Positioning:
The 1994 Mazda RX-7 (FD generation) was a halo car, representing Mazda's pinnacle of sports car engineering and performance, particularly known for its advanced rotary engine and sophisticated handling. This manual targets dedicated enthusiasts and professional mechanics.
Key Competitors:
Nissan 300ZX (Z32), Toyota Supra (Mk IV), Mitsubishi 3000GT VR-4, Porsche 968.
Manual Advantages:
Officially licensed, comprehensive coverage, detailed diagrams, diagnostic procedures, and factory specifications essential for accurate repair and maintenance of this unique rotary-powered sports car.
Engine And Drivetrain:
13B-REW Rotary Engine, Twin-Turbo System, Engine Management, Fuel System, Ignition System, Lubrication System, Cooling System, Manual Transmission (Type R154), Driveshafts, Differential, Axles
Chassis And Suspension:
Front Suspension (Double Wishbone), Rear Suspension (Multi-Link), Power Steering System, Brakes (ABS), Wheels and Tires
Electrical And Body:
Body Panels and Structure, Doors, Windows, Interior Trim, HVAC System, Lighting System, Audio System, Wiring Diagrams, Diagnostics (OBD-I and specific RX-7 codes), Airbags
Routine Maintenance:
Oil and filter changes, spark plug replacement, air filter replacement, coolant checks and flushes, brake fluid replacement, clutch fluid replacement, transmission fluid checks and changes, differential fluid checks and changes, inspection of belts and hoses
Repair And Overhaul:
Engine disassembly and reassembly, turbocharger inspection and replacement, fuel injector cleaning and replacement, ignition coil diagnosis, brake pad and rotor replacement, suspension component replacement, clutch replacement, driveshaft U-joint service, differential overhaul
Diagnostics And Troubleshooting:
Code retrieval, component testing (sensors, actuators), wiring continuity checks, vacuum leak detection, ignition timing adjustments, fuel pressure testing, performance diagnosis
Depth Of Coverage:
Comprehensive: Covers all aspects from basic maintenance to full engine rebuilds, including detailed diagnostic procedures and specifications. Includes factory service bulletins where applicable.
Engine Type:
Rotary (Wankel), Twin-Sequential Turbocharged
Displacement:
2 x 654cc (Total 1308cc equivalent)
Horsepower:
252 bhp @ 6500 rpm (US Spec)
Torque:
217 lb-ft @ 5000 rpm (US Spec)
Fuel Delivery:
Sequential Electronic Fuel Injection (SEFI)
Fuel Type:
Unleaded Gasoline (91 Octane or higher recommended)
Coolant Capacity:
Approx. 7.5 Liters (15.8 US Quarts)
Oil Capacity:
Approx. 4.5 Liters (4.8 US Quarts) with filter change
Oil Specification:
API SG or SH, SAE 10W-30 Recommended (check manual for seasonal variations)
Transmission Type:
6-Speed Manual
Optional Transmission:
4-Speed Automatic (less common on performance trims)
Manual Transmission Code:
Often referred to as Type R154 or similar Mazda designation for the 6-speed
Manual Transmission Fluid Capacity:
Approx. 2.5 Liters (2.6 US Quarts)
Manual Transmission Fluid Type:
GL-4 or GL-5 Gear Oil, SAE 75W-90 Recommended
Fedor Crash Rating:
Not available for this model year through standard NHTSA databases; relies on internal Mazda testing and engineering.
Active Safety:
Anti-lock Braking System (ABS), Limited-Slip Differential (LSD) on some trims
Passive Safety:
Driver and Passenger Airbags, Reinforced Safety Cell, Three-Point Seatbelts with Pretensioners
Audio System:
Factory AM/FM/CD Player with optional Bose premium sound system.
Cruise Control:
Standard feature
Traction Control:
Not typically equipped on the 1994 model, but some advanced stability systems might have been available on specific export markets or later models.
Original Connectivity:
Basic, with antenna and speaker wiring.
Oil Change Interval:
Every 3,000-5,000 miles or 6 months, whichever comes first (depending on driving conditions and oil used)
Spark Plug Replacement Interval:
Every 30,000 miles (specific rotary spark plugs required)
Timing Belt Interval:
N/A (Rotary engines do not have timing belts; they use apex seals and a technically different internal rotor timing system)
Coolant Flush Interval:
Every 2 years or 30,000 miles
Brake Fluid Specification:
DOT 3 or DOT 4 (check manual)
Power Steering Fluid Type:
Mazda Genuine ATF or Dexron II/III compatible
Rotary Engine Wear:
Apex seal wear, oil seal deterioration, carbon buildup in combustion chambers, potential for thermal issues if not properly maintained.
Turbocharger Issues:
Failure of the sequential turbo system due to vacuum leaks or actuator problems, turbo seal wear.
Vacuum Lines:
Degradation of numerous vacuum hoses leading to boost leaks and performance issues.
Oil Metering Pump:
Malfunction of the OMP can lead to insufficient lubrication of apex seals.
Mazda Rotary Legacy:
Mazda's commitment to the rotary engine, dating back to the Cosmo Sport, culminated in the RX-7, showcasing its unique engineering capabilities.
Fd Generation Introduction:
The FD RX-7, introduced in 1992 (for the 1993 model year in the US), was a complete redesign, featuring a more advanced twin-sequential turbo rotary engine and a sleeker, more aerodynamic design.
Production Years Fd:
1992-2002
Manufacturing Location:
Hiroshima, Japan
Car And Driver Award:
Named to Car and Driver's Ten Best list for 1993 and 1994.
Performance Car Of The Year:
Widely regarded as one of the best handling and performing sports cars of its era.
Factory Certification:
This software is an officially licensed product from Mazda, ensuring accuracy and completeness.
