🏷️ Basic Information

Make:

Mazda

Model:

RX-7

Generation:

FC

Production Years Covered:

1989-1992

Chassis Codes:

FC3S, FC3C

👋 Introduction

Positioning:

The Mazda RX-7 FC generation (1985-1992) solidified the RX-7's reputation as a stylish, agile, and performance-oriented sports car, particularly known for its unique rotary engine.

Competitors:

Competed against vehicles like the Nissan 300ZX (Z31), Toyota Supra (Mk2/Mk3), Chevrolet Camaro/Pontiac Firebird, and Porsche 944.

Unique Selling Points:

Rotary engine, distinctive styling, excellent handling and balance, often equipped with advanced features for its time (e.g., independent rear suspension, ABS).

Professional Use:

This manual is equivalent to the official Mazda factory service manual used by dealership technicians, providing the depth and accuracy required for professional repairs.

📋 Manual Details

Models Covered:

All RX-7 models within the specified production years (Coupe and Convertible)

Regions Covered:

Global (specifications may vary slightly by market)

Estimated Page Count:

Over 1500 pages (typical for a comprehensive workshop manual of this era)

Type:

Service and Repair Workshop Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Engine:

Rotary engine (13B) - Theory of operation, disassembly, assembly, troubleshooting, rebuild procedures, lubrication, cooling system, fuel injection system (EFI/ECU), ignition system, emissions control.

Transmission:

Manual (5-speed) and Automatic (4-speed) transmissions - Overhaul, diagnosis, clutch system, driveline, driveshaft, differential.

Brakes:

Front and rear disc brakes (vented front, solid rear), ABS (Anti-lock Braking System) - Hydraulic system, parking brake, caliper and rotor replacement, bleeding procedures, diagnosis.

Suspension:

Independent suspension (front and rear), struts, springs, bushings, control arms, sway bars, steering knuckles, wheel bearings, power steering system.

Electrical:

Wiring diagrams, lighting systems, charging system (alternator, battery), starting system, ignition system, sensors, ECUs, gauges, power accessories, fuse box locations and functions, troubleshooting electrical faults.

Body:

Body panels, doors, hood, trunk lid, bumpers, glass, interior trim, convertible top mechanism (if applicable), body sealing, corrosion prevention.

Maintenance:

Routine maintenance checks, oil changes, filter replacements, spark plug replacement (apex seals, side seals are part of rebuild), fluid checks and top-ups, belt adjustments.

Diagnostics:

Troubleshooting charts for common issues, diagnostic trouble codes (DTCs) for EFI system, symptom-based diagnostics for various systems.

Repair:

Component removal and installation, engine rebuild (including apex seal replacement), transmission overhaul, brake caliper rebuild, suspension component replacement, electrical component repair.

Specifications:

Torque specifications for all fasteners, clearances, fluid capacities, electrical system specifications, engine performance data.

Depth:

Comprehensive from basic maintenance to complete engine and transmission rebuilds, including detailed diagnostic procedures and wiring diagrams.

📊 Manual Specifications

File Type:

PDF

Searchability:

Searchable text for quick access to information.

Image Resolution:

High-resolution scans of original diagrams and illustrations for clarity.

Binding:

N/A (Digital PDF format)

Paper Type:

N/A (Digital PDF format)

⚙️ Engine Specifications

Engine Type:

Rotary (Wankel) Engine

Engine Code:

13B

Displacement:

1.3 Liters (approximate, calculated from rotor dimensions)

Aspirated Variants:

Naturally aspirated (GXL, Convertible models)

Turbocharged Variants:

Turbocharged (GTU, Turbo II models)

Horsepower Naturally Aspirated:

Approx. 145-160 hp (varies by specific model and year)

Horsepower Turbocharged:

Approx. 200-210 hp (varies by specific model and year)

Torque Naturally Aspirated:

Approx. 139-150 lb-ft

Torque Turbocharged:

Approx. 190-200 lb-ft

Induction Type:

Fuel Injection (Electronic Fuel Injection - EFI)

Fuel Type:

Unleaded Gasoline (Premium Recommended)

Injection System:

Sequential Multi-Port Fuel Injection (MPI) on later models, Port Injection on earlier models. Turbo models feature twin injectors.

Oil Type Recommendation:

API SG or SH, SAE 5W-30 or 10W-30 recommended. Check manual for specific viscosity based on climate.

Oil Capacity:

Approx. 4.5 Liters (4.7 US Quarts) with filter change.

Spark Plug Type:

Special rotary spark plugs (e.g., NGK R7434-9 or equivalent). Specific part numbers available in the manual.

🔧 Transmission

Transmission Type Standard:

5-speed Manual Transmission

Transmission Type Optional:

4-speed Automatic Transmission

Clutch Type:

Hydraulically operated, single dry plate clutch.

