Generation:
First Generation (D21A, D22A, D27A, D31A, D32A, D38A, D33A), Second Generation (D32A, D38A, D33A)
Chassis Codes:
D21A, D22A, D27A, D31A, D32A, D38A, D33A
Segment:
Compact Sports Coupe / Convertible
Target Audience:
Enthusiasts, DIY mechanics, owners seeking in-depth repair and maintenance knowledge.
Key Competitors:
Dodge Stealth/Mitsubishi 3000GT (platform sharing), Toyota Celica, Honda Prelude, Mazda RX-7, Nissan 240SX, Ford Probe.
Unique Selling Points:
Available All-Wheel Drive (AWD) and turbocharged variants (GSX, GT), distinctive styling, Mitsubishi's performance heritage.
Model Years Covered:
1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999
Body Styles Covered:
Coupe, Convertible (Spyder)
Estimated Page Count:
Extensive, often exceeding 1000 pages when considering all engine variants and model years.
Type:
Workshop Repair Manual / Service Manual
Format:
Instant Download (Digital PDF)
Engine Systems:
Engine mechanical, engine control systems (ECU/ECM), fuel injection, ignition system, cooling system, lubrication system, exhaust system, emissions control.
Drivetrain Systems:
Manual transmission, automatic transmission, clutch, driveshafts, axles, differentials, all-wheel drive (AWD) systems (e.g., Viscous Coupling Unit - VCU).
Suspension And Steering:
Front and rear suspension components, shock absorbers, springs, control arms, bushings, steering rack, power steering system, wheel alignment specifications.
Braking System:
Front and rear disc brakes, ABS system (if equipped), brake fluid specifications, master cylinder, brake calipers, brake lines, parking brake.
Electrical System:
Battery, charging system (alternator), starting system, lighting systems (headlights, taillights, interior), fuses, relays, wiring diagrams, diagnostic trouble codes (DTCs).
Body And Interior:
Body panels, doors, windows, seats, dashboard, trim, convertible top mechanism (Spyder), HVAC system (heating, ventilation, air conditioning), sound system.
Maintenance Procedures:
Oil changes, filter replacements, spark plug replacement, coolant flushes, brake pad replacement, belt tensioning, tire rotation, cabin air filter replacement.
Repair Procedures:
Engine tune-ups, component replacement (e.g., alternator, starter, water pump), transmission overhaul, suspension component replacement, brake caliper rebuilding, minor body repairs.
Troubleshooting Guides:
Diagnostic flowcharts for common drivability issues, electrical faults, starting problems, braking system malfunctions.
Technical Specifications:
Torque specifications for critical fasteners, engine timing, valve clearances, fluid capacities, electrical system diagnostics, wiring schematics.
Depth:
Comprehensive. Covers basic maintenance to complex engine and transmission overhauls, including electrical diagnostics and bodywork.
Engine Codes And Displacement:
4G63 (2.0L DOHC Turbocharged I4), 6G72 (3.0L SOHC V6), 6G72 DOHC (3.0L V6 MIVEC - later models/GT).
Hp And Torque Gs:
Approx. 140-150 hp, 130-140 lb-ft torque (Naturally Aspirated 4G63).
Hp And Torque Gt:
Approx. 170-180 hp, 180-190 lb-ft torque (Naturally Aspirated 6G72 V6).
Hp And Torque Gsx:
Approx. 200-210 hp, 203 lb-ft torque (Turbocharged 4G63).
Redline:
Varies by engine; typically around 6500-7000 RPM for 4-cyl, 6800-7200 RPM for V6.
Injection Type:
Multi-point fuel injection (MPI), Electronic Fuel Injection (EFI).
Fuel Type:
Unleaded Gasoline (91 Octane Recommended for Turbocharged models).
Standard Transmission Type:
5-speed Manual Transmission.
Optional Transmission Type:
4-speed Automatic Transmission (F4AXX series).
All Wheel Drive:
Available on GSX models, featuring Viscous Coupling Unit (VCU) and a transfer case for power distribution.
Clutch Type:
Hydraulically actuated dry single-plate clutch.
Wheelbase:
Approx. 100.4 inches (2550 mm) for both generations.
Length:
Approx. 177.7 inches (4513 mm) for Coupe, 177.2 inches (4500 mm) for Spyder.
Width:
Approx. 69.7 inches (1770 mm).
Height:
Approx. 51.2 inches (1300 mm) for Coupe, 51.8 inches (1315 mm) for Spyder.
Curb Weight:
Ranges from approx. 2800 lbs (1270 kg) for base models to over 3300 lbs (1500 kg) for GSX models.
NHTSA Ratings:
Varied by year and specific test. Generally considered safe for its era, but lacks modern advanced safety features.
ABS:
Anti-lock Braking System available on higher trims and as an option.
Airbags:
Driver and passenger airbags standard from mid-90s onwards, often optional on earlier models.
Seatbelts:
Three-point seatbelts, with pretensioners on later models.
Oil Change Interval:
Every 3,000-5,000 miles or 3-6 months, depending on driving conditions and oil type.
Timing Belt Replacement:
Critical for 4G63 engine. Recommended every 60,000 miles or 5 years. Failure can cause catastrophic engine damage.
Spark Plug Replacement:
Every 30,000-60,000 miles depending on plug type (copper vs. platinum/iridium).
Engine Oil Spec:
API SG or higher, SAE 5W-30 or 10W-30 (check owner's manual for specific viscosity based on temperature).
Coolant Spec:
Ethylene glycol-based coolant. Consult manual for specific type (e.g., Mitsubishi DiaQueen Super Long Life Coolant or equivalent).
Transmission Fluid Spec Auto:
Mitsubishi DiaQueen ATF-SPII or equivalent Dexron II/III compatible fluid.
Transmission Fluid Spec Manual:
API GL-4 SAE 75W-90 or SAE 75W-85 gear oil.
Turbocharged Models:
Cracked cylinder heads (on some early 4G63 engines), turbocharger wear, boost leaks, fuel injector issues.
All Models:
Corrosion (especially wheel wells and rocker panels), suspension bushing wear, window regulator failures, convertible top mechanism issues (Spyder), catalytic converter failure, O2 sensor issues.
V6 Engine Specifics:
Oil leaks from valve covers and rear main seal, timing belt issues on non-interference engines (though many V6s are interference), distributor issues.
Motorsport Connection:
Strong ties to rallying and touring car racing, particularly through the success of the 4G63 engine in Mitsubishi's Lancer Evolution series.
Generation 1 Overview:
Launched in 1990, sharing platform elements with the Dodge Stealth/Mitsubishi 3000GT. Known for its striking styling and sporty demeanor.
Generation 2 Overview:
Introduced in 1995 with a complete redesign. Retained the coupe and convertible body styles, with enhanced performance and updated styling.
Manufacturing Location:
Normal, Illinois, USA (Diamond-Star Motors Plant).
Production Period:
1990 - 1999
