Mazda RX7 RX-7 1989-1991 Workshop Repair Service Manual
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Basic Information Identification Make: Mazda Model: RX-7 Generation: FC Codes Chassis Code: FC3S Engine Code: 13B-FC (Rotary) Introduction Market Position Segment: Sports Car, Grand Tourer Era Competitors: Toyota Supra, Nissan...
Identification and usage of specialized Mazda tools
Technical Depth
Depth Level:
Comprehensive: From basic fluid checks and adjustments to full engine and drivetrain rebuilds, electrical system troubleshooting, and bodywork repair.
Manual Specifications
File Format
File Type:
PDF (Portable Document Format)
Searchability:
Likely text-searchable if scanned with OCR
Print Quality
Scan Resolution:
High-resolution scans for clarity of diagrams and text
Binding Type
Binding:
N/A (Digital Download)
Paper Type
Paper Type:
N/A (Digital Download)
Engine Specifications
Primary Engine
Engine Type:
Rotary (Wankel) Engine
Engine Code:
13B-FC
Displacement:
1.3 Liters (654cc x 2 rotors)
Aspiration:
Naturally Aspirated (NA) and Turbocharged (Turbo II)
Performance
Hp Na:
Approx. 160-170 hp (depending on market/year)
Hp Turbo:
Approx. 200-210 hp (Turbo II)
Torque Na:
Approx. 145-150 lb-ft
Torque Turbo:
Approx. 200 lb-ft
Fuel System
Fuel Delivery:
Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded Gasoline (Premium Recommended)
Cooling System
Cooling Medium:
Water-cooled with dedicated oil cooling for apex seals.
Oil System
Oil Capacity Approx:
4.5 - 5.0 Quarts (with filter)
Rotary Specific
Apex Seals:
Critical wear item, maintenance and lubrication are vital.
Transmission
Standard
Transmission Type:
5-Speed Manual
Optional
Transmission Type:
4-Speed Automatic
Features
Drive Layout:
Rear-Wheel Drive (RWD)
Fluid Spec
Manual Transmission Fluid:
API GL-4 75W-90 or equivalent
Automatic Transmission Fluid:
Dexron III or equivalent
Dimensions
Exterior
Length Approx:
4365 mm (171.9 in)
Width Approx:
1700 mm (66.9 in)
Height Approx:
1295 mm (51.0 in)
Wheelbase Approx:
2430 mm (95.7 in)
Weights
Curb Weight Approx Na:
1290 kg (2844 lbs)
Curb Weight Approx Turbo:
1365 kg (3009 lbs)
Wheels Tires
Stock Tire Size:
Front: 205/55R15, Rear: 225/50R15 (variable by trim)
Wheel Bolt Pattern:
5x114.3 (5x4.5 inches)
Safety Features
Ratings
NHTSA Ratings:
Specific NHTSA ratings for this era may be limited or unavailable, but the chassis was designed with safety in mind.
Active Features
ABS:
Available on higher trims and Turbo II models.
Limited Slip Differential:
Available on some trims (e.g., GTU, Turbo II) for improved traction.
Passive Features
Airbags:
Driver's airbag standard on later models in this generation.
Seatbelts:
3-point front seatbelts with pre-tensioners.
Technology Features
Infotainment
Audio System:
Factory AM/FM stereo with cassette player, optional CD player on some models. Speaker configuration varies by trim.
Instrumentation:
Comprehensive analog gauges including tachometer, speedometer, oil pressure, coolant temperature, and boost gauge (Turbo II).
Driver Assistance
Cruise Control:
Available on most models.
Connectivity
Connectivity Features:
None by modern standards; relies on analogue systems.
Maintenance
Service Intervals
Oil Change Interval:
Every 3,000-5,000 miles or 6 months, using high-quality synthetic oil.
Spark Plug Replacement:
Refer to manual; rotary spark plugs have specific replacement intervals.
Timing Belt Alternative:
Rotary engines do not have timing belts; they use a chain or direct drive for rotor synchronization.
Fluid Specifications
Coolant Type:
Ethylene Glycol based coolant (e.g., Mazda FL22 or equivalent)
Brake Fluid Type:
DOT 3 or DOT 4
Power Steering Fluid:
Dexron II/III or specific Mazda fluid.
Known Issues
Rotary Engine Wear:
Apex seal wear and housing wear can occur with high mileage or poor maintenance. Oil consumption is normal for rotary engines.
Turbocharger Issues:
Turbo seals and wastegate actuator can be points of failure on Turbo II models.
Vacuum Lines:
Aging rubber vacuum lines can lead to vacuum leaks and rough idling/performance issues.
Parts Availability
Common Parts:
Many wear items and common replacement parts are still available through specialized suppliers.
Vehicle History
Brand Heritage
Mazda Rotary History:
Mazda is renowned for its pioneering work with the rotary engine, beginning with the Cosmo and continuing with the RX series.
Model Evolution
Fc Generation:
The FC generation (1985-1992) succeeded the SA/FB RX-7, introducing a more modern design, improved handling, and the option of the powerful Turbo II variant.
Updates During Fc Era:
Minor styling tweaks and performance enhancements occurred throughout the FC's production life.
Production
Production Years:
1985-1992 (FC generation)
Manufacturing Location:
Japan
Awards & Recognition
Recognitions
Car And Driver Ten Best:
The RX-7 (including the FC generation) was frequently named to Car and Driver's Ten Best list.
Popular Mechanics Editor Choice:
Often recognized for its engineering and performance by automotive publications.
Ratings
Handling Reputation:
Universally praised for its excellent handling dynamics and balance.