Vehicle Class:
Compact/Subcompact Executive Sedan
Target Audience:
Enthusiasts and owners seeking to perform maintenance and repairs on their Infiniti G20.
Key Competitors 1992:
Acura Integra, Honda Civic Si, BMW 3 Series (E30), Audi 90, Volkswagen Jetta.
Vehicle Selling Points:
Known for its sporty handling, upscale interior for its class, and reliable performance, often compared to European rivals.
Manual Value Proposition:
Provides exhaustive, professional-grade information to empower owners to maintain and repair their vehicle effectively, saving time and money.
General Information:
Includes vehicle identification, safety precautions, jacking and lifting points, and general maintenance procedures.
Maintenance:
Covers scheduled maintenance, fluid changes, inspections, and lubrication.
Engine Mechanical:
Details internal engine components, disassembly, inspection, assembly, and overhaul procedures for all engines.
Engine Lubrication And Cooling Systems:
Explains the oil pump, oil filter, oil passages, coolant pump, radiator, thermostat, and system diagnostics.
Engine Control System:
Covers electronic engine control unit (ECU), sensors, actuators, ignition system, and fuel injection system troubleshooting.
Accelerator Control Fuel And Exhaust Systems:
Includes throttle body, fuel pump, injectors, fuel lines, evaporative emission control system, and exhaust manifold/catalytic converter.
Clutch:
Details clutch operation, hydraulic system, clutch disc, pressure plate, and flywheel inspection/replacement.
Transmission:
Covers manual transmission (MT) and automatic transmission (AT) servicing, including gear trains, clutch packs, valve body, and torque converter.
Front Suspension:
Details MacPherson strut design, control arms, ball joints, bushings, and wheel bearing replacement.
Rear Suspension:
Covers multi-link independent rear suspension components, shock absorbers, springs, and alignment procedures.
Brake System:
Includes hydraulic system, brake fluid, master cylinder, brake boosters, front/rear disc brakes, and parking brake system.
Steering System:
Details rack and pinion steering, power steering pump, hydraulic lines, and steering column components.
Restraint System:
Covers seat belts, pre-tensioners, and potentially airbag system diagnostics (depending on detail level).
Body And Trim:
Includes exterior panels, interior trim removal/installation, doors, windows, and body repair considerations.
Heater And Air Conditioner:
Covers HVAC system components, refrigerant, blower motor, climate controls, and troubleshooting.
Electrical System:
Details battery, charging system, starter, lighting, wiring harnesses, fuses, relays, and common electrical components.
Troubleshooting:
Comprehensive diagnostic charts, symptom-based troubleshooting, and specific fault code explanations.
Repair:
Step-by-step repair instructions for all covered systems, including disassembly, parts replacement, and reassembly.
Overhaul:
Detailed procedures for complete engine and transmission overhauls.
Diagnostics:
Guidance on using diagnostic tools, interpreting sensor data, and performing system checks.
Depth Level:
Comprehensive (covers everything from routine maintenance to complete engine rebuilds)
Diagrams And Illustrations:
Abundant, high-quality pictures and detailed diagrams for clarity.
Model Coverage Scope:
All models and all engines of the 1992 Infiniti G20 are covered.
Engine Code:
SR20DE (common for this generation)
Engine Type:
Inline 4-Cylinder, DOHC, 16-Valve
Displacement:
1998 cc (2.0 Liters)
Horsepower Est:
140-150 hp @ 6400 rpm (depending on specific market/tune)
Torque Est:
130-135 lb-ft @ 4800 rpm (depending on specific market/tune)
Fuel Delivery:
Multi-point Fuel Injection (MPI)
Fuel Type:
Unleaded Gasoline (Premium recommended)
Cooling Medium:
Water-cooled
Oil Capacity Quarts:
4.2 US quarts (4.0 Liters) with filter change
Recommended Oil Viscosity:
10W-30 (API SG or higher)
Oil Change Interval Miles:
Every 3,750 - 7,500 miles or 6 months (refer to manual for exact recommendation based on driving conditions).
Air Filter Replacement Miles:
Every 15,000 - 30,000 miles or as needed based on inspection.
Spark Plug Replacement Miles:
Typically around 60,000 - 100,000 miles for iridium or platinum plugs, but may differ for the original equipment (OE) type.
Coolant Flush Interval Miles:
Every 30,000 - 60,000 miles or 2-4 years.
Coolant Type:
Ethylene Glycol based coolant (Nissan Blue or equivalent, 50/50 mix with distilled water).
Brake Fluid Type:
DOT 3 or DOT 4
Common Wear Items:
Front suspension bushings, sway bar links, wheel bearings, and clutch components can experience wear over time.
Engine Lsd Issue:
The SR20DE engine is generally reliable, but some issues like oil leaks from valve cover gaskets or front crankshaft seals can occur with age.
Electrical Quirks:
Minor electrical issues like faulty window regulators, door lock actuators, or intermittent dash warning lights can be encountered.