Service: Fuel delivery, injection, carburetion (if applicable), fuel tank, lines Emission Control Service: Emission control systems, diagnosis, and repair Cooling System Service: Radiator, water pump, thermostat, hoses, cooling fan Lubrication System Service: Oil pump, oil filter, oil passages, lubrication schedules Ignition System Service: Spark plugs, ignition coils, distributor (if applicable), timing Starting Charging Service: Starter motor, alternator, battery, charging system diagnosis Transmission Service: Automatic transmission service, clutch service, manual transmission service Drivetrain Service: Transfer case, propeller shaft, drive shaft, differential, axles Suspension Steering Service: Front and rear suspension, steering column, power steering Brake Service: Brake control systems, hydraulic system, parking brake Tire Wheel Service: Tire and wheel specifications, mounting, balancing Air Conditioning Service: A/C system components, refrigerant, diagnosis Restraint System Service: Supplemental restraint system (airbags), seat belts Electrical System Service: Complete electrical system, wiring schematics, components Body Interior Exterior Service: Doors, hood, glass, mirrors, interior trim, exterior panels Instrumentation Controls Service: Instrument panel, meters, controls, cruise control Wiper Washer Service: Wiper and washer system components and repair Seat Service: Seat adjustment mechanisms, upholstery Multiplex Can Communication: Multiplex/CAN communication systems Procedures Maintenance Procedures: Complete maintenance procedures Diagnostic Procedures: Diagnostic procedures for all systems Repair Procedures: Step-by-step repair instructions for all components Installation Procedures: Installation procedures for key components Wiring Schematics Inclusion: Detailed wiring schematics for all electrical systems. Technical Depth Technical Depth: Vehicle-specific, exact same manual used by dealership technicians Instructional Content: Complete step-by-step instructions, diagrams, illustrations, wiring schematics, specifications Diagnostic Tools Coverage: Information to support diagnostics, potentially including diagnostic trouble codes (DTCs) for applicable systems. 📊 Manual Specifications File Format File Format: PDF Compatibility Operating Systems: Windows Vista 32/64, XP, ME, 98, NT, 2000, Mac Requirements Software Requirements: Adobe PDF Reader, Winzip Usability Page Quality: Printable, zoomable images Organization: Single PDF manual for easy navigation ⚙️ Engine Specifications Engine Variants Engine Options: Likely includes 2.0L 4-cylinder (VIN codes N, P) and 2.3L 4-cylinder (VIN code D) Quad 4 engines. Specific engine codes are critical and should be confirmed by VIN. Engine Details 1 Engine 2.0L Displacement: 1998 cc (122 cu in) Engine 2.0L Bore Stroke: Refer to manual for exact specifications Engine 2.0L Compression Ratio: Refer to manual for exact specifications Engine 2.0L Horsepower: Approx. 96-100 hp (depending on exact configuration) Engine 2.0L Torque: Approx. 124-127 lb-ft (depending on exact configuration) Engine Details 2 Engine 2.3L Quad4 Displacement: 2300 cc (140 cu in) Engine 2.3L Quad4 Bore Stroke: Refer to manual for exact specifications Engine 2.3L Quad4 Compression Ratio: Refer to manual for exact specifications Engine 2.3L Quad4 Horsepower: Approx. 160-180 hp (depending on exact configuration, e.g., HO) Engine 2.3L Quad4 Torque: Approx. 150-155 lb-ft (depending on exact configuration) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Engine Control Engine Control Module: ECM/PCM, diagnosis and reprogramming covered Engine Sensors: Coverage of sensors like MAP, TPS, O2, Coolant Temp, Crankshaft Position, Camshaft Position (if applicable). 🔧 Transmission Transmission Types Automatic Transmission Options: GM THM-125 3-speed automatic transmission Manual Transmission Options: Getrag 5-speed manual transmission (optional) Transmission Fluid Automatic Transmission Fluid Type: Dexron II (or equivalent per manual) Manual Transmission Fluid Type: Refer to manual for specific GL rating (e.g., GL-4) 📐 Dimensions Exterior Dimensions Wheelbase: Approximately 101.2 inches (2570 mm) for most models Overall Length: Varies by body style, typically around 175-179 inches (4445-4547 mm) Weights Curb Weight: Approximately 2500-2800 lbs (1134-1270 kg) depending on configuration Wheel Tire Specs Wheelbase Bolt Pattern: 4 x 100 mm Standard Tire Size: Likely 185/70R14 or 195/60R14, confirm with manual/VIN 🛡️ Safety Features Passive Features Seat Belts: Standard front seat belts, rear lap belts Supplemental Restraint System: Driver-side airbag became more common, refer to manual for specific vehicle equipment Active Features Antilock Brakes: Optional on some models, covered in manual 💡 Technology Features Infotainment Audio System: Factory AM/FM stereo with cassette player, optional premium sound systems. Comfort Convenience Cruise Control: Optional feature, service and repair covered. Air Conditioning: Factory A/C system, diagnosis and repair detailed. 🔧 Maintenance Service Intervals Engine Oil Change Interval: Typically every 3,000-5,000 miles or 3-6 months, refer to manual for specific oil type and viscosity (e.g., 5W-30 or 10W-30)...
