Front suspension (MacPherson struts), rear suspension (Torsion beam or independent), control arms, springs, shock absorbers, bushings, alignment specifications
Steering:
Power steering system (if equipped), steering rack, tie rods, steering column, wheel alignment
Door hinge adjustment, panel alignment, trim piece replacement, glass replacement (windshield, side glass)
HVAC System Service:
Heater core replacement, AC compressor replacement, refrigerant system evacuation and recharge, blower motor replacement
Wiring Diagrams:
Complete electrical system wiring diagrams for various circuits
Technical Depth
Depth:
Comprehensive, from basic maintenance to full engine and transmission rebuilds, including diagnostic procedures.
📊 Manual Specifications
File Format
Format Details:
Digital software; compatibility with various operating systems may vary. Searchable text is likely.
Print Quality
Printability:
Designed for digital viewing, printable pages depend on software features. High-resolution images and diagrams expected.
Binding Type
Binding:
N/A (Digital Software)
Paper Type
Paper Type:
N/A (Digital Software)
⚙️ Engine Specifications
Primary Engine
Engine Code Gasoline 1.5L:
4G15
Engine Displacement 1.5L:
1468 cc (89.6 cu. in.)
Engine Configuration 1.5L:
Inline 4-cylinder, SOHC
Bore Stroke 1.5L:
75.5 mm x 82.6 mm
Compression Ratio 1.5L:
9.4:1
Horsepower 1.5L:
Approx. 87 hp @ 5500 rpm
Torque 1.5L:
Approx. 83 lb-ft @ 3500 rpm
Optional Engine
Engine Code Gasoline 1.6L:
4G16
Engine Displacement 1.6L:
1590 cc (97.0 cu. in.)
Engine Configuration 1.6L:
Inline 4-cylinder, SOHC
Horsepower 1.6L:
Approx. 92 hp @ 5500 rpm (for standard 1.6L)
Torque 1.6L:
Approx. 97 lb-ft @ 3500 rpm (for standard 1.6L)
Engine Code Gasoline 1.8L Gts:
4G18 (Possibly DOHC 16V)
Engine Displacement 1.8L Gts:
1830 cc (111.7 cu. in.)
Engine Configuration 1.8L Gts:
Inline 4-cylinder, DOHC, 16-valve
Horsepower 1.8L Gts:
Approx. 124 hp @ 6000 rpm (GTS model)
Torque 1.8L Gts:
Approx. 127 lb-ft @ 4500 rpm (GTS model)
Fuel System
Fuel Delivery:
Multi-Point Fuel Injection (MPI)
Fuel Type:
Unleaded gasoline
Fuel Tank Capacity:
Approx. 11.9 gallons (45 Liters)
🔧 Transmission
Standard
Type Standard:
5-speed manual transmission
Optional
Type Optional:
3-speed or 4-speed automatic transmission
Features
Drivetrain:
Front-Wheel Drive (FWD)
Fluid Type Automatic
Automatic Transmission Fluid:
MITSUBISHI DIA QUEEN ATF-J2 or equivalent (Check manual for exact specification)
Fluid Type Manual
Manual Transmission Fluid:
API GL-4, SAE 75W-90 or 80W-90 gear oil (Check manual for exact specification)
📐 Dimensions
Exterior
Length:
Approx. 160.2 - 164.8 inches (4070 - 4185 mm) depending on body style
Width:
Approx. 65.2 - 65.6 inches (1655 - 1665 mm)
Height:
Approx. 53.7 - 54.9 inches (1365 - 1395 mm) depending on body style
Wheelbase:
Approx. 97.1 inches (2465 mm)
Front Track:
Approx. 56.1 inches (1425 mm)
Rear Track:
Approx. 55.5 inches (1410 mm)
Weights
Curb Weight:
Approx. 2070 - 2350 lbs (940 - 1065 kg) depending on model and equipment
Gross Vehicle Weight Rating:
Varies by model, typically around 3000-3300 lbs
🛡️ Safety Features
Ratings
NHTSA Crash Test Ratings:
Information for 1990 models is generally not as detailed or standardized as modern vehicles. Expect basic frontal impact performance.
Active Features
ABS:
Optional on some models, particularly higher trims or performance variants.
Passive Features
Seat Belts:
Three-point front seat belts, lap belts in rear. Manual shoulder belt retractors likely.
Airbags:
Driver airbag was not standard and likely not widely available or standard in 1990 for this class of vehicle. Passenger airbag was extremely rare.
💡 Technology Features
Infotainment
Audio System:
Factory AM/FM radio with cassette player, often with 2-4 speakers. Basic analog tuning.
Instrument Cluster:
Analog gauges for speedometer, tachometer (on some trims), fuel, coolant temperature, oil pressure (warning light). Odometer and trip meter.
Driver Assistance
Cruise Control:
Optional on higher trim levels.
Connectivity
OBD Interface:
OBD-I (On-Board Diagnostics, first generation) connector. Manual will detail diagnostic port locations and basic code retrieval procedures.
🔧 Maintenance
Service Intervals General
Oil Change Interval:
Every 3,750 - 5,000 miles (6,000 - 8,000 km) or 3-6 months, depending on driving conditions. Refer to manual for precise intervals.
Engine Oil Filter Replacement:
Replace with every oil change.
Air Filter Replacement:
Every 15,000 - 30,000 miles (24,000 - 48,000 km) or as needed based on inspection.
Spark Plug Replacement:
Every 30,000 miles (48,000 km). Refer to manual for specific plug type and gap.
Timing Belt Replacement:
Crucial for 4G15/4G16/4G18 engines. Replacement interval typically every 60,000 miles (96,000 km) or 4-5 years. Failure can cause severe engine damage (interference engine).
Fluid Specifications
Engine Oil Viscosity:
10W-30 or 10W-40 API SG or higher (Check manual for precise specification and ambient temperature ranges).
Coolant Type:
Ethylene glycol-based antifreeze/coolant, typically a 50/50 mix with distilled water. Green color common for this era. Check manual for specific Mopar/Chrysler equivalent if applicable.
Brake Fluid Type:
DOT 3 or DOT 4, as specified in the manual.
Known Issues
Engine Mounts:
Wear and tear leading to vibration and clunking noises.
Timing Belt Tensioner:
Potential failure on older models, leading to timing belt issues.
Automatic Transmission Slipping:
Common with high mileage or lack of fluid maintenance.
Cv Joint Boots:
Degradation and tearing leading to joint failure.
Exhaust System Corrosion:
Rusting and failure of muffler, pipes, and catalytic converter, especially in areas with road salt.
Electrical Connector Corrosion:
Corroded terminals in fuse box, relays, and connectors can cause intermittent electrical issues.
Radiator And Hoses:
Aging rubber components prone to leaks and failure.
📚 Vehicle History
Brand Heritage
Mitsubishi Motors:
Founded in 1970, Mitsubishi Motors Corporation is the automotive division of the Japanese conglomerate Mitsubishi Group. Known for its engineering, particularly in four-wheel drive systems and resilient powertrains.
Model Evolution
Mirage Generation:
This manual covers the third generation of the Mitsubishi Mirage (chassis codes A150/A160, E10/E20, F10/F20, F30/F40/F50, D10/D20/D30). The 1990 model falls into the latter part of this generation, which spanned from 1987 to 1991.
Third Generation Updates:
The third generation saw significant styling updates, improved aerodynamics, and a shift towards more refined interiors. Front-wheel drive became standard across most of the range.
Production
Manufacturing Locations:
Primary production was in Japan. Variants were also assembled in other countries.
🏆 Awards & Recognition
Recognitions
Automotive Journal Awards:
While specific awards for the 1990 model year are hard to pinpoint, the Mirage was generally well-regarded for its value, fuel efficiency, and nimble handling in the subcompact segment during its generation.
Ratings
Consumer Reports Historical Ratings:
Historical data suggests a mixed bag for reliability for this era of Mitsubishi, with some components being robust while others required attention. The manual is key to addressing common wear items.
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