Positioning:
The 1998 Mazda RX-7 FD3S represented the pinnacle of Mazda's rotary engine sports car development, a highly sought-after JDM icon known for its unique engine, exceptional handling, and distinctive styling. This manual is essential for preserving and maintaining this celebrated performance vehicle.
Competitors:
Competed against iconic sports cars of its era such as the Nissan 300ZX (Z32), Toyota Supra (JZA80), and Mitsubishi 3000GT (Z16A). The RX-7 stood out with its naturally aspirated rotary engine, lightweight chassis, and focus on driver engagement.
Vehicle Highlights:
Lightweight chassis, near 50/50 weight distribution, advanced aerodynamic design, twin-sequential turbocharging (13B-REW), sophisticated multi-link suspension.
Powertrain:
13B-REW Rotary Engine (Twin-Turbocharged), Engine Management System (ECU), Fuel System, Ignition System, Exhaust System.
Drivetrain:
Transmission (R154 manual transmission, potentially automatic options), Clutch System, Driveshaft, Differential, Axles.
Chassis And Suspension:
Front Suspension (Double Wishbone), Rear Suspension (Multi-link), Steering System, Power Steering, Bushings, Bearings.
Brakes:
Front and Rear Disc Brakes, ABS System, Brake Lines, Master Cylinder, Calipers.
Electrical And Electronics:
Wiring Diagrams, Battery, Alternator, Starter Motor, Lighting System, Fuses, Relays, ECU Pinouts, Sensor Diagnostics, Immobilizer System.
Body And Interior:
Body Panel Removal and Installation, Doors, Hood, Trunk, Interior Trim, Seats, HVAC System, Body Sealing.
Engine Repair:
Engine disassembly, inspection, reassembly, apex seal replacement, rotor housing machining, oil seal replacement, peripheral seal replacement.
Turbocharger Service:
Turbocharger inspection, rebuild, replacement, wastegate adjustment, intercooler maintenance.
Transmission Overhaul:
Transmission removal, disassembly, component inspection, reassembly, shift linkage adjustment.
Suspension And Steering Alignment:
Wheel alignment specifications, camber, caster, toe adjustments, suspension component replacement.
Brake System Service:
Brake pad and rotor replacement, caliper rebuilding, bleeding the brake system, ABS system troubleshooting.
Electrical Troubleshooting:
Diagnostic procedures for electrical faults, wiring harness repair, component testing, using diagnostic scan tools.
Fuel System Diagnostics:
Fuel injector testing, fuel pump pressure checks, fuel filter replacement, fuel delivery system troubleshooting.
Cooling System Maintenance:
Radiator flushing, thermostat replacement, coolant hose inspection, water pump replacement.
Depth:
Comprehensive, covering detailed diagnostic procedures, component-level repair, torque specifications, and factory tolerances. Suitable for professional technicians and advanced DIY enthusiasts.
Engine Type:
Rotary (Wankel) Twin-Turbocharged
Displacement:
1.3 Liters (654cc x 2 rotors)
Rotor Housing Material:
Enamel-coated aluminum alloy
Apex Seals:
Often made of carbon-based composite or ceramic for durability and performance (specific material can vary by production revision).
Ignition System:
Distributorless Ignition System (DIS) with trailing and leading spark plugs per rotor.
Horsepower:
255 hp @ 6500 rpm (for 1998 models in most markets).
Torque:
217 lb-ft @ 5000 rpm (for 1998 models).
Turbocharging System:
Sequential Twin-Turbochargers (Smaller turbo for low-end response, larger turbo for high-end power).
Fuel Injection:
Electronic Fuel Injection (EFI).
Fuel Type Required:
Premium Unleaded Gasoline (91 Octane or higher).
Fuel Pump Type:
In-tank electric fuel pump.
Fuel Injectors:
High-impedance, top-feed injectors.
NHTSA Rating:
Specific NHTSA ratings for 1998 models may vary by market and testing methodology. Generally considered a safe vehicle for its class and era, but advanced safety features were less common.
ABS:
Anti-lock Braking System (ABS) standard on most models.
Traction Control:
Traction Control System (TCS) may be standard or optional depending on trim and market.
Airbags:
Driver and Passenger Airbags.
Seatbelts:
3-point Inertia-reel seatbelts with pretensioners.
Body Structure:
Reinforced safety cage and crumple zones.
Oil Change Interval:
Typically every 3,000-5,000 miles (4,800-8,000 km) or 6 months, whichever comes first, due to the nature of rotary engines. Consult manual for specific recommendation.
Spark Plug Replacement:
Refer to manual; typically involves replacement of both leading and trailing plugs, interval varies.
Coolant Flush:
Recommended every 2-3 years or 30,000 miles (48,000 km).
Timing Belt Replacement:
N/A (Rotary engines do not have timing belts; they use a chain or gear-driven setup).
Engine Oil Type:
Refer to manual. Typically a high-quality synthetic 5W-30 or 10W-30 with good high-temperature performance.
Engine Oil Capacity:
Approximately 5.4 US quarts (5.1 Liters) with filter change. Consult manual for exact capacity.
Coolant Type:
Mazda FL22 Coolant or equivalent long-life OAT coolant (Orange/Pink).
Brake Fluid Type:
DOT 3 or DOT 4.
Power Steering Fluid Type:
Mazda Genuine ATF DEXTRON II or equivalent.
Rotary Specific Issues:
Apex seal wear, oil seal failure, intake manifold air leaks, vacuum hose degradation, ignition coil failure, turbocharger issues (especially after prolonged neglect).
Cooling System:
Overheating due to inefficient cooling system design or failure of components like the coolant control valve or radiator.
Fuel System:
Clogged fuel injectors, weak fuel pump, issues with the pulsation dampener.
Heritage:
Mazda has a long history of producing innovative and driver-focused sports cars, including the iconic RX-7 series, known for pushing the boundaries of rotary engine technology.
Evolution Fd:
The third generation (FD) RX-7, introduced in 1992, represented a significant departure from its predecessors with its modern styling, twin-turbo rotary engine, and advanced chassis. The 1998 model year falls within the later production run, often referred to as Series 7, with subtle refinements.
Production Period:
1992-2002
Production Location:
Mazda Hofu Plant, Yamaguchi Prefecture, Japan.