🏷️ Basic Information Identification Make: Lexus Model: GS300 Year: 2006 Chassis Code: S190 Codes Engine Code: 3GR-FSE 👋 Introduction Market Position Market Position: The 2006 Lexus GS300 represented Lexus's entry into the mid-size luxury sport sedan segment, directly competing with German stalwarts like the BMW 5 Series and Mercedes-Benz E-Class, as well as other Japanese luxury offerings. Competitive Analysis Competitive Analysis: Positioned as a blend of performance, comfort, and cutting-edge technology, the GS300 aimed to offer a refined driving experience with Lexus's signature reliability and build quality, often undercutting competitors on price while offering comparable or superior features. Key Features Key Features: Introduction of the second generation (S190) platform, featuring a new design language, V6 engine with DOHC VVT-i, rear-wheel drive (with optional all-wheel drive), and advanced technology integration. The manual provides the technical foundation for maintaining these features. 📋 Manual Details Coverage Areas Coverage Areas: Complete factory service and repair coverage for the 2006 Lexus GS300, including all systems, components, and procedures. Page Count Page Count: Estimated 2000+ pages (typical for a comprehensive factory service manual of this era). Manual Type Manual Type: Factory Service Repair Manual Language Language: English Format Format: Digital (PDF assumed based on description, but may be available in print). 📖 Manual Coverage Systems Covered Systems Covered: Engine mechanical (including timing, lubrication, cooling, fuel injection), engine electrical, transmission (automatic), driveline, suspension, steering, brakes (ABS, VSC, TRAC), body electrical, HVAC, SRS (Airbag), diagnostics, maintenance, emissions, wiring diagrams, chassis, interior/exterior components. Body Electrical Systems: Interior and exterior lighting, power accessories (windows, locks, mirrors), instrument cluster, warning lights, keyless entry, alarm system, wipers, horn. HVAC System: Automatic climate control operation, refrigerant servicing, component diagnosis (compressor, evaporator, condenser, blower motor, sensors), control panel troubleshooting. Driveline: Rear-wheel drive axle, driveshaft, CV joints, AWD system components (transfer case, front differential), wheel bearings. Suspension: Front double-wishbone, rear multi-link suspension, shock absorbers, springs, control arms, stabilizer bars, bushings. Steering: Electric Power Steering (EPS) system, steering column, steering gear assembly, tie rods, power steering fluid (if applicable to earlier designs). Procedures Included Procedures Included: Step-by-step repair procedures, diagnostic troubleshooting charts, removal and installation of all major components, maintenance schedules, torque specifications, adjustments, component testing, wiring schematic interpretation. Engine Diagnostics: OBD-II diagnostic trouble codes (DTCs), sensor testing (MAF, O2, TPS, ECT), actuator testing (injectors, ignition coils), fuel pressure testing, compression testing. Transmission Diagnostics: Transmission fluid level and condition check, solenoid testing, torque converter diagnosis, shift control module troubleshooting. Brake Diagnostics: ABS/VSC/TRAC system diagnosis, sensor testing (wheel speed sensors), actuator diagnosis, brake caliper and rotor replacement, brake bleeding procedures. Technical Depth Technical Depth: Comprehensive, covering basic maintenance to advanced diagnostics and complete overhaul/rebuild procedures for all major vehicle systems. Component Rebuild: Detailed instructions for engine component rebuilds (e.g., cylinder head, pistons), transmission overhaul, differential repair. Wiring Schematics: Comprehensive electrical troubleshooting guides with detailed wiring diagrams for all vehicle systems, including power distribution, grounds, and connector pinouts. Special Tools: Identification and usage instructions for specific Lexus or Toyota special tools required for certain repair procedures. 📊 Manual Specifications File Format File Format: PDF (highly searchable, printable pages). Print Quality Print Quality: High-resolution scans of original factory documentation, ensuring clarity of text, diagrams, and illustrations. Binding Type Binding Type: N/A (Digital Format). If printed, typically professional wire-o or perfect binding. Paper Type Paper Type: N/A (Digital Format). Original factory manuals were printed on high-quality, durable paper. ⚙️ Engine Specifications Primary Engine Primary Engine: 3.0L DOHC 24-Valve V6 (3GR-FSE) with VVT-i (Variable Valve Timing with intelligence). Performance Horsepower: 245 hp @ 6200 rpm Torque: 233 lb-ft @ 4500 rpm Fuel System Fuel System: Electronic Fuel Injection (EFI) with Direct Ignition System (DIS) and Electronic Throttle Control System-intelligent (ETCS-i). Cooling System Cooling System: Pressurized liquid cooling system with electric cooling fans. Lubrication System Lubrication System: Pressurized wet-sump system with oil filter. Engine Code Details Engine Code Details: 3GR-FSE (3.0L V6, Longitudinal mounting, Front engine, Single Overhead Cam with Variable Valve Timing Intelligence). Bore X Stroke Bore X Stroke: 83.0 mm x 91.8 mm Compression Ratio Compression Ratio: 10.5:1 Fuel Type Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended). 🔧 Transmission Standard Standard Transmission: 6-speed automatic electronically controlled transