Make:
Diamond-Star Motors (DSM)
Models Covered:
Chrysler Laser, Dodge/Eagle Talon, Mitsubishi Eclipse, Mitsubishi Galant
Years Covered:
1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999
Platform Association:
Chrysler J Platform (for Galant), Chrysler FB Platform (for Laser/Talon/Eclipse)
Market Position:
Targets owners and independent repair shops seeking comprehensive, factory-authorized repair information for a popular range of DSM vehicles. Positioned as a high-quality, complete resource for DIY enthusiasts.
Competitive Advantage:
Offers a consolidated and complete digital resource for multiple DSM models spanning a significant production era. Emphasizes completeness and accuracy compared to potentially incomplete or inferior aftermarket guides.
Key Features:
Complete coverage, official service information, high-quality PDF format, instant download, printable, detailed diagrams and illustrations, DIY repair focus.
Powertrain:
Engine mechanical (including disassembly, reassembly, repair, tuning), fuel system (carburetor rebuild/adjustments, fuel injection systems), lubrication system, cooling system, exhaust system, ignition system, starting system, charging system, emissions control systems.
Chassis:
Brakes (hydraulic, parking brake, ABS if applicable), steering system (power steering), suspension (front and rear, components, alignment), wheels, tires, axles (CV joints, U-joints).
Bodywork:
Body and frame repair, interior and exterior trim, doors, windows, glass, seats, HVAC (heating, ventilation, air conditioning) systems (often covered in detail in separate sections or supplements).
Electrical:
Wiring diagrams, battery, alternator, starter motor, lighting systems, power windows/locks, instrument cluster, body control modules, sensors, actuators, audio systems, diagnostic connectors and procedures.
Maintenance:
Periodic maintenance schedules, fluid type and capacity specifications (engine oil, coolant, brake fluid, transmission fluid, power steering fluid), lubrication points, filter replacement (oil, air, fuel), spark plug replacement, belt inspection and replacement.
Repair & Rebuild:
Detailed step-by-step repair procedures for all major mechanical and electrical components, including engine rebuilds, transmission overhauls, brake caliper replacement, suspension component replacement, electrical component diagnosis and repair, body panel repair.
Diagnostics & Troubleshooting:
Fault finding charts, diagnostic trouble codes (DTCs) if applicable to the era, common problems and their solutions, testing procedures for various components (sensors, solenoids, relays).
Technical Depth:
High. This manual provides factory-level technical information, including detailed diagrams, exploded views, tightening torques, service data, and complete repair procedures, suitable for DIY mechanics and professional technicians alike.
Primary Engine Dsm Eclipse Talon
Engine 1:
2.0L 4G63 SOHC (Naturally Aspirated)
Engine 1 Power:
Approx. 135-145 HP
Engine 2:
2.0L 4G63 DOHC Turbocharged (GSi, ESi-T, TSi, GSX, GST)
Engine 2 Power:
Approx. 195-210 HP (early models), increasing over generations
Engine 3:
1.8L 4G37 SOHC (Naturally Aspirated - base models)
Engine 3 Power:
Approx. 100-114 HP
Engine 1 Galant:
2.0L 4G63 SOHC (Naturally Aspirated)
Engine 1 Galant Power:
Approx. 130-140 HP
Engine 2 Galant:
2.5L 6G73 V6 SOHC (Naturally Aspirated - Galant VR-4/LS)
Engine 2 Galant Power:
Approx. 160-170 HP
Engine 3 Galant:
2.0L 4G63T DOHC Turbocharged (Galant VR-4)
Engine 3 Galant Power:
Approx. 200-240 HP
Fuel System Type:
Fuel Injection (MPI - Multi-Point Injection) for most models; Carbureted for some early base models. Turbocharged models utilize advanced fuel injection systems.
Performance Enhancements:
The 4G63 Turbocharged engine is highly sought after for its robust design and tuning potential, particularly in the Eclipse GSX and Talon TSi AWD variants.
Standard Transmission Dsm
Transmission Dsm Standard:
5-speed manual transmission (F5M33 for AWD, KM210/KM212 for FWD)
Optional Transmission Dsm
Transmission Dsm Optional:
4-speed automatic transmission (V4A51 or F4A33)
Standard Transmission Galant
Transmission Galant Standard:
5-speed manual transmission (F5M33 for AWD, KM210/KM212 for FWD)
Optional Transmission Galant
Transmission Galant Optional:
4-speed automatic transmission (V4A51)
All Wheel Drive:
Available on select performance models (e.g., Eclipse GSX, Talon TSi AWD, Galant VR-4) featuring advanced all-wheel-drive systems with viscous coupling or electronically controlled differentials.
Transmission Fluid Manual:
API GL-4 or GL-5 gear oil (e.g., 75W-90 or 80W-90, specific viscosity may vary by application and temperature)
Transmission Fluid Automatic:
ATF SP-III or equivalent (check manual for exact designation, crucial for longevity)
Exterior Dsm Eclipse Talon
Wheelbase Dsm:
Approx. 98.8 inches (2509 mm)
Length Dsm:
Approx. 175-180 inches (4445-4572 mm)
Width Dsm:
Approx. 69.1 inches (1755 mm)
Height Dsm:
Approx. 51.6-52.4 inches (1311-1331 mm)
Wheelbase Galant:
Approx. 103.7 inches (2634 mm)
Length Galant:
Approx. 183.9 inches (4671 mm)
Width Galant:
Approx. 69.3 inches (1760 mm)
Height Galant:
Approx. 56.1 inches (1425 mm)
Curb Weight:
Varies significantly by model and trim, typically ranging from 2,700 lbs (1225 kg) for base models to over 3,300 lbs (1500 kg) for AWD turbo models.
NHTSA Ratings:
Early models from this era often lacked comprehensive safety ratings or had varied results. Later models (mid-to-late 90s) saw improvements. Specific ratings should be researched for individual model years.
Active Safety:
Front disc brakes, rear disc brakes (standard on performance models, optional on others), Anti-lock Braking System (ABS) available on select higher trims and later model years.
Passive Safety:
Seat belts, reinforced chassis, energy-absorbing steering column. Airbags became more common in later years of this generation.
Infotainment Features:
Basic AM/FM radio with cassette player. Some higher trims offered premium sound systems or CD players. Speaker and antenna systems.
Driver Assistance Features:
Limited by modern standards. ABS was the primary advanced driver assistance feature, along with power steering and braking systems.
Connectivity Features:
N/A by modern standards. Vehicles of this era did not feature Bluetooth, USB, or integrated smartphone connectivity.
Oil Change Interval:
Typically every 3,000-5,000 miles (5,000-8,000 km) or 6 months, depending on driving conditions and oil type used. Refer to the manual for specific recommendations.
Timing Belt Interval:
Crucial for 4G63 and 6G73 engines. Recommended replacement interval is typically around 60,000 miles (96,000 km) or 4-5 years. Failure can cause catastrophic engine damage.
Engine Oil Spec:
SAE 5W-30 or 5W-40 for most engines, though 10W-30 may be specified for certain conditions. API Service SJ or higher is generally recommended. Consult the manual for exact specifications and capacities.
Coolant Spec:
Ethylene glycol based coolant (typically a 50/50 mix with distilled water). Specific colors or types (e.g., green, orange) might be recommended; verify with manual.
Brake Fluid Spec:
DOT 3 or DOT 4 brake fluid (glycol-based).
Known Issues 4G63T:
Turbocharger failure, clutch wear, front suspension bushings, oil leaks, O2 sensor failures, catalytic converter issues, rust on body panels, ECU capacitor failure (later models).
Known Issues Galant:
Transmission issues (automatic and manual), CV axle wear, suspension components, exhaust system rust, engine mounts, ABS sensor failures.
Dsm Joint Venture:
Diamond-Star Motors (DSM) was a joint venture between Chrysler Corporation and Mitsubishi Motors, formed to produce specific models for the North American market.
Generations:
This manual covers the entirety of the first and second generations of the Mitsubishi Eclipse/Eagle Talon/Dodge Laser (1989-1994 and 1995-1999) and the fourth and fifth generations of the Mitsubishi Galant (1988-1993 and 1994-1998, with overlap into the next generation depending on market release).
Manufacturing Location:
The DSM vehicles were primarily manufactured at the Diamond-Star Motors plant in Normal, Illinois, USA.
Performance Awards Dsm:
The Mitsubishi Eclipse GSX and Eagle Talon TSi AWD models, powered by the legendary 4G63T engine, were consistently praised for their performance, handling, and affordability, often appearing on 'best performance car' lists for their respective eras.
Galant Awards:
The Mitsubishi Galant VR-4 was a well-regarded performance sedan, known for its sophisticated all-wheel-drive system and turbocharged engine, often receiving critical acclaim for its driving dynamics.