Segment:
Compact Sports Coupe/Performance Car
Era:
Mid-to-late 1980s performance import segment
Key Competitors:
Toyota Celica, Nissan 200SX/Silvia, Mazda RX-7, Mitsubishi Starion
Usp:
Rear-wheel drive, often turbocharged engine, sporty styling, affordable performance alternative
Performance Focus:
Emphasis on sporty driving dynamics and available turbocharged power
Styling:
Sleek, aerodynamic coupe design with pop-up headlights
Target Audience:
DIY mechanics, professional technicians, enthusiasts seeking in-depth knowledge
Value Proposition:
Enables owners to perform maintenance, diagnose issues, and conduct repairs efficiently, saving on labor costs and preserving vehicle integrity
Engine Mechanical:
Engine removal/installation, cylinder head, block, crankshaft, pistons, connecting rods, camshafts, valve train, timing systems, lubrication system, cooling system
Engine Performance:
Fuel injection system (EFI), ignition system, emissions control systems, turbocharger system diagnostics and repair
Transmission Manual:
Manual transmission (F5M21) overhaul, clutch system, drive shafts, differential
Transmission Automatic:
Automatic transmission (AW03-72LE) overhaul, torque converter, gear shifting mechanisms
Brakes:
Front disc brakes, rear drum brakes, parking brake system, hydraulic system (master cylinder, brake lines, calipers/wheel cylinders), ABS system (if equipped)
Suspension:
Front independent suspension (MacPherson struts), rear independent suspension (multi-link), shock absorbers, springs, control arms, bushings, steering knuckle
Steering:
Rack and pinion steering system, power steering pump, steering column, steering linkage
Electrical System:
Battery, charging system (alternator), starting system (starter motor), ignition system, lighting system (headlights, taillights, interior lights), horn, wipers, power windows, power locks, instrument cluster, audio system
Fuel System:
Fuel tank, fuel pump, fuel filter, fuel lines, fuel injectors, throttle body, evaporative emissions control system (EVAP)
HVAC:
Air conditioning system (compressor, condenser, evaporator, refrigerant lines), heater core, blower motor, climate controls
Body And Interior:
Body panel removal/installation, door mechanisms, hood, trunk lid, bumpers, interior trim panels, seats, carpeting
Maintenance:
Oil changes, filter replacements, spark plug replacement, fluid checks and top-offs, belt inspections and replacement, brake pad/shoe replacement, tire rotation
Troubleshooting:
Diagnostic procedures for common problems, electrical circuit testing, engine performance issues, transmission shifting problems, brake system malfunctions
Repair:
Component overhaul, system repairs, part replacement (e.g., starter, alternator, fuel pump, water pump, radiator, brake calipers)
Installation:
Component installation, accessory installation, body trim component installation
Diagnostics Charts:
Diagnostic flowcharts for various systems and symptoms
Depth:
Comprehensive, covering everything from routine maintenance to complete engine and transmission rebuilds, including detailed electrical schematics and diagnostic procedures
Engine Code:
4G63 (Mitsubishi Astron/Sirius family)
Engine Type:
Inline 4-Cylinder, Turbocharged and Intercooled SOHC/DOHC
Displacement:
2.0 Liters (1997 cc)
Bore X Stroke:
85.0 mm x 88.0 mm
Compression Ratio:
8.5:1 (Turbocharged models)
Horsepower Naturally Aspirated:
Approximately 116 hp @ 5000 rpm (for specific non-turbo variants, less common)
Horsepower Turbocharged:
Approximately 170-175 hp @ 5000 rpm (depending on year and specific tuning)
Torque Turbocharged:
Approximately 185-195 lb-ft @ 2500 rpm (depending on year and specific tuning)
Fuel Delivery:
Electronic Fuel Injection (EFI), often with turbocharger specific components
Fuel Type:
Unleaded Gasoline (87 octane recommended, 91 octane for optimal turbo performance)
Fuel Tank Capacity:
Approx. 16.9 gallons (64 liters)
Oil Type:
API SG or higher, SAE 10W-30 recommended
Oil Capacity:
Approx. 4.5 quarts (4.3 liters) with filter change
Spark Plugs:
NGK BP5ES-11 or equivalent (check manual for specific gap)
Timing Belt Interval:
Every 60,000 miles or 5 years (critical for interference engine)
Transmission Type:
5-Speed Manual (F5M21)
Transmission Type:
3-Speed Automatic (AW03-72LE)
Clutch Type:
Hydraulically Actuated Single Dry Plate
Manual Transmission Fluid:
API GL-4 SAE 75W-90 Gear Oil
Automatic Transmission Fluid:
Dexron III/MERCON compatible ATF
Manual Transmission Fluid Capacity:
Approx. 2.0 quarts (1.9 liters)
Automatic Transmission Fluid Capacity:
Approx. 3.0 quarts (2.8 liters) for change, 7.0 quarts (6.6 liters) for overhaul
Length:
Approx. 172.0 inches (4369 mm)
Width:
Approx. 66.5 inches (1689 mm)
Height:
Approx. 50.8 inches (1290 mm)
Wheelbase:
Approx. 98.6 inches (2504 mm)
Curb Weight:
Approx. 2750 - 2900 lbs (1247 - 1315 kg) depending on options
Gross Vehicle Weight Rating Gvwr:
Approx. 3700 lbs (1678 kg)
Wheel Size:
14-inch or 15-inch alloy or steel wheels
Tire Size Standard:
195/60R14 (example, check manual for variations)
Tire Size Optional:
205/55R15 (example, check manual for variations)
Bolt Pattern:
4x114.3 mm (4x4.5 inches)
Oil Change Interval:
Every 3,750 miles or 6 months, whichever comes first
Tire Rotation Interval:
Every 7,500 miles
Brake Fluid Flush Interval:
Every 24,000 miles or 2 years
Coolant Type:
Ethylene glycol-based antifreeze, 50/50 mix with distilled water
Power Steering Fluid:
Dexron III/MERCON compatible ATF or specific power steering fluid
Turbocharger Reliability:
Can be prone to issues if not properly maintained, especially oil feed lines and seals. Overheating can be a concern.
Electronics:
Older wiring harnesses and components can degrade, leading to intermittent electrical issues (e.g., fuel pump relay, interior lighting).
Fuel System:
Clogged fuel injectors, aging fuel pumps, and vacuum leaks can affect performance.
Suspension Bushings:
Rubber bushings in the suspension and steering can wear out, leading to clunks and imprecise handling.
Timing Belt:
Critical to replace on schedule; failure can cause catastrophic engine damage due to the interference design.
Parent Company:
Chrysler Corporation (USA)
Development Basis:
Licensed and rebadged Mitsubishi Starion/Chrysler Cordia platform
Introduction Year:
1984 (as Conquest)
Nameplate History:
The Conquest was Chrysler's attempt to capture a share of the growing sporty import market, leveraging Mitsubishi's engineering.
Manufacturing Location:
Japan (by Mitsubishi Motors)
Production Years Covered By Manual:
1986-1989
Model Changes Between Years:
Minor updates to styling, features, and potentially turbocharger tuning or interior appointments. Manual covers specific variations.