🏷️ Basic Information Identification Make: Mazda Model: RX-7 Model Code: FD3S Year: 1998 Codes Chassis Code: FD3S 👋 Introduction Market Position 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. Competitive Analysis 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. Key Features Vehicle Highlights: Lightweight chassis, near 50/50 weight distribution, advanced aerodynamic design, twin-sequential turbocharging (13B-REW), sophisticated multi-link suspension. 📋 Manual Details Coverage Areas Primary Coverage: Complete repair, service, and maintenance procedures for the 1998 Mazda RX-7 (FD3S chassis). Page Count Estimated Pages: Approximately 2000+ pages (typical for a comprehensive service manual of this era). Manual Type Type: Factory Service Manual (FSM) / Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered 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. Procedures Included 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. Technical Depth Depth: Comprehensive, covering detailed diagnostic procedures, component-level repair, torque specifications, and factory tolerances. Suitable for professional technicians and advanced DIY enthusiasts. 📊 Manual Specifications File Format PDF Quality: High-resolution, text-searchable PDF for easy navigation and information retrieval. Print Quality Printability: Designed for clear printing, allowing users to create physical copies of specific sections or the entire manual. Binding Type Binding Type: N/A (PDF Digital Download) Paper Type Paper Type: N/A (PDF Digital Download) ⚙️ Engine Specifications Primary Engine Engine Name: 13B-REW 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. Performance Horsepower: 255 hp @ 6500 rpm (for 1998 models in most markets). Torque: 217 lb-ft @ 5000 rpm (for 1998 models). Redline: 8000 rpm Turbocharging System: Sequential Twin-Turbochargers (Smaller turbo for low-end response, larger turbo for high-end power). Fuel System 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. 🔧 Transmission Standard Type: Mazda R154 5-speed Manual Transmission. Optional Type: Optional 4-speed Automatic Transmission (less common). Features Clutch Type: Hydraulically actuated, single-plate dry clutch. Gear Ratios: Specific gear ratios are detailed in the manual for precise performance tuning and diagnostics. Transmission Fluid: Refer to manual for specific OEM or equivalent fluid type (e.g., Dexron III or equivalent for automatic, GL-4/GL-5 for manual). 📐 Dimensions Exterior Length: 171.7 inches (4360 mm) Width: 69.1 inches (1755 mm) Height: 48.2 inches (1225 mm) Wheelbase: 95.5 inches (2425 mm) Ground Clearance: 5.1 inches (130 mm) Weights Curb Weight: Approximately 2900-3100 lbs (1315-1406 kg), depending on options and market. Gross Vehicle Weight Rating: Refer to vehicle VIN plate for exact GVWR. Cargo Cargo Volume: Limited, primarily concentrated in the rear storage compartment behind the seats. 🛡️ Safety Features Ratings 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. Active Features 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. Passive Features Airbags: Driver and Passenger Airbags. Seatbelts:...