Model Years Covered:
1990, 1991, 1992, 1993, 1994
Generation:
Second Generation (1990-1994)
Chassis Code:
DSM (Diamond-Star Motors) platform
Market Segment:
Compact Sports Coupe / Hatchback
Key Competitors:
Mitsubishi Eclipse, Eagle Talon, Toyota Celica, Honda Prelude, Mazda MX-6
Platform Sharing:
Shared platform with Mitsubishi Eclipse and Eagle Talon (DSM platform)
Design Philosophy:
Front-wheel drive or All-wheel drive, turbocharged engine options, aerodynamic styling
Primary Coverage:
Repair, Maintenance, Diagnostics, Troubleshooting, Overhaul
Secondary Coverage:
Component Removal/Installation, Adjustments, Specifications, Wiring Diagrams
Type:
Workshop Service Manual / Repair Manual
Powertrain:
Engine Mechanical, Engine Fuel, Engine Electrical, Emission Control, Exhaust System, Cooling System, Lubrication System, Turbocharger System (if equipped)
Drivetrain:
Manual Transmission, Automatic Transmission, Clutch System, Drivetrain Components (Axles, Driveshafts)
Chassis:
Suspension System (Front and Rear), Steering System, Brake System (Front and Rear, ABS if equipped), Wheel Alignment
Electrical:
Body Electrical System, Lighting, Instrumentation, Power Accessories, Audio System, Wiring Diagrams, Fuses and Relays
Body:
Body Construction, Exterior Trim, Interior Trim, Doors, Windows, HVAC System (Heating, Ventilation, Air Conditioning)
Maintenance:
Scheduled Maintenance, Oil Changes, Filter Replacements, Spark Plug Service, Fluid Checks and Replenishments
Diagnostics:
Troubleshooting Guides, Symptom-Based Diagnostics, Diagnostic Trouble Codes (DTCs)
Repair:
Component Disassembly, Assembly, Rebuilding, Component Replacement
Adjustments:
Engine Timing, Idle Speed, Clutch Adjustment, Brake Adjustments, Wheel Alignment
Depth:
Comprehensive, Step-by-Step Procedures, Detailed Explanations, Pictorial Diagrams, Exploded Views, Torque Specifications, Wear Limits, Special Tool References
Engine Options:
2.0L 4G63 SOHC (Non-turbo), 2.0L 4G63 DOHC Turbocharged (GSi/ES trims)
Horsepower Range:
Approx. 135-195 hp (depending on engine and trim)
Torque Range:
Approx. 125-203 lb-ft (depending on engine and trim)
Fuel Delivery:
Multi-point Fuel Injection (MPI)
Turbocharger:
Optional, Mitsubishi TD05H-14B turbocharger for turbocharged models
Bore X Stroke:
85.0 mm x 88.0 mm (2.0L)
Compression Ratio:
8.5:1 (Naturally Aspirated), 7.8:1 (Turbocharged)
Wheelbase:
Approx. 97.6 inches (2479 mm)
Length:
Approx. 174.5 inches (4432 mm)
Width:
Approx. 69.1 inches (1755 mm)
Height:
Approx. 50.2 inches (1275 mm)
Curb Weight:
Approx. 2750-3100 lbs (1247-1406 kg) depending on configuration
Oil Change Interval:
Every 3,750 miles (6,000 km) or 6 months, whichever comes first (refer to manual for specific oil type and capacity)
Engine Coolant Flush:
Every 30,000 miles (48,000 km) or 2 years
Timing Belt Replacement:
Every 60,000 miles (96,000 km) or 5 years (critical for 4G63 engine)
Engine Oil:
API SG or higher, SAE 5W-30 recommended (check manual for specific viscosity and capacity)
Transmission Fluid Manual:
API GL-4, SAE 75W-90 or 75W-85
Transmission Fluid Automatic:
Mitsubishi SPII (DIA QUEEN ATF J2) or equivalent
Coolant:
Ethylene glycol-based antifreeze, 50/50 mix with distilled water
Common Problems:
Turbocharger failures (on turbocharged models), Clutch wear, Suspension component wear, Electrical gremlins, Head gasket issues (less common but possible).
Spark Plugs:
NGK BPR5ES-11 (standard), NGK BPR6ES-11 (turbocharged) - refer to manual for exact part numbers and gap settings
Tire Size:
Common sizes include 205/55R16 (refer to vehicle placard)
Wheel Bolt Pattern:
5x114.3 mm (5x4.5 inches)
Brand Identity:
Plymouth was an American automobile brand produced by Chrysler.
Platform Origin:
The Plymouth Laser was a rebadged version of the Mitsubishi Eclipse and Eagle Talon, part of the Diamond-Star Motors (DSM) joint venture between Chrysler and Mitsubishi.
Production Location:
Normal, Illinois, USA (Diamond-Star Motors plant)
Production Period:
1989–1994 (for the Plymouth Laser)
