Target Audience:
1991 Nissan Sentra owners, DIY mechanics, independent repair shops
Comparison To Print:
Offers greater convenience, searchability, and is potentially more cost-effective than outdated printed manuals
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
Systems Covered Overview:
Comprehensive service, repair, and maintenance for the entire vehicle
Estimated Page Count:
Refer to official RepairSurge documentation for exact count; typically 1000+ pages for a full service manual
Manual Type:
Digital Service & Repair Manual (Software)
Format:
Online Access via Web Browser (PC, Laptop, Smartphone, Tablet)
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
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
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
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 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)
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
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:
Nissan Genuine Matic J (or equivalent DEXRON-II/III compatible ATF)
Engine Wear:
Potential for oil consumption in higher mileage engines; timing belt inspection/replacement is critical (interference engine).
Suspension Wear:
Worn ball joints, tie rod ends, and strut mounts are common due to age and mileage.
Electrical Gremlins:
Corroded ground points and failing electronic components can lead to intermittent issues.
Rust:
Body rust, particularly in wheel wells, rocker panels, and around windows, is a common concern for vehicles of this age, especially in corrosive climates.
Nissan Compact Car Legacy:
Nissan has a long history of producing reliable and economical compact cars, building on models like the Datsun 510 and Pulsar.
Sentra B13 Generation:
The 1991 Sentra belongs to the third generation (B13), introduced for the 1991 model year. It represented a significant redesign with sleeker styling and improved aerodynamics.
Performance Variants:
This generation also saw the introduction of performance-oriented variants like the Sentra SE-R, though this manual primarily covers standard models.
Production Location:
Primarily manufactured in Japan and Mexico.
