The 1988 Mazda RX7 Repair Manual provides comprehensive technical information for the third-generation FC model featuring the 13B rotary engine. This manual covers engine repair, transmission service, suspension systems, electrical troubleshooting, brake systems, and routine maintenance procedures for the iconic sports car with twin-turbocharged rotary powerplant.
Complete technical specifications for the 1988 Mazda RX7 FC3S model with rotary engine configuration.
| Specification | Details |
|---|---|
| Engine Type | 13B-REW twin-rotor rotary engine |
| Displacement | 1.3L (1308cc) rotary |
| Power Output | 182 hp @ 6500 rpm |
| Torque | 183 lb-ft @ 3500 rpm |
| Transmission | 5-speed manual / 4-speed automatic |
| Fuel System | Electronic fuel injection with twin turbos |
| Brake System | Front disc / rear disc with ABS |
| Suspension | Independent front and rear |
| Wheelbase | 95.7 inches |
| Curb Weight | 2800 lbs |
Detailed repair procedures for the 13B rotary engine, turbocharger system, and related components.
WARNING! Rotary engines require specialized tools and knowledge. Always follow safety procedures when working with high-pressure fuel systems.
Service procedures for manual and automatic transmission systems.
CAUTION! Use proper jack stands and safety equipment when working underneath vehicle.
Complete brake system service including ABS troubleshooting and repair.
Front Brakes: Ventilated disc, 10.2-inch diameter
Rear Brakes: Solid disc, 10.9-inch diameter
Brake pad replacement, rotor resurfacing, caliper service, brake fluid flush procedures, ABS sensor testing, master cylinder replacement, brake line inspection, parking brake adjustment.
Wiring diagrams and electrical component troubleshooting.
Tip: Always disconnect battery before performing electrical work to prevent short circuits.
Fuel injection system service and turbocharger fuel delivery.
WARNING! Relieve fuel system pressure before disconnecting any fuel lines or components.
Radiator, thermostat, and cooling system maintenance for rotary engine.
Radiator flush and fill procedures, thermostat testing and replacement, water pump service, cooling fan operation testing, heater core replacement, coolant temperature sensor testing, overflow tank service, hose inspection and replacement intervals.
Scheduled maintenance intervals and service procedures.
| Service Item | Interval | Procedure |
|---|---|---|
| Oil Change | 3,000 miles | Use 10W-30 conventional oil |
| Spark Plugs | 30,000 miles | NGK BUR9EQ-14 recommended |
| Coolant Flush | 30,000 miles | Use ethylene glycol coolant |
| Brake Fluid | 2 years | DOT 3 or DOT 4 fluid |
| Timing Belt | 60,000 miles | Inspect and replace as needed |
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Engine misfire | Fouled spark plugs | Replace spark plugs and check ignition coils |
| Low compression | Worn apex seals | Perform compression test and rebuild engine |
| Turbo lag | Wastegate issues | Check wastegate operation and vacuum lines |
| Overheating | Coolant leaks | Pressure test system and replace components |
| Hard starting | Fuel delivery | Test fuel pressure and check injectors |
Note: Rotary engines have unique troubleshooting requirements compared to piston engines.
Complete wiring diagrams, vacuum hose routing, component locations, and assembly procedures.
Reference: Always refer to torque specifications when reassembling components.