Vehicle Segment:
        
        
            Compact executive sedan/hatchback
        
     
    
        
            Target Audience:
        
        
            Enthusiasts, DIY mechanics, professional workshops seeking comprehensive repair data.
        
     
    
    
        
            Key Competitors:
        
        
            Acura Integra, Honda Civic Si, BMW 3 Series (E30/E36), Mercedes-Benz 190E, Audi 80/90
        
     
    
    
        
            Value Proposition:
        
        
            An inexpensive way to keep the vehicle working properly, empowering owners to perform repairs and save money.
        
     
    
        
            Content Completeness:
        
        
            100% complete and intact, no missing or corrupt pages/sections.
        
     
 
    
    
    
        
            Engine Mechanical:
        
        
            Detailed procedures for engine disassembly, inspection, and reassembly.
        
     
    
        
            Engine Lubrication And Cooling:
        
        
            Covers oil pump, oil filter, oil passages, water pump, radiator, thermostat, and coolant flow.
        
     
    
        
            Engine Control System:
        
        
            Includes ECU, sensors (e.g., MAP, TPS, O2), actuators, ignition system, and fuel injection diagnostics.
        
     
    
        
            Accelerator Control Fuel Exhaust:
        
        
            Details on throttle body, fuel pump, injectors, fuel lines, exhaust manifold, catalytic converter, and muffler.
        
     
    
        
            Clutch:
        
        
            Repair and adjustment procedures for the clutch assembly, master cylinder, and slave cylinder.
        
     
    
        
            Manual Transaxle:
        
        
            Complete overhaul and repair procedures for manual transmissions.
        
     
    
        
            Automatic Transaxle:
        
        
            Detailed repair, adjustment, and diagnostic procedures for automatic transmissions.
        
     
    
        
            Front Axle Suspension:
        
        
            Covers struts, control arms, ball joints, tie rods, sway bars, and wheel bearings.
        
     
    
        
            Rear Axle Suspension:
        
        
            Details on rear struts, trailing arms, lateral links, and rear springs.
        
     
    
        
            Brake System:
        
        
            Procedures for front and rear brakes, including calipers, rotors, pads, master cylinder, ABS (if equipped), and parking brake.
        
     
    
        
            Steering System:
        
        
            Covers power steering pump, rack and pinion assembly, steering column, and alignment procedures.
        
     
    
        
            Restraint System:
        
        
            Information on airbags, seat belts, and related components.
        
     
    
        
            Body And Trim:
        
        
            Interior and exterior trim removal, installation, and repair procedures.
        
     
    
        
            Heater Air Conditioner:
        
        
            Details on HVAC system components, refrigerant, blower motor, and control panel.
        
     
    
        
            Electrical System:
        
        
            Comprehensive wiring diagrams, component testing, fuse box layout, and lighting system repair.
        
     
    
    
        
            General Information:
        
        
            Vehicle identification, general precautions, and torque specifications.
        
     
    
        
            Maintenance:
        
        
            Scheduled maintenance, fluid checks, filter replacements, and general upkeep.
        
     
    
        
            Diagnostics:
        
        
            Troubleshooting guides for common problems and systematic diagnostic approaches.
        
     
    
        
            Repair And Rebuild:
        
        
            Step-by-step instructions for component repair and complete system overhauls.
        
     
    
        
            Refurbishment Restoration:
        
        
            Guidance for bringing the vehicle back to optimal condition.
        
     
    
    
        
            Detail Level:
        
        
            From basic DIY to experienced mechanic level, covering complete disassembly.
        
     
    
        
            Illustrations Diagrams:
        
        
            Hundreds of detailed illustrations, diagrams, and wiring schematics.
        
     
    
        
            Step By Step Instructions:
        
        
            Clear, sequential instructions for all repair and maintenance procedures.
        
     
 
    
    
    
        
            Oil Change:
        
        
            Every 3,750 miles (6,000 km) or 6 months, whichever comes first.
        
     
    
        
            Air Filter Replacement:
        
        
            Every 15,000 miles (24,000 km).
        
     
    
        
            Spark Plug Replacement:
        
        
            Every 60,000 miles (96,000 km) using NGK PFR6A-11 or equivalent.
        
     
    
    
        
            Engine Oil:
        
        
            API SG or SH, SAE 5W-30 or 10W-30. Capacity: 4.3 US quarts (4.1 liters) with filter.
        
     
    
        
            Coolant:
        
        
            Nissan Genuine Super Long Life Coolant (Blue) or equivalent. 50/50 mix with distilled water. Capacity: 6.7 US quarts (6.3 liters).
        
     
    
        
            Transmission Fluid Manual:
        
        
            API GL-4, SAE 75W-90 synthetic gear oil. Capacity: 2.3 US quarts (2.2 liters).
        
     
    
        
            Transmission Fluid Automatic:
        
        
            Nissan Genuine Matic D or equivalent. Capacity: 3.8 US quarts (3.6 liters) for drain and fill.
        
     
    
        
            Brake Fluid:
        
        
            DOT 3 or DOT 4.
        
     
    
    
        
            Engine Mounts:
        
        
            Wear and tear leading to vibration, especially under load.
        
     
    
        
            Cv Axles:
        
        
            Durability can be an issue, leading to clicking noises during turns.
        
     
    
        
            Heater Core:
        
        
            Prone to leaks, requiring dashboard removal for replacement.
        
     
    
        
            Sentra Eccs Issues:
        
        
            While not explicitly G20, the SR20DE engine in other platforms had known issues with the Idle Air Control Valve (IACV) and Distributor.