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Mazda Rx7 1985 Factory Service Workshop Repair Manual

Mazda Rx7 1985 Factory Service Workshop Repair Manual

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Vehicle data plateRef 96976
Brand
Mazda
Vehicle
Cars
Models covered
Misc, Rx7
Years
1985
Format
PDF, searchable, print-ready
Delivery
Instant download after checkout
Language
English

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  • Download link opens on the order page immediately
  • The same link is emailed to you — re-download any time
  • Open on phone, tablet or PC; print only the pages you need
  • Not sure it covers your model year? Ask us before you buy
Basic Information
Identification
Make: Mazda
Model: RX-7
Model Generation: FC (Second Generation)
Year: 1985
Codes
Chassis Code: FC3S (Coupe), FC3C (Convertible - though 1985 was primarily coupe production)
Introduction
Market Position
Segment: Compact Sports Car / Grand Tourer
Competitors 1985: Nissan 300ZX (Z31), Toyota MR2, Chevrolet Camaro, Pontiac Firebird, Ford Mustang, Porsche 944
Competitive Analysis
Unique Selling Proposition: Wankel rotary engine technology offering high-revving performance and a unique driving experience, balanced chassis, sporty design.
Key Features
Model Appeal: Performance-oriented, driver-focused, iconic rotary engine, stylish coupe body
Manual Details
Coverage Areas
Coverage Scope: Comprehensive factory service and workshop repair
Page Count
Approximate Pages: 700-900
Manual Type
Type: Factory Service Manual / Workshop Manual
Language
Language: English
Format
Format: Digital (PDF, likely scanned factory documents)
Manual Coverage
Systems Covered
Engine: Rotary engine (12A and 13B), lubrication, cooling, fuel injection (early Bosch L-Jetronic variants or similar), ignition, emissions control
Transmission: Manual transmission (5-speed), automatic transmission (optional, less common for this year/model), clutch, drivetrain components (driveshaft, differential)
Brakes: Front and rear disc brakes, hydraulic system, parking brake, ABS (if equipped on specific trims)
Suspension: Front independent suspension (MacPherson struts), rear independent suspension (Watt's linkage or similar multi-link), shock absorbers, springs, control arms, bushings
Steering: Power steering system, steering rack, tie rods, steering column
Electrical: Wiring diagrams, battery, alternator, starter, lighting systems, gauges, interior electronics, fuses, relays
Bodywork: Body panel removal and installation, glass replacement, interior trim, chassis repair, body dimensions, corrosion protection
Procedures Included
Maintenance: Scheduled maintenance, fluid changes, filter replacements, spark plug (apex seal lubricant) checks, belt adjustments
Diagnostics: Troubleshooting charts, symptom-based diagnosis, electrical system testing, engine performance issues
Repair: Engine rebuilds (apex seals, rotor housing, oil seals), transmission overhaul, brake caliper replacement, suspension component renewal, electrical component repair
Technical Data: Torque specifications, alignment data, clearances, electrical resistance values, diagnostic trouble codes (DTCs) if applicable for the era
Technical Depth
Depth: Complete factory-level, covering everything from basic tune-ups to complete engine and chassis overhauls.
Manual Specifications
File Format
Format Type: PDF
Searchability: Likely text-searchable if OCR'd properly from scanned original
Print Quality
Quality: Variable, dependent on original scan quality, but typically good for technical diagrams and text.
Binding Type
Binding: N/A (Digital)
Paper Type
Paper: N/A (Digital)
Engine Specifications
Primary Engine
Engine Type: Naturally Aspirated Rotary (Wankel)
Engine Code: 12A (likely for base models), 13B (optional, including naturally aspirated and potentially early turbo variants depending on specific market/trim for 1985)
Displacement Cc: 1146 cc (12A), 1308 cc (13B)
Rotor Housing Material: Aluminum alloy with chrome plating
Performance
Horsepower Ps 12A: Approx. 100-110 PS
Horsepower Ps 13B: Approx. 135-146 PS (Naturally Aspirated)
Torque Nm 12A: Approx. 130-140 Nm
Torque Nm 13B: Approx. 170-180 Nm (Naturally Aspirated)
Fuel System
Fuel Delivery: Fuel Injection (Bosch L-Jetronic or similar early electronic injection)
Fuel Type: Unleaded gasoline
Engine Management
Ignition System: Electronic Ignition (Distributorless ignition or distributor-based)
Emissions Control: Catalytic converter, EGR (Exhaust Gas Recirculation), air injection (likely)
Transmission
Standard
Type: 5-speed Manual Transmission
Optional
Type: 4-speed Automatic Transmission
Features
Clutch Type: Hydraulic operated single dry plate
Differential: Open differential (Limited Slip Differential (LSD) often optional on higher trims)
Dimensions
Exterior
Length Mm: Approx. 4390 mm
Width Mm: Approx. 1690 mm
Height Mm: Approx. 1295 mm
Wheelbase Mm: Approx. 2430 mm
Weights
Curb Weight Kg: Approx. 1150-1250 kg (depending on trim and options)
Safety Features
Ratings
Crash Test Data: Limited comparable data available for this era and vehicle type, likely not subjected to modern stringent testing protocols.
Active Features
Braking System: Front ventilated discs, rear solid discs; ABS optional on some models.
Suspension Tuning: Designed for balanced handling and grip.
Passive Features
Seatbelts: Three-point inertia reel seatbelts
Body Structure: Reinforced safety cage, energy-absorbing crumple zones
Technology Features
Infotainment
Audio System: Factory AM/FM/Cassette player, often with equalizer or amplifier options.
Driver Assistance
Traction Control: Not commonly equipped on 1985 models, advanced stability control was not prevalent.
Cruise Control: Available on higher trim levels.
Connectivity
Connectivity Features: No modern connectivity features (Bluetooth, USB, etc.).
Maintenance
Service Intervals
Oil Change: Every 3,000-5,000 miles (5,000-8,000 km) or 6 months. Rotary engines require specific oil management.
Spark Plug Inspection: Check at 15,000 miles (24,000 km), replace as needed. Specific platinum or iridium plugs recommended.
Timing Belt Replacement: N/A (Rotary engines do not have timing belts; they use timing chains or gears).
Fluid Specifications
Engine Oil Type: API SG/SH or higher, viscosity usually 10W-30 or 10W-40. Requires oil with good detergency. Special rotor lubrication system is critical.
Coolant Type: Ethylene glycol-based antifreeze, typically a 50/50 mix with distilled water.
Transmission Fluid Manual: API GL-4 or GL-5 gear oil, SAE 75W-90 or 80W-90.
Brake Fluid Type: DOT 3 or DOT 4 brake fluid.
Known Issues
Apex Seal Wear: Premature wear of apex seals can lead to loss of compression, rough idling, and poor performance. Regular maintenance and proper oiling are crucial.
Thermal Radiator: Overheating issues can occur if the cooling system is not meticulously maintained. Check coolant levels and radiator condition regularly.
Oil Seal Degradation: Oil seal failure in the rotary engine can lead to oil consumption and potential engine damage.
Vacuum Lines: Degradation of vacuum hoses can cause vacuum leaks, leading to erratic engine performance and idle issues.
Vehicle History
Brand Heritage
Mazda Rotary Legacy: Mazda's pioneering and continued development of Wankel rotary engines, starting with the Cosmo and RX-7 lineage.
Model Evolution
Generation Fc Introduction: Introduced in 1985 as the second generation (FC) RX-7, replacing the SA22C (FB) generation. Styled by Yoichi Sato.
Fc Design Influences: Often cited as having design influences from the Porsche 924/944.
Production
Production Period Fc: 1985-1992
Manufacturing Location: Japan
Awards & Recognition
Recognitions
Motor Trend Import Car Of The Year: The RX-7 (FB generation predecessor) won Motor Trend Import Car of the Year for 1979. The FC generation continued this sporty reputation.
Ratings
Driving Dynamics Reputation: Consistently praised by automotive journalists for its handling, balance, and driver engagement, especially for its era.

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Check the model year and engine before you buy

Manufacturers change procedures, wiring and part numbers between model years and engine options. If your VIN plate shows a year or engine code that is not listed on the data plate above, contact us with the model, year and VIN and we will confirm coverage before you order.

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