🏷️ Basic Information Identification Make: Nissan Model: Sentra Year: 1991 Codes Chassis Code: B13 Platform: Nissan B platform 👋 Introduction Market Position Target Audience: 1991 Nissan Sentra owners, DIY mechanics, independent repair shops Competitive Analysis Comparison To Print: Offers greater convenience, searchability, and is potentially more cost-effective than outdated printed manuals Key Features Licensing And Accuracy: Officially licensed and derived from OE (Original Equipment) materials for guaranteed accuracy Accessibility: Accessible from any internet-connected device with a web browser Subscription Model: Provides one year of access with options for renewal discounts 📋 Manual Details Coverage Areas Systems Covered Overview: Comprehensive service, repair, and maintenance for the entire vehicle Page Count Estimated Page Count: Refer to official RepairSurge documentation for exact count; typically 1000+ pages for a full service manual Manual Type Manual Type: Digital Service & Repair Manual (Software) Language Language: English Format Format: Online Access via Web Browser (PC, Laptop, Smartphone, Tablet) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, cylinder head, block, pistons, crankshaft, camshaft, timing system, lubrication, cooling Engine Performance: Fuel injection, ignition system, emission controls, engine diagnostics Transmission Manual: Clutch, gearbox, shift mechanisms, lubrication Transmission Automatic: Torque converter, hydraulic control, planetary gears, valve body, lubrication Drivetrain: Front-wheel drive, drive shafts, CV joints, differentials, transaxle Suspension: Front and rear suspension components, struts, shock absorbers, control arms, bushings, springs Steering: Steering gear, power steering system, steering column, tie rods, linkages Brakes: Front and rear brakes (disc/drum), hydraulic system, master cylinder, brake lines, parking brake Electrical System: Battery, charging system (alternator), starting system (starter), lighting, instrumentation, fuses, relays HVAC: Heating, ventilation, and air conditioning systems, refrigerant, controls, components Body And Frame: Body panels, doors, windows, interior trim, chassis components, corrosion protection Wiring Diagrams: Detailed electrical wiring schematics for all systems Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks, tire rotation, tune-ups Troubleshooting: Diagnostic procedures for common and uncommon faults across all systems Repair Procedures: Step-by-step instructions for component removal, installation, and repair Component Overhaul: Instructions for rebuilding major components like engines, transmissions, and brake assemblies Specifications Data: Torque specifications, clearances, fluid capacities, electrical data Safety Precautions: Guidelines for safe vehicle operation and repair procedures Technical Depth Depth Of Coverage: Factory-level detail, suitable for professional technicians and advanced DIY enthusiasts Diagnostic Capabilities: Includes diagnostic flowcharts and specific test procedures for identifying faults 📊 Manual Specifications File Format Digital Format: Web-based platform, no downloadable file specified Print Quality Clarity And Detail: High-resolution, licensed OE (Original Equipment) data Binding Type Binding Type: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Code Ga16I: GA16i Engine Description Ga16I: 1.6L (1597 cc) Inline 4-cylinder, SOHC, 12-valve (2 valves per cylinder) Bore X Stroke Ga16I: 81.0 mm x 78.0 mm Compression Ratio Ga16I: 9.0:1 Horsepower Ga16I: 92 hp @ 5600 rpm (approximate, depending on market and specific tune) Torque Ga16I: 93 lb-ft @ 3200 rpm (approximate) Fuel System Fuel Delivery Ga16I: Multi-point Fuel Injection (MPFI) or Electronic Fuel Injection (EFI) depending on market variant Fuel Type: Unleaded Gasoline (Octane rating specified by manufacturer) 🔧 Transmission Standard Standard Transmission Type: 5-speed Manual Transmission Optional Optional Transmission Type: 3-speed Automatic Transmission (Model RE3F03A) Features Transaxle Design: Front-engine, front-wheel drive (FWD) transaxle configuration 📐 Dimensions Exterior Length: Approx. 167.7 inches (4257 mm) Width: Approx. 66.7 inches (1694 mm) Height: Approx. 53.5 inches (1359 mm) Wheelbase: Approx. 97.2 inches (2469 mm) Weights Curb Weight: Approx. 2300 - 2500 lbs (1043 - 1134 kg), depending on configuration 🛡️ Safety Features Ratings Safety Ratings Era: Information on specific NHTSA or IIHS ratings for this model year is limited; safety features were basic by modern standards. Active Features Active Safety Features: Standard braking system, optional Anti-lock Braking System (ABS) on some models/trims Passive Features Passive Safety Features: Seat belts (driver and passenger), reinforced body structure 💡 Technology Features Infotainment Infotainment System: Basic AM/FM radio with cassette player; optional CD player on some higher trims. Driver Assistance Driver Assistance Features: Limited to standard driver controls; no electronic driver assistance systems like cruise control (though it may be an option on higher trims) or ABS universally. Connectivity Connectivity Options: N/A (no provisions for modern connectivity like Bluetooth or USB) 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,750 miles (6,000 km) or 3 months (check manual for specific conditions) Air Filter Replacement: Inspect every 15,000 miles (24,000 km), replace as needed Spark Plug Replacement: Every 30,000 miles (48,000 km) for standard plugs, or as specified for platinum plugs Fluid Specifications Engine Oil Type: API SG or higher, SAE 5W-30 or 10W-30 (check owner's manual for seasonal recommendations) Engine Oil Capacity: Approx. 3.2 quarts (3.0 liters) with filter change Coolant Type: Nissan Genuine Super Long Life Coolant (or equivalent ethylene glycol-based antifreeze) Transmission Fluid Manual: API GL-4 SAE 75W-85 or 80W-90 gear oil Transmission Fluid Automatic:...