Manual Gear Ratios:

Specific ratios vary by model year and transmission variant (e.g., Turbo II may have different ratios than N/A). Manual provides detailed ratios.

Manual Transmission Fluid Type:

API GL-4, SAE 75W-90 or 80W-90 hypoid gear oil. Check manual for specific recommendations.

Automatic Transmission Fluid Type:

Mazda ATF-III or equivalent Dexron II/III compatible fluid. Check manual for specific capacity.

📐 Dimensions

Wheelbase:

Approx. 95.7 inches (2430 mm)

Length:

Approx. 167.9 inches (4265 mm)

Width:

Approx. 69.1 inches (1755 mm)

Height:

Approx. 49.6 inches (1260 mm) for Coupe, slightly higher for Convertible.

Curb Weight:

Approx. 2800-3200 lbs (1270-1450 kg) depending on trim and options.

Gross Vehicle Weight Rating:

Specific GVWR available in manual.

Wheelbase Coupe:

2500 mm (98.4 in)

Wheelbase Convertible:

2500 mm (98.4 in)

Tire Size Standard:

Commonly 205/60R15 or 225/50R16 depending on model and year.

Wheel Bolt Pattern:

5x114.3 mm (5x4.5 inches)

🛡️ Safety Features

Crash Test Data:

Specific crash test ratings from era are generally not as standardized as modern tests, but manual will cover passive safety features.

Anti Lock Brakes:

Available on certain models (e.g., Turbo II, Convertible) and as an option.

Limited Slip Differential:

Available on performance-oriented models (e.g., Turbo II).

Seatbelts:

3-point inertia reel seatbelts with pretensioners on later models.

Airbags:

Driver's side airbag became available during this generation.

Body Structure:

Reinforced body structure for occupant protection, crumple zones.

💡 Technology Features

Audio System:

Factory AM/FM/Cassette stereo systems, often with optional CD players. Speaker configurations vary by trim.

Climate Control:

Manual or automatic climate control systems depending on the trim level.

Cruise Control:

Standard on most models.

ABS:

Anti-lock Braking System available on select trims.

Antenna Type:

Power antenna, typically integrated into the windshield or rear quarter panel.

Turbo Charging:

Turbo II models feature a Garrett turbocharger with an intercooler for enhanced performance.

ECU Management:

Engine Control Unit (ECU) manages fuel injection and ignition timing based on sensor inputs.

🔧 Maintenance

Oil Change Interval:

Typically every 3,000-5,000 miles or 6 months, whichever comes first. Check manual for exact interval based on driving conditions.

Air Filter Replacement:

Every 15,000-30,000 miles or as needed based on inspection.

Fuel Filter Replacement:

Every 30,000-45,000 miles.

Spark Plug Replacement:

Rotary spark plugs have specific replacement intervals, usually around 30,000 miles. Consult the manual for precise recommendations.

Timing Belt Equivalent:

Rotary engines do not have a timing belt; they use a chain for the eccentric shaft. The manual will cover its inspection and maintenance.

Coolant Type:

Ethylene glycol-based antifreeze (50/50 mix with distilled water). Mazda recommends specific coolant or equivalent. Capacity around 8.5 Liters.

Brake Fluid Type:

DOT 3 or DOT 4 brake fluid.

Power Steering Fluid Type:

Mazda Genuine Power Steering Fluid or Dexron II/III ATF.

Rotary Engine Apex Seals:

Wear and failure of apex seals is a common issue, leading to compression loss. The manual details rebuild procedures for this.

Oil Consumption:

Rotary engines inherently consume some oil as part of their lubrication system; however, excessive consumption can indicate seal wear or other issues.

Vacuum Leaks:

Aging rubber hoses and gaskets can lead to vacuum leaks, affecting engine performance and idle quality.

Efi System Maintenance:

Maintenance of fuel injectors, sensors, and ECU is crucial for optimal performance and emissions.

📚 Vehicle History

Rotary Development:

Mazda has a long and unique history with the rotary engine, dating back to the NSU license agreement and the Mazda Cosmo.

Rx 7 Generations:

This FC generation (second generation) replaced the SA/FB and was succeeded by the FD generation.

Fc Introduction:

Introduced in 1985, it featured a more modern design and improved performance over its predecessor.

Fc Facelift:

Received a significant facelift in 1989, including revised aerodynamics, interior, and updated engine management.

Production Period:

1985-1992

Key Manufacturing Locations:

Japan

🏆 Awards & Recognition

Car And Driver 10Best:

The RX-7 (FC generation) was named to Car and Driver's Ten Best list multiple times during its production run.

Motor Trend Car Of The Year:

While not winning the overall COTY, it was frequently reviewed and praised by automotive publications.

Handling Reviews:

Consistently praised for its balanced chassis, responsive steering, and overall driving dynamics.