Target Audience:
DIY Enthusiasts, Independent Repair Shops, Hyundai Owners
Advantage:
Online accessibility, licensed OE data, cost-effectiveness compared to printed manuals and dealership services
Digital Convenience:
Instant access from any internet-enabled device (PC, laptop, smartphone, tablet)
Data Source:
Licensed information derived from OE (Original Equipment) materials by RepairSurge
Engine:
Engine Mechanical, Engine Lubrication, Cooling System, Fuel System, Emission Control System, Ignition System, Starting System, Charging System
Drivetrain:
Clutch, Manual Transmission, Automatic Transmission, Driveshafts, Axles
Brakes:
Brake System, Hydraulic System, Parking Brake, ABS (if applicable)
Suspension Steering:
Front Suspension, Rear Suspension, Steering System
Electrical:
Wiring Diagrams, Lighting System, Instruments and Gauges, Power Accessories, Cruise Control, Body Electrical Systems
HVAC:
Heating, Ventilation, and Air Conditioning (HVAC) System
Body:
Body and Frame, Exterior Trim, Interior Trim, Doors, Windows, Seats
Maintenance:
Scheduled Maintenance, Oil Changes, Filter Replacements, Fluid Checks and Replacements, Tune-Ups
Diagnostics:
Troubleshooting Charts, Diagnostic Procedures for All Systems, Component Testing
Repair:
Component Removal and Installation, Major Overhauls, Component Rebuilding
Depth:
Comprehensive Factory-Derived Information for DIY and Professional Technicians
Access Method:
Web Browser, Requires Internet Connection
Digital Quality:
High Resolution, Searchable Text, Printable Sections
Binding:
N/A (Digital Access)
Paper:
N/A (Digital Format)
Subscription Length:
1 Year Access (Renewable)
Engine Code Options:
G4CP (2.0L SOHC I4), G4CP-A (2.0L DOHC I4), G4CP-B (2.4L SOHC I4)
Horsepower 2.0L:
Approx. 108-120 hp (depending on configuration)
Torque 2.0L:
Approx. 120-135 lb-ft (depending on configuration)
Horsepower 2.4L:
Approx. 125 hp
Torque 2.4L:
Approx. 137 lb-ft
Induction:
Electronic Fuel Injection (EFI)
Spark Plugs:
Refer to manual for specific part numbers and gap settings (e.g., NGK BKR5ES-11, gap 0.044 inches)
Engine Oil Type:
API SG or SH, SAE 10W-30 (or 5W-30 in very cold climates)
Engine Oil Capacity:
Approx. 4.0 - 4.5 quarts (with filter) depending on engine
Transmission Type Standard:
5-Speed Manual Transmission
Transmission Type Optional:
4-Speed Automatic Transmission
Automatic Features:
Electronically controlled, Overdrive
Manual Transmission Fluid:
API GL-4, SAE 75W-90
Automatic Transmission Fluid:
Dexron III (or equivalent)
NHTSA Crash Test Results:
Specific ratings for 1991 models are not readily available in standardized formats as used today. Refer to manual for vehicle-specific safety features.
ABS:
Available on some models/trims
Airbags:
Driver-side airbag standard on most trims
Seat Belts:
Front and rear seat belts, front seat belt pretensioners
Oil Change Interval:
Every 3,750 miles or 6 months, whichever comes first
Air Filter Replacement:
Every 15,000 miles or 12 months
Spark Plug Replacement:
Every 30,000 miles
Timing Belt Replacement:
Every 60,000 miles or 4 years (critical for interference engines)
Coolant Type:
Ethylene Glycol based antifreeze, 50/50 mix with distilled water
Power Steering Fluid:
ATF Dexron III (or equivalent)
Engine Mounts:
Can wear out over time, leading to vibration and noise
Suspension Components:
Ball joints, tie rod ends, and bushings can wear, affecting steering and ride comfort
Electrical Connectors:
Corrosion or loose connections can cause intermittent issues, particularly in older vehicles
Exhaust System:
Rust and corrosion can lead to leaks or component failure
Hyundai History:
Hyundai Motor Company, founded in 1967, is a South Korean multinational automotive manufacturer. Known for producing affordable and reliable vehicles.
Sonata Generation:
First Generation (Y1) 1988-1993. The 1991 model year represents a refinement of the initial design.
Manufacturing Plant:
Ulsan, South Korea
Design Influence:
Early models were based on platform sharing with Mitsubishi models.
