Engine Mechanical:
Complete engine disassembly, inspection, repair, and reassembly. Rotary engine specifics, apex seals, rotor housing, eccentric shaft, lubrication system.
Engine Electrical:
Ignition system, starting system, charging system, wiring diagrams, component testing.
Emission Control:
Exhaust systems, emission control devices, troubleshooting emission-related issues.
Fuel System:
Fuel tank, fuel lines, fuel pump, carburetor (likely Zenith Stromberg or similar), troubleshooting fuel delivery.
Clutch System:
Clutch operation, hydraulic system, clutch disc, pressure plate, release bearing, adjustment and replacement.
Manual Transaxle:
Gearbox disassembly, inspection, repair, lubrication, shift linkage.
Automatic Transaxle:
Automatic transmission diagnosis, adjustment, fluid changes, and minor repairs (if applicable to specific models).
Driveshaft Axle:
Driveshaft, universal joints, rear axle assembly, wheel bearings.
Suspension System:
Front and rear suspension components, shock absorbers, springs, bushings, alignment specifications.
Steering System:
Steering column, steering box/rack and pinion, tie rods, power steering system (if equipped), alignment.
Restraint System:
Seat belts, structural integrity related to safety.
Brake System:
Front and rear brakes (likely disc front, drum rear), hydraulic system, master cylinder, brake lines, pads/shoes, bleeding procedures.
Body Interior Exterior:
Body panel repair, door mechanisms, window regulators, trim components, interior trim, weatherstripping.
Body Electrical:
Headlights, taillights, interior lighting, wipers, horn, dashboard instruments, wiring schematics.
HVAC:
Heating, ventilation, and air conditioning system diagnosis and repair (if equipped).
Maintenance:
Routine maintenance, fluid changes, filter replacements, lubrication, tune-ups.
Troubleshooting:
Diagnostic procedures for common and uncommon problems across all vehicle systems.
Repair:
Detailed step-by-step repair instructions for virtually all mechanical and electrical components.
Diagnostics:
System-specific diagnostics, including electrical testing and mechanical checks.
Wiring Schematics:
Comprehensive electrical wiring diagrams for various systems and trim levels.
Specifications:
Torque specifications, clearances, fluid capacities, electrical values, diagnostic parameters.
Depth Level:
Comprehensive (from basic maintenance to major overhauls).
User Target Audience:
DIY enthusiasts, independent mechanics, professional technicians.
Engine Type:
Rotary (Wankel)
Engine Code Rx2 12A:
12A (typically 1.3L equivalent)
Engine Code Rx3 12A:
12A (typically 1.3L equivalent)
Engine Code Rx3 12B:
12B (later models, potentially twin-rotor, higher displacement)
Horsepower Range 12A:
Approximately 100-120 hp (depending on specific trim and tuning)
Torque Range 12A:
Approximately 115-130 lb-ft (depending on specific trim and tuning)
Carburetion Type:
Single or Dual Barrel Carburetor (e.g., Zenith Stromberg, Hitachi)
Fuel Type:
Unleaded Gasoline (Octane rating as per manual)
Fuel Pump Type:
Mechanical or Electric (model dependent)
Body Styles:
Coupe, Sedan, Hardtop Coupe (RX-2); Coupe, Sedan, Wagon (RX-3)
Wheelbase Rx2 Sedan:
Approx. 97.0 inches (2465 mm)
Wheelbase Rx2 Coupe:
Approx. 97.0 inches (2465 mm)
Wheelbase Rx3 Sedan:
Approx. 97.0 inches (2465 mm)
Wheelbase Rx3 Coupe:
Approx. 97.0 inches (2465 mm)
Wheelbase Rx3 Wagon:
Approx. 97.0 inches (2465 mm)
Curb Weight Range:
Approx. 2200 - 2600 lbs (1000 - 1180 kg), varies by body style and equipment.
Oil Change Interval:
Typically every 3,000-5,000 miles or 3-6 months, consult manual for specifics.
Spark Plug Replacement:
Intervals vary; manual will specify correct plug type and replacement schedule.
Rotor Oil Level:
Regular checks and topping up are crucial for rotary longevity.
Engine Oil Type:
API SF or SG rated, SAE 10W-30 or 10W-40 recommended (check manual for precise viscosity and API rating).
Transmission Fluid Manual:
GL-4 Gear Oil, SAE 75W-90 or 80W-90 (verify with manual).
Transmission Fluid Automatic:
Dexron III or equivalent (verify with manual).
Brake Fluid:
DOT 3 or DOT 4 brake fluid (verify with manual).
Coolant:
Ethylene Glycol based antifreeze, 50/50 mix with distilled water (verify manual).
Rotary Engine Wear:
Apex seal wear is a primary concern for high-mileage rotary engines; requires rebuild.
Carburetor Issues:
Tuning and maintenance of carburetors can be critical for smooth operation.
Rust And Corrosion:
Common issue on vehicles of this age, especially in rust-prone climates.
Electrical Gremlins:
Aging wiring harnesses and connections can lead to intermittent electrical faults.