Information to support diagnostics, potentially including diagnostic trouble codes (DTCs) for applicable systems.
📊 Manual Specifications
File Format
File Format:
PDF
Compatibility
Operating Systems:
Windows Vista 32/64, XP, ME, 98, NT, 2000, Mac
Requirements
Software Requirements:
Adobe PDF Reader, Winzip
Usability
Page Quality:
Printable, zoomable images
Organization:
Single PDF manual for easy navigation
⚙️ Engine Specifications
Engine Variants
Engine Options:
Likely includes 2.0L 4-cylinder (VIN codes N, P) and 2.3L 4-cylinder (VIN code D) Quad 4 engines. Specific engine codes are critical and should be confirmed by VIN.
Engine Details 1
Engine 2.0L Displacement:
1998 cc (122 cu in)
Engine 2.0L Bore Stroke:
Refer to manual for exact specifications
Engine 2.0L Compression Ratio:
Refer to manual for exact specifications
Engine 2.0L Horsepower:
Approx. 96-100 hp (depending on exact configuration)
Engine 2.0L Torque:
Approx. 124-127 lb-ft (depending on exact configuration)
Engine Details 2
Engine 2.3L Quad4 Displacement:
2300 cc (140 cu in)
Engine 2.3L Quad4 Bore Stroke:
Refer to manual for exact specifications
Engine 2.3L Quad4 Compression Ratio:
Refer to manual for exact specifications
Engine 2.3L Quad4 Horsepower:
Approx. 160-180 hp (depending on exact configuration, e.g., HO)
Engine 2.3L Quad4 Torque:
Approx. 150-155 lb-ft (depending on exact configuration)
Fuel System
Fuel Delivery:
Electronic Fuel Injection (EFI)
Engine Control
Engine Control Module:
ECM/PCM, diagnosis and reprogramming covered
Engine Sensors:
Coverage of sensors like MAP, TPS, O2, Coolant Temp, Crankshaft Position, Camshaft Position (if applicable).
🔧 Transmission
Transmission Types
Automatic Transmission Options:
GM THM-125 3-speed automatic transmission
Manual Transmission Options:
Getrag 5-speed manual transmission (optional)
Transmission Fluid
Automatic Transmission Fluid Type:
Dexron II (or equivalent per manual)
Manual Transmission Fluid Type:
Refer to manual for specific GL rating (e.g., GL-4)
📐 Dimensions
Exterior Dimensions
Wheelbase:
Approximately 101.2 inches (2570 mm) for most models
Overall Length:
Varies by body style, typically around 175-179 inches (4445-4547 mm)
Weights
Curb Weight:
Approximately 2500-2800 lbs (1134-1270 kg) depending on configuration
Wheel Tire Specs
Wheelbase Bolt Pattern:
4 x 100 mm
Standard Tire Size:
Likely 185/70R14 or 195/60R14, confirm with manual/VIN
🛡️ Safety Features
Passive Features
Seat Belts:
Standard front seat belts, rear lap belts
Supplemental Restraint System:
Driver-side airbag became more common, refer to manual for specific vehicle equipment
Active Features
Antilock Brakes:
Optional on some models, covered in manual
💡 Technology Features
Infotainment
Audio System:
Factory AM/FM stereo with cassette player, optional premium sound systems.
Comfort Convenience
Cruise Control:
Optional feature, service and repair covered.
Air Conditioning:
Factory A/C system, diagnosis and repair detailed.
🔧 Maintenance
Service Intervals Engine
Oil Change Interval:
Typically every 3,000-5,000 miles or 3-6 months, refer to manual for specific oil type and viscosity (e.g., 5W-30 or 10W-30)
Spark Plug Replacement:
Refer to manual; typically around 30,000-60,000 miles
Timing Belt Replacement:
For Quad 4 engines, critical interval (e.g., 60,000-90,000 miles), covered in manual
Fluid Specifications
Coolant Type:
Ethylene glycol based, GM specification (refer to manual for specific type)
Brake Fluid Type:
DOT 3
Power Steering Fluid:
Dexron II (or specific GM power steering fluid)
Known Issues
Common Issues Engine Quad4:
Head gasket issues, oil consumption, timing belt failure (if not maintained), intake manifold gasket leaks.
Common Issues General:
Rust on body panels, electrical gremlins, suspension wear, exhaust system corrosion.
📚 Vehicle History
Model Evolution
Platform:
Based on GM's J-body platform, shared with Chevrolet Cavalier and Cadillac Cimarron.
Production
Manufacturing Location:
Primarily General Motors plants in North America
Brand Heritage
Pontiac Legacy:
Pontiac was positioned as a performance-oriented brand within GM, though the Sunbird often offered more economy-focused variants.