Vehicle Market Position:
Sports car, 2+2 coupe, known for unique rotary engine and balanced chassis. Competed with cars like Nissan 350Z, Mitsubishi Eclipse GT, and Subaru Impreza WRX (though in a different performance niche).
Competitive Advantage:
The RX-8's primary differentiator was its naturally aspirated, high-revving rotary engine, offering a smooth power delivery and a distinct engine note. Its unique freestyle doors (suicide doors) and sporty handling also set it apart.
Key Vehicle Features:
Rotary engine (RENESIS), rear-wheel drive, balanced 50:50 weight distribution, freestyle rear doors, sporty handling, high-revving power band, advanced chassis dynamics.
Manual Utility:
Essential for maintaining the unique rotary engine, understanding complex electrical systems, and performing all necessary repairs and diagnostics accurately. This is the dealer-level resource.
Engine Systems:
Rotary engine (RENESIS 13B-MSP) internal components, lubrication, cooling, fuel injection, ignition, exhaust, engine management (ECU), troubleshooting, diagnostics, rebuild procedures
Drivetrain Systems:
Manual transmission (Aisin R15M-4), Automatic transmission (optional), clutch system, driveshafts, differential, axle components, troubleshooting, repair
Suspension Steering:
Front suspension (double wishbone), rear suspension (multi-link), shock absorbers, springs, bushings, power steering system, steering rack, troubleshooting, alignment specifications
Brake Systems:
Front and rear disc brakes, ABS system, brake hydraulics, parking brake, rotor and pad replacement, bleeding procedures
Electrical Systems:
Battery, charging system, starter motor, lighting, wipers, horn, power windows, power locks, interior electronics, fuse box diagrams, wiring diagrams, diagnostic procedures
Body Exterior:
Body panels, doors, hood, trunk lid, bumpers, glass, weatherstripping, paint codes, panel alignment, rust prevention, repair
Body Interior:
Seats, dashboard, interior trim, HVAC system (including rotary specific climate control), airbags, seat belts, interior lighting, audio system, troubleshooting
Engine Management Diagnostics:
OBD-II diagnostic trouble codes (DTCs), sensor data interpretation, specific rotary engine diagnostic strategies, troubleshooting common RX-8 issues
Maintenance Procedures:
Oil changes (rotary specific), filter replacements, spark plug replacement (unique design), coolant flushes, brake fluid changes, air filter replacement, accessory belt inspection/replacement
Repair Procedures:
Engine rebuild (apex seals, rotor housing inspection), transmission overhaul, clutch replacement, suspension component replacement, brake caliper rebuilding, starter replacement, alternator replacement, fuel pump replacement, sensor replacement
Troubleshooting Guides:
Step-by-step diagnostic flowcharts for common and uncommon issues, symptom-based troubleshooting for engine performance, electrical gremlins, and mechanical failures
Diagnostic Procedures:
Component testing, sensor circuit analysis, pressure testing (fuel, oil), compression testing (specific rotary method), exhaust gas analysis
Installation Replacement:
Component removal and installation guidelines for major and minor parts, including torque specifications and specific sequences
Depth Of Coverage:
Comprehensive: From basic fluid checks and filter changes to complete engine and transmission overhauls, electrical system diagnostics, and bodywork repairs. Suitable for professional technicians and advanced DIY enthusiasts.
Engine Type:
Naturally Aspirated Rotary (Wankel)
Engine Displacement Cc:
1308cc (equivalent to approx. 2.6L piston displacement)
Engine Code:
13B-MSP RENESIS
Horsepower Hp:
232 hp (for manual transmission models)
Fuel Delivery:
Sequential Electronic Fuel Injection (S-EFI)
Fuel Type:
Unleaded Premium Gasoline (91 octane or higher recommended)
Oil Type:
API SG or higher, SAE 5W-30 or 10W-30 synthetic blend or full synthetic recommended for rotary engines. Specific Mazda-certified oils may exist.
Oil Capacity Liters:
Approx. 5.0 Liters (with filter)
Oil Metering System:
Automated oil injection system for lubrication of apex seals and rotor housing
Emissions Controls:
Secondary air injection system for improved emissions during cold starts and low RPM operation.
Transmission Type Standard:
6-Speed Manual Transmission (Aisin R15M-4)
Transmission Type Optional:
6-Speed Automatic Transmission (with paddle shifters on some trims)
Clutch Type:
Hydraulically actuated single dry plate clutch
Transmission Fluid Type Manual:
API GL-4, SAE 75W-90 synthetic manual transmission fluid (specific Mazda specification may apply, e.g., Mazda GL-5 Synthetic)
Transmission Fluid Capacity Manual Liters:
Approx. 2.1 Liters
Transmission Fluid Type Automatic:
Mazda ATF JWS3309 (or equivalent Dexron III/Mercon compatible fluid, verify in manual)
Differential Type:
Limited Slip Differential (LSD) on most models
Differential Fluid Type:
API GL-5, SAE 80W-90 hypoid gear oil
Differential Fluid Capacity Liters:
Approx. 1.1 Liters
NHTSA Front Impact Rating:
5 Stars
NHTSA Side Impact Rating:
5 Stars
IIHS Rating Front Impact:
Good
ABS:
Standard Anti-lock Braking System
Traction Control:
Standard Traction Control System (TCS)
Electronic Stability Control:
Standard Dynamic Stability Control (DSC)
Airbags:
Front airbags, side-impact airbags, curtain airbags (side-impact protection)
Seatbelts:
3-point seatbelts with pretensioners and load limiters
Body Structure:
Advanced rigid body structure with crumple zones designed for energy absorption
Oil Change Interval Miles Km:
Typically every 5,000 miles (8,000 km) or 6 months, but check manual for specific conditions. Rotary engines consume oil by design.
Spark Plug Replacement Interval:
Unique ignition system requires specific spark plugs. Intervals vary, typically 30,000-60,000 miles, depending on plug type and driving style. Manual will specify.
Coolant Replacement Interval:
Initial replacement around 60,000 miles, then every 30,000-50,000 miles thereafter. Use Mazda FL22 coolant.
Engine Coolant Type:
Mazda FL22 Long Life Antifreeze (Pink color) or equivalent.
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid (check manual for specific recommendation).
Common Rotary Issues:
Apex seal wear, leading to low compression and difficult starting (especially when hot). Engine flooding. Oil consumption. Ignition coil failures. Chattering noise from the front differential.
Common Chassis Issues:
Worn suspension bushings (especially rear). Clutch wear. Fuel pump failures. Catalytic converter issues.
Rotary Specific Pm:
Regularly check oil level, ensure proper warm-up and cool-down cycles, use high-quality fuel, and consider periodic fuel injector cleaning and decarbonizing procedures. Follow manual's specific rotary maintenance advice.
Mazda Rotary Heritage:
Mazda has a long and storied history with the rotary engine, dating back to the Cosmo Sport 110S in the late 1960s. The RX-7 series preceded the RX-8 and cemented Mazda's reputation for performance and rotary technology.
Rx8 Introduction:
The RX-8 was introduced for the 2004 model year as a successor to the RX-7. It represented a new direction, focusing on everyday usability and refined performance rather than pure track dominance.
2006 Model Year Updates:
For 2006, the RX-8 received minor updates, often referred to as Series 1.5 or pre-facelift, including some chassis and suspension refinements, and potentially minor interior trim changes. The manual transmission received a recalibrated clutch and flywheel.
Production Period:
2003-2012 (as model year 2004-2012)
Manufacturing Location:
Hiroshima, Japan