🏷️ Basic Information Identification Make: Lexus Model: GS300/GS400 Model Generation: Second Generation (S160) Model Year: 2000 Codes Chassis Code: S160 Gs300 Engine Code: 2JZ-GE Gs400 Engine Code: 1UZ-FE 👋 Introduction Market Position Market Segment: Luxury sport sedan, competing with vehicles like the BMW 5 Series, Mercedes-Benz E-Class, and Audi A6. Competitive Analysis Key Competitors 2000: BMW 5 Series (E39), Mercedes-Benz E-Class (W210), Audi A6 (C5), Acura RL. Key Features Gs300 Engine Highlights: Smooth, reliable, and potent 3.0L inline-six engine with proven durability, known for its sequential port fuel injection and variable valve timing (VVT-i). Gs400 Engine Highlights: Powerful 4.0L V8 engine offering strong torque and effortless acceleration, a hallmark of Lexus's V8 engineering. Suspension Technology: Sophisticated independent suspension systems designed for a balance of ride comfort and dynamic handling, often featuring advanced shock absorber technology. Luxury Appointments: Premium interior materials, advanced features for the era, and a focus on quiet, refined operation. 📋 Manual Details Coverage Areas Coverage: Complete Service and Repair for 2000 Lexus GS300 and GS400 models. Page Count Page Count: Detailed page count not provided in product description, but implied to be comprehensive. Manual Type Manual Type: Service Repair Manual Language Language: English Format Format: Likely digital (PDF) given typical online sales, or a bound physical copy. Specific format not explicitly stated, but designed for repair information delivery. 📖 Manual Coverage Systems Covered Engine Systems: Engine mechanical, lubrication, cooling, fuel delivery, ignition, emissions, engine control systems (ECU/ECM), troubleshooting. Transmission Systems: Automatic transmission (A650E for GS300, 4-speed auto for GS400), shifting mechanisms, hydraulic control, transmission control module (TCM), service and overhaul. Drivetrain Systems: Driveshaft, differential, axles, wheel bearings, troubleshooting and repair. Suspension Systems: Front and rear suspension, shock absorbers, springs, control arms, bushings, alignment specifications, troubleshooting. Steering Systems: Power steering system, steering rack, tie rods, steering column, fluid specifications, repair procedures. Brake Systems: Front and rear brakes (disc), ABS (Anti-lock Braking System), EBD (Electronic Brake-force Distribution), brake fluid specifications, caliper and rotor service, troubleshooting. Electrical Systems: Battery, charging system (alternator), starting system, lighting, wipers, horn, power accessories, fuses, relays, wiring diagrams. Engine Control Systems: ECU/ECM diagnostics, sensor functions (e.g., O2, MAF, TPS, CKP), actuator control, diagnostic trouble codes (DTCs) and their interpretation. HVAC Systems: Heating, Ventilation, and Air Conditioning system components, refrigerant, troubleshooting, and service. Body And Frame: Body panel removal and installation, interior trim, exterior trim, glass, door mechanisms, seat adjustments. Safety Systems: Airbag system (SRS) components and service precautions, seatbelt mechanisms. Procedures Included Maintenance Procedures: Oil changes, filter replacements, coolant flushes, spark plug replacement, timing belt inspection/replacement (if applicable - 2JZ-GE is a timing chain), brake fluid flushes, battery checks. Repair Procedures: Detailed step-by-step instructions for component removal, repair, and reinstallation across all major vehicle systems. Troubleshooting Guides: Diagnostic flowcharts and symptom-based troubleshooting for common and complex issues. Diagnostic Procedures: Procedures for using diagnostic tools, interpreting scan tool data, and identifying fault codes. Technical Depth Depth: Comprehensive, covering basic maintenance to advanced diagnostics and complete mechanical/electrical component overhauls. Detail Level: Includes torque specifications, tightening sequences, special tool requirements, and precise measurement data for accurate repairs. 📊 Manual Specifications File Format File Format: Typically PDF for digital versions, allowing for searchable text and printing. Print Quality Print Quality: Assumed high-quality, clear diagrams and text suitable for professional use if printed. Binding Type Binding Type: If physical, likely bound for durability in a workshop environment. Paper Type Paper Type: If physical, expected to be on durable paper stock resistant to workshop conditions. ⚙️ Engine Specifications Primary Engine Gs300 Engine Type: Naturally Aspirated, Inline 6-cylinder Gs300 Displacement: 2,997 cc (3.0 Liters) Gs300 Bore X Stroke: 86.0 mm x 86.0 mm Gs300 Compression Ratio: 10.5:1 Gs300 Horsepower: 220 hp @ 5,800 rpm Gs300 Torque: 220 lb-ft @ 4,800 rpm Gs300 Valvetrain: DOHC, 24 Valves, VVT-i Gs300 Fuel Delivery: Sequential Electronic Fuel Injection (SEFI) Gs300 Engine Code Full: 1JZ-GTE (Twin Turbo - less common for this model year and spec, more typically the 2JZ-GE). Gs300 Timing Drive: Timing Chain Secondary Engine Gs400 Engine Type: Naturally Aspirated, V8 Gs400 Displacement: 4.0 Liters (3,969 cc) Gs400 Bore X Stroke: 87.5 mm x 82.5 mm Gs400 Compression Ratio: 10.0:1 Gs400 Horsepower: 300 hp @ 6,000 rpm Gs400 Torque: 310 lb-ft @ 4,000 rpm Gs400 Valvetrain: DOHC, 32 Valves, VVT-i Gs400 Fuel Delivery: Sequential Electronic Fuel Injection (SEFI) Gs400 Timing Drive: Timing Chain Performance Gs300 0 60 Mph: Approx. 7.0 - 7.5 seconds Gs400 0 60 Mph: Approx. 6.0 - 6.5 seconds Fuel System Recommended Fuel: Premium Unleaded Gasoline (91 Octane or higher) Fuel Tank Capacity: 17.5 gallons (66 Liters) 🔧 Transmission Standard Gs300 Transmission: 5-speed Automatic (A650E) Gs400 Transmission: 4-speed Electronically Controlled Automatic (ECT) Optional Optional Transmission Availability: No manual transmission option available for either model in 2000. Features Shift Modes: ECT (Electronically Controlled Transmission) modes for Normal and Power driving. Transmission Fluid Type:...