Engine Mechanical:
Complete overhaul and rebuilding procedures for the 1.6L DOHC inline-4 engine.
Engine Performance:
Detailed analysis of engine performance, including tuning and diagnostics.
Fuel System:
Coverage of fuel injection system components, diagnostics, and repair.
Cooling System:
Radiator, fan, thermostat, coolant flow, and associated components.
Lubrication System:
Oil pump, oil filter, oil pan, and lubrication passages.
Ignition System:
Ignition coils, spark plugs, ignition control module, and timing.
Exhaust System:
Manifold, catalytic converter, mufflers, and piping.
Transmission Manual:
Removal, installation, in-car servicing, and complete overhaul procedures for the 5-speed manual transmission.
Transmission Automatic:
Coverage for automatic transmission models if equipped, including removal, installation, and servicing.
Drivetrain:
Propeller shaft, differential, axle shafts, U-joints, and CV-joints.
Suspension Front:
Double wishbone, shock absorbers, springs, anti-roll bar, ball joints, and alignment specifications.
Suspension Rear:
Multi-link independent suspension, shock absorbers, springs, and trailing arms.
Steering System:
Steering rack, tie rods, steering column, and power steering system (if applicable).
Brake System:
Front disc brakes, rear disc brakes (typical for Miata), calipers, rotors, pads, master cylinder, brake lines, and bleeding procedures.
Wheel And Tires:
Tire specifications, wheel bolt patterns, and mounting procedures.
Body Exterior:
Body panel removal and installation, bumper components, fenders, hood, trunk lid.
Body Interior:
Dashboard, seats, door panels, carpeting, and trim.
Sunroof:
Specific service and repair procedures for the manual or power sunroof.
Climate Control:
Air conditioning system service, capacities, refrigerant types, and component testing.
Electrical Power Distribution:
Battery, alternator, starter motor, and charging system.
Lighting System:
Headlights, taillights, interior lighting, and signal lights.
Instrumentation:
Gauges, warning lights, and instrument cluster diagnostics.
Chassis Electrical:
Horn, wipers, washer system, power windows (if equipped).
Routine Maintenance:
Oil changes, filter replacements, fluid checks, spark plug replacement, belt inspections.
Engine Repair:
Complete engine rebuild, head gasket replacement, piston ring replacement, valve service.
Timing Belt Service:
Specific step-by-step procedures for timing belt replacement, including tensioner and water pump recommendations.
Brake Repair:
Pad replacement, rotor resurfacing/replacement, caliper overhaul, brake line repair.
Suspension Service:
Component replacement (shocks, struts, bushings, ball joints), alignment procedures.
Transmission Service:
Fluid changes, clutch replacement, transmission overhaul.
Electrical Troubleshooting:
Diagnostic procedures for electrical faults using wiring diagrams and trouble codes.
Ac Service:
Recharging, leak detection, component replacement, evacuation.
Drivetrain Service:
U-joint replacement, CV-joint boot replacement and repair.
Diagnostic Charts:
Computer diagnostic trouble tree charts for systematic fault finding.
Torque Specifications:
Comprehensive list of all critical torque specifications for engine, chassis, and suspension components.
Wiring Diagrams:
Detailed, high-quality wiring diagrams for all electrical systems.
Vacuum Diagrams:
Detailed vacuum routing diagrams for engine and emissions control.
Depth:
In-depth, comprehensive coverage from basic maintenance to complete engine and transmission overhauls, suitable for both DIYers and professional mechanics.
Detail Level:
High detail with step-by-step instructions, exploded views, and clear diagrams.
Oil Change Interval:
Every 5,000 miles or 6 months, whichever comes first (typical).
Timing Belt Replacement:
Every 60,000 miles or 5 years, whichever comes first (critical interval).
Spark Plug Replacement:
Every 30,000 miles (typical for NGK plugs).
Coolant Flush:
Every 30,000 miles or 2 years, whichever comes first.
Engine Oil Capacity:
3.5 Liters (3.7 US Quarts) with filter, using SAE 5W-30 or 10W-30 API SG or SH.
Coolant Capacity:
Approx. 5.0 Liters (5.3 US Quarts) of 50/50 ethylene glycol coolant and distilled water.
Brake Fluid Type:
DOT 3 or DOT 4.
Common Wear Items:
Radiator hoses, clutch master/slave cylinders, throwout bearing, window regulators, wiper motor, seatbelt mechanisms.
Engine Specific:
Oil leaks from valve cover gasket, crankshaft seals. Possible throttle body issues.
Electrical Common:
Corroded grounds, failing ECU capacitor (though less prevalent in '91 than later years), dim dashboard lights.
Body Related:
Rust in common areas like rocker panels, sills, and rear wheel arches. Leaking soft top seals.