Vehicle Segment:
Lightweight Sports Car, Roadster
Target Audience:
Enthusiasts, DIY Mechanics, Professional Technicians
Key Competitors:
Lotus Elan, Triumph TR7, Alfa Romeo Spider
Design Philosophy:
Jinba Ittai (Horse and Rider as One), Driver Focused, Lightweight
Manual Benefit:
Empowers owners for efficient repair, maintenance, and troubleshooting.
Manual Value Proposition:
Cost-effective access to official factory repair data, saving on professional labor costs.
Engine Service Repair:
Complete Engine Overhaul, Component Repair, Timing Systems
Transmission Service Repair:
Manual and Automatic Transmission Overhaul, Clutch System
Brake System:
Brake System Diagnosis, Repair, ABS (if applicable), Pad/Rotor Replacement
Electrical System:
Complete Electrical Schematics, Component Testing, Wiring Harness Repair
Suspension System:
Front and Rear Suspension Components, Alignment Procedures, Bushing Replacement
Steering System:
Steering Gearbox, Power Steering System, Tie Rods
Cooling System:
Radiator, Water Pump, Thermostat, Cooling Fan Operation
Fuel Injection System:
Fuel Injectors, Fuel Pump, Fuel Pressure Regulator, ECU Control
Fuel System:
Fuel Tank, Fuel Lines, Fuel Filter Replacement
Emission Control System:
Catalytic Converter, EGR System, Oxygen Sensors
HVAC System:
Heating, Ventilation, and Air Conditioning (HVAC) Service and Repair
Engine Control System:
ECU Diagnosis, Sensor Testing, Engine Performance Tuning
Chassis Body:
Body Panel Repair, Frame Inspection, Door/Window Mechanisms
Restraint System:
Seatbelt Mechanisms, Airbag System (if applicable, though unlikely for 1990)
Interior Trim:
Interior Component Removal and Installation, Upholstery
Differential Drive Axle:
Rear Differential Service, Axle Shaft Replacement
General Maintenance:
Routine Checks, Fluid Top-offs, Filter Replacements
Troubleshooting:
Systematic Diagnosis of Common Problems and Faults
Periodic Lubrication:
Scheduled Lubrication Points and Specifications
Wiring Diagrams:
Detailed Electrical Circuit Diagrams for All Systems
Component Replacement:
Step-by-step guides for replacing major and minor components
Assembly Disassembly:
Detailed instructions for taking apart and reassembling various vehicle systems
Depth Of Coverage:
Comprehensive Factory Level Repair and Diagnostic Information
Diagnostic Procedures:
Diagnostic Flowcharts and Troubleshooting Trees
Technical Data:
Torque Specifications, Clearances, Tolerances
Oil Change Interval:
Every 5,000 miles or 6 months
Air Filter Replacement:
Every 15,000 miles or 12 months
Spark Plug Replacement:
Every 30,000 miles
Engine Oil Type:
API SG/SH, SAE 10W-30 Recommended
Coolant Type:
Mazda coolant or equivalent (50/50 mix of ethylene glycol and distilled water)
Transmission Fluid Type Manual:
API GL-4, SAE 75W-90 Gear Oil
Transmission Fluid Type Automatic:
Dexron II or equivalent
Differential Fluid Type:
API GL-5, SAE 80W-90 Gear Oil
Common Wear Items:
Clutch wear, radiator leaks, suspension bushings, window regulators.
Engine Specific Concerns:
Oil seal leaks, occasional ignition coil issues.
