🏷️ Basic Information Identification Make: Nissan Model: NX Year: 1991 Generation Generation Code: B13 Codes Chassis Code: B13 👋 Introduction Market Position Positioning: Targets DIY mechanics and independent repair shops seeking accurate, factory-sourced information for the 1991 Nissan NX, offering a convenient digital alternative to outdated printed manuals. Competitive Analysis Comparison: Provides licensed OE (Original Equipment) data, differentiating it from generic third-party repair guides. Offers a more accessible and potentially cost-effective solution compared to traditional printed manuals. Key Features Features: Officially licensed, factory-derived information, online accessibility, comprehensive system coverage, step-by-step repair procedures, detailed diagrams, and diagnostic information. Value Proposition Proposition: Empowers vehicle owners to perform maintenance and repairs themselves, saving on labor costs, with a user-friendly digital interface compatible with multiple devices. 📋 Manual Details Coverage Areas Engine: Yes Transmission: Yes Brakes: Yes Suspension: Yes Steering: Yes Electrical System: Yes HVAC: Yes Body And Chassis: Yes Interior: Yes Page Count Estimated Page Count: Comprehensive (Digital Content) Manual Type Type: Official Service and Repair Manual Software Language Language: English Format Format: Digital Software (Online Access) 📖 Manual Coverage Systems Covered Powertrain: Full coverage of engine mechanicals, fuel system, ignition system, cooling system, lubrication system, exhaust system, and engine management (ECU). Drivetrain: Covers manual and automatic transmissions, clutch system, drive axles, differentials, and transfer case (if applicable). Chassis And Suspension: Detailed information on front and rear suspension components, shock absorbers, springs, control arms, bushings, wheel bearings, and alignment procedures. Steering And Brakes: Comprehensive data on steering rack, power steering system, brake hydraulic system, ABS (if equipped), brake pads, rotors, calipers, master cylinder, and bleeding procedures. Electrical And Electronics: In-depth electrical schematics, wiring diagrams, fuse box layouts, component testing, diagnosis of starter, alternator, battery, lighting, gauges, and body control modules. HVAC: Covers air conditioning system operation, refrigerant handling, heater core, blower motor, climate control panel, and diagnostic procedures. Body And Interior: Information on body panel repair, doors, windows, locks, seats, dashboard assembly, trim removal, and interior component replacement. Procedures Included Scheduled Maintenance: Covers routine maintenance tasks such as oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, and belt inspections. Diagnostic Procedures: Detailed troubleshooting guides, diagnostic trouble codes (DTCs) interpretation (for OBD-I systems), and step-by-step diagnostic strategies for various systems. Repair And Overhaul: Step-by-step instructions for component removal, installation, repair, and complete overhaul of major vehicle systems (engine, transmission, suspension, etc.). Torque Specifications: Precise torque values for all critical fasteners across engine, chassis, and body components, ensuring proper assembly and safety. Special Tools: Identification and usage guidelines for specialized tools required for specific repair and maintenance procedures. Wiring Diagrams: Comprehensive and color-coded wiring diagrams for all electrical circuits, aiding in troubleshooting and repair of electrical faults. Technical Depth Depth: Factory-level detail, suitable for professional technicians and advanced DIY enthusiasts. Covers diagnostics, repair, and specification data for all major systems. 📊 Manual Specifications File Format Format: Web-based software accessible via browser. Licensed for one year. Print Quality Quality: Digital, providing clear and zoomable text and diagrams. (Note: Printing functionality depends on user setup). Binding Type Type: N/A (Digital Format) Paper Type Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Code: GA16DE Engine Type: Inline 4-cylinder, DOHC Displacement: 1.6 Liters (1596 cc) Performance Horsepower: Approximately 113 hp @ 6000 RPM (US Spec) Torque: Approximately 106 lb-ft @ 4000 RPM (US Spec) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Engine Management ECM: OBD-I compliant engine control module. 🔧 Transmission Standard Type: 5-speed Manual Transmission Optional Type: 4-speed Automatic Transmission Features Fluid Type: Manual: API GL-4 SAE 75W-90 or 80W-90. Automatic: Nissan Matic D (Dexron II equivalent). 📐 Dimensions Exterior Wheelbase: Approximately 97.4 inches (2474 mm) Length: Approximately 167.7 inches (4257 mm) Width: Approximately 66.7 inches (1694 mm) Height: Approximately 51.2 inches (1300 mm) Weights Curb Weight: Approximately 2300-2400 lbs (1043-1089 kg), depending on trim and transmission 🛡️ Safety Features Ratings NHTSA Driver Side Impact: Not explicitly rated by NHTSA for this specific model year in current databases, typical for vehicles of this era. Active Features Braking System: Front Ventilated Discs, Rear Drums standard. Optional Anti-lock Braking System (ABS) on select trims. Passive Features Airbags: Driver's side airbag not standard on all trims for 1991, check specific vehicle options. Seatbelts: Three-point front seat belts, lap belts in rear. 💡 Technology Features Infotainment Audio System: Factory original radio with AM/FM and cassette player. Speaker configuration typically 4-speaker system. Driver Assistance ABS: Anti-lock Braking System (ABS) was an optional feature, typically on higher trims. Connectivity Connectivity Features: No modern connectivity features like Bluetooth or USB ports. Factory analog systems. 🔧 Maintenance Service Intervals Oil Change: Every 3,000-5,000 miles or 3-6 months, depending on driving conditions. Refer to manual for specific interval. Transmission Fluid Change: Manual: Inspect periodically. Automatic: Every 30,000-60,000 miles. Consult manual for precise interval. Coolant Flush: Every 24,000-30,000 miles or 24 months....
