1989-1990 Mazda RX Models 2ND Generation RX-7 Service Repair Workshop Manual

This is the COMPLETE Service and Repair Manual for the 1989-1990 Mazda RX Models 2ND Generation RX-7 Service Repair Workshop Manual. It covers every single detail.

1989 to 1990 Mazda RX-7 Second Generation Service Repair Manual PDF VEHICLE/EQUIPMENT INTRODUCTION: The second generation Mazda RX-7, known internally as the FC3S chassis, was produced from 1985 to 1992 with the 1989 to 1990 models representing the Series 4 and early Series 5 updates. The FC RX-7 marked a significant evolution from the original FB generation featuring a more powerful 13B rotary engine, improved suspension geometry, and a more refined interior. The rotary Wankel engine, unique among mass produced automobiles, was a major selling point for this lightweight sports car. The 13B twin rotor engine displaced 1308 cc (654 cc per rotor) and produced approximately 146 HP in naturally aspirated form with the twin turbo variant delivering up to 180 HP in Japanese specification. The sequential twin turbocharger system was engineered to eliminate turbo lag across the entire power band, providing smooth power delivery. Mazda was the only manufacturer to persevere with rotary engine technology through the 1980s and 1990s, and the RX-7 remains the most successful rotary powered production car ever built. The FC chassis features fully independent suspension with front double wishbone and rear semi trailing arm layout, providing handling that rivals European sports cars. SERVICE & REPAIR SCOPE: - Rotary engine apex seal inspection rotor housing measurement - Compression test procedure specific to rotary engines - Fuel injection system SFI diagnostics and injector testing - Twin turbocharger service boost control and compressor inspection - Transmission overhaul including clutch and flywheel service - Engine cooling system water pump and thermostat replacement - Electrical system diagnosis starter alternator and wiring harness - Front suspension strut replacement and alignment geometry - Raymond suspension trailing arm bushing and spring service - Brake system disc rotor measurement and caliper overhaul - Power steering rack inspection and pump replacement - Air conditioning compressor and heater core service - Yaw rate velocity sensor system calibration - Sunroof mechanism cable replacement and rail lubrication - Supplemental restraint system airbag component diagnosis - Windshield wiper and washer system component replacement - Electrical power window and door lock circuit diagnosis - Audio system speaker replacement and antenna service - Body panel gap adjustment and weatherstrip replacement - Wheel alignment specification and adjustment procedure - Tire rotation and sizing specification reference - Instrument cluster diagnostics and gauge calibration - Hood latch release cable replacement and striker plate adjustment TECHNICAL SPECIFICATIONS: - Manufacturer: Mazda Motor Corporation, Hiroshima Japan - Model: RX-7 FC3S, second generation - Engine: 13B twin rotor Wankel rotary, 1308 cc (654 cc per rotor) - Power: 146 HP naturally aspirated, up to 180 HP twin turbo - Fuel injection: Sequential fuel injection (SFI) - Turbochargers: Sequential twin tu

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