🏷️ Basic Information Identification Make: Lexus Model: RX300 Year: 1999 Codes Chassis Code: MCU10 Engine Code Primary: 1MZ-FE 👋 Introduction Market Position Segment: Luxury Compact SUV Key Differentiator: First luxury SUV offering from Lexus, blending car-like comfort with SUV utility. Competitive Analysis Primary Competitors: Acura SLX, BMW X5 (later models), Mercedes-Benz M-Class (later models), Land Rover Discovery. Key Features Vehicle Powertrain Innovation: Utilized a refined V6 engine and advanced automatic transmission, uncommon in SUVs of its era. Luxury Appointments: Standard leather seating, premium audio, climate control, and advanced safety features for its time. 📋 Manual Details Coverage Areas Systems Covered Overview: Comprehensive service and repair for all aspects of the 1999 Lexus RX300. Page Count Estimated Pages: 1500+ Manual Type Type: Factory Service Manual / Repair Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Engine Mechanical: Complete disassembly, inspection, assembly, and tuning of the 1MZ-FE engine. Engine Electrical: Ignition system, fuel injection system (EFI), emission control systems, sensors, actuators, and ECU diagnostics. Transmission: U140F 4-speed automatic transmission repair, overhaul, and electronic control diagnostics. Drivetrain: Front-wheel drive (FWD) and all-wheel drive (AWD) system service, including differentials and CV joints. Suspension: Front MacPherson strut and rear trailing arm suspension service, alignment specifications, and component replacement. Brakes: Front ventilated disc and rear solid disc brake system service, including ABS operation and diagnostics. Steering: Power steering system maintenance, component replacement, and steering linkage service. Cooling System: Radiator, fan, thermostat, water pump, and coolant flow diagnostics. Fuel System: Fuel tank, pump, lines, injectors, and pressure testing. Exhaust System: Muffler, catalytic converter, and pipe replacement and inspection. HVAC: Air conditioning system servicing, heater core replacement, and climate control diagnostics. Electrical Body: Lighting, power accessories, interior/exterior trim removal, and body panel repair. Chassis Electrical: Wiring diagrams, fuse box locations, diagnostic trouble codes (DTCs), and troubleshooting procedures. Procedures Included Maintenance Procedures: Oil changes, filter replacements, spark plug replacement, fluid checks and flushes. Repair Procedures: Engine component replacement, transmission overhaul, brake caliper/rotor replacement, suspension arm replacement. Diagnostic Procedures: Troubleshooting guides for common drivability issues, electrical faults, and system malfunctions using diagnostic tools. Troubleshooting: Step-by-step guides for identifying and resolving specific problems across all vehicle systems. Technical Depth Depth Level: Expert-level; covers from routine maintenance to complete engine and transmission rebuilds, including electronic system diagnostics. 📊 Manual Specifications File Format File Type: PDF Searchability: Fully searchable text for quick information retrieval. Printable: Yes, designed for printing specific sections or the entire manual. Print Quality Image Resolution: High-resolution images, diagrams, and schematics. Binding Type Binding Type Physical: N/A (Digital Format) Paper Type Paper Type Physical: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Family: 1MZ-FE V6 Displacement: 3.0 Liters (2995 cc) Configuration: 60-degree V6, DOHC, 24 valves Performance Horsepower: 220 hp @ 5800 rpm Torque: 224 lb-ft @ 4400 rpm Fuel System Induction: Multi-point fuel injection (MPI) Fuel Type: Unleaded Regular (87 Octane) Lubrication Oil Type: SAE 5W-30 API Service Grade SG or SH Oil Capacity: 4.5 US Quarts (4.3 Liters) with filter change Cooling System Coolant Type: Toyota Super Long Life Coolant (SLLC) Pink or equivalent ethylene glycol based Coolant Capacity: 7.7 US Quarts (7.3 Liters) Ignition System Spark Plugs: NGK BKR6EP-11 (Iridium - recommended) 🔧 Transmission Standard Type: U140F 4-speed Automatic Transaxle Optional Drive Type: Available in Front-Wheel Drive (FWD) and All-Wheel Drive (AWD) Features Transmission Control: Electronically Controlled Transmission (ECT) with Power and Normal modes. Fluid Specifications Transmission Fluid Type: Dexron III (or equivalent WS - World Standard) Transmission Fluid Capacity: 3.0 US Quarts (2.8 Liters) for refill 📐 Dimensions Exterior Length: 184.6 inches (4690 mm) Width: 71.5 inches (1816 mm) Height: 66.7 inches (1694 mm) Wheelbase: 103.0 inches (2616 mm) Ground Clearance: 7.3 inches (185 mm) Weights Curb Weight FWD: 3,748 lbs (1700 kg) Curb Weight AWD: 3,902 lbs (1770 kg) Gross Vehicle Weight Rating: 4,980 lbs (2260 kg) Cargo Cargo Volume Behind 2Nd Row: 37.1 cu ft (1050 liters) Cargo Volume With 2Nd Row Folded: 67.3 cu ft (1905 liters) Wheels Tires Standard Tire Size: P225/70R16 Optional Tire Size: P235/60R17 (with optional wheels) Wheel Bolt Pattern: 5 x 114.3 mm Wheel Size Standard: 16 x 6.5 inches 🛡️ Safety Features Ratings NHTSA Front Impact Driver: 5-Star NHTSA Front Impact Passenger: 5-Star IIHS Front Offset Crash Test: Good Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Optional Traction Control System (TCS) Passive Features Airbags Front: Standard driver and front passenger airbags Body Structure: Reinforced cabin structure with front and rear crumple zones. 💡 Technology Features Infotainment Audio System: Premium Mark Levinson audio system available on higher trims, featuring multiple speakers and CD changer. Navigation System: Optional factory navigation system with touchscreen interface. Driver Assistance Cruise Control: Standard Cruise Control. Headlights: Optional HID (High-Intensity Discharge) headlamps. Connectivity Smartphone Integration: None (vehicle predates widespread smartphone integration). 🔧 Maintenance Service Intervals Oil...