Targets DIY mechanics and independent repair shops seeking accurate, factory-sourced information for the 1991 Nissan NX, offering a convenient digital alternative to outdated printed manuals.
Competitive Analysis
Comparison:
Provides licensed OE (Original Equipment) data, differentiating it from generic third-party repair guides. Offers a more accessible and potentially cost-effective solution compared to traditional printed manuals.
Key Features
Features:
Officially licensed, factory-derived information, online accessibility, comprehensive system coverage, step-by-step repair procedures, detailed diagrams, and diagnostic information.
Value Proposition
Proposition:
Empowers vehicle owners to perform maintenance and repairs themselves, saving on labor costs, with a user-friendly digital interface compatible with multiple devices.
📋 Manual Details
Coverage Areas
Engine:
Yes
Transmission:
Yes
Brakes:
Yes
Suspension:
Yes
Steering:
Yes
Electrical System:
Yes
HVAC:
Yes
Body And Chassis:
Yes
Interior:
Yes
Page Count
Estimated Page Count:
Comprehensive (Digital Content)
Manual Type
Type:
Official Service and Repair Manual Software
Language
Language:
English
Format
Format:
Digital Software (Online Access)
📖 Manual Coverage
Systems Covered
Powertrain:
Full coverage of engine mechanicals, fuel system, ignition system, cooling system, lubrication system, exhaust system, and engine management (ECU).
Drivetrain:
Covers manual and automatic transmissions, clutch system, drive axles, differentials, and transfer case (if applicable).
Chassis And Suspension:
Detailed information on front and rear suspension components, shock absorbers, springs, control arms, bushings, wheel bearings, and alignment procedures.
Steering And Brakes:
Comprehensive data on steering rack, power steering system, brake hydraulic system, ABS (if equipped), brake pads, rotors, calipers, master cylinder, and bleeding procedures.
Electrical And Electronics:
In-depth electrical schematics, wiring diagrams, fuse box layouts, component testing, diagnosis of starter, alternator, battery, lighting, gauges, and body control modules.
HVAC:
Covers air conditioning system operation, refrigerant handling, heater core, blower motor, climate control panel, and diagnostic procedures.
Body And Interior:
Information on body panel repair, doors, windows, locks, seats, dashboard assembly, trim removal, and interior component replacement.
Procedures Included
Scheduled Maintenance:
Covers routine maintenance tasks such as oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, and belt inspections.
Diagnostic Procedures:
Detailed troubleshooting guides, diagnostic trouble codes (DTCs) interpretation (for OBD-I systems), and step-by-step diagnostic strategies for various systems.
Repair And Overhaul:
Step-by-step instructions for component removal, installation, repair, and complete overhaul of major vehicle systems (engine, transmission, suspension, etc.).
Torque Specifications:
Precise torque values for all critical fasteners across engine, chassis, and body components, ensuring proper assembly and safety.
Special Tools:
Identification and usage guidelines for specialized tools required for specific repair and maintenance procedures.
Wiring Diagrams:
Comprehensive and color-coded wiring diagrams for all electrical circuits, aiding in troubleshooting and repair of electrical faults.
Technical Depth
Depth:
Factory-level detail, suitable for professional technicians and advanced DIY enthusiasts. Covers diagnostics, repair, and specification data for all major systems.
📊 Manual Specifications
File Format
Format:
Web-based software accessible via browser. Licensed for one year.
Print Quality
Quality:
Digital, providing clear and zoomable text and diagrams. (Note: Printing functionality depends on user setup).
Binding Type
Type:
N/A (Digital Format)
Paper Type
Type:
N/A (Digital Format)
⚙️ Engine Specifications
Primary Engine
Engine Code:
GA16DE
Engine Type:
Inline 4-cylinder, DOHC
Displacement:
1.6 Liters (1596 cc)
Performance
Horsepower:
Approximately 113 hp @ 6000 RPM (US Spec)
Torque:
Approximately 106 lb-ft @ 4000 RPM (US Spec)
Fuel System
Fuel Delivery:
Electronic Fuel Injection (EFI)
Engine Management
ECM:
OBD-I compliant engine control module.
🔧 Transmission
Standard
Type:
5-speed Manual Transmission
Optional
Type:
4-speed Automatic Transmission
Features
Fluid Type:
Manual: API GL-4 SAE 75W-90 or 80W-90. Automatic: Nissan Matic D (Dexron II equivalent).
📐 Dimensions
Exterior
Wheelbase:
Approximately 97.4 inches (2474 mm)
Length:
Approximately 167.7 inches (4257 mm)
Width:
Approximately 66.7 inches (1694 mm)
Height:
Approximately 51.2 inches (1300 mm)
Weights
Curb Weight:
Approximately 2300-2400 lbs (1043-1089 kg), depending on trim and transmission
🛡️ Safety Features
Ratings
NHTSA Driver Side Impact:
Not explicitly rated by NHTSA for this specific model year in current databases, typical for vehicles of this era.
Active Features
Braking System:
Front Ventilated Discs, Rear Drums standard. Optional Anti-lock Braking System (ABS) on select trims.
Passive Features
Airbags:
Driver's side airbag not standard on all trims for 1991, check specific vehicle options.
Seatbelts:
Three-point front seat belts, lap belts in rear.
💡 Technology Features
Infotainment
Audio System:
Factory original radio with AM/FM and cassette player. Speaker configuration typically 4-speaker system.
Driver Assistance
ABS:
Anti-lock Braking System (ABS) was an optional feature, typically on higher trims.
Connectivity
Connectivity Features:
No modern connectivity features like Bluetooth or USB ports. Factory analog systems.
🔧 Maintenance
Service Intervals
Oil Change:
Every 3,000-5,000 miles or 3-6 months, depending on driving conditions. Refer to manual for specific interval.
Transmission Fluid Change:
Manual: Inspect periodically. Automatic: Every 30,000-60,000 miles. Consult manual for precise interval.
Coolant Flush:
Every 24,000-30,000 miles or 24 months.
Spark Plugs:
Platinum-tipped spark plugs (e.g., NGK PFR6A-11) typically have longer service intervals, check manual for specific recommendation.
Fluid Specifications
Engine Oil:
API SG, SAE 5W-30 or 10W-30 (check owner's manual for climate suitability).
Coolant:
Nissan Genuine Super Long Life Coolant or equivalent Ethylene Glycol based coolant with corrosion inhibitors.
Brake Fluid:
DOT 3 or DOT 4 brake fluid.
Known Issues
Engine Mounts:
Worn engine mounts can lead to vibration and noise.
Power Window Motors:
Failure of power window regulators and motors is a common issue in older vehicles.
Exhaust System:
Corrosion and leaks in the exhaust system, particularly the catalytic converter and muffler, can occur over time.
Suspension Components:
Worn ball joints, tie rod ends, and bushings can affect steering and ride quality.
📚 Vehicle History
Brand Heritage
Heritage:
Nissan's heritage includes a long line of reliable and sporty compact vehicles, building on its Japanese engineering expertise.
Model Evolution
Evolution:
The 1991 Nissan NX marked the introduction of the third generation of Nissan's compact sporty coupe, following the Pulsar NX (N13 generation). It featured a more aerodynamic design and improved performance options.
Production
Production Period:
1991-1996 (B13 generation)
Production Location
Location:
Primarily manufactured in Japan.
🏆 Awards & Recognition
Recognitions
Awards:
Specific awards for the 1991 NX are not widely documented, but Nissan generally received recognition for reliability and value in the compact car segment during this era.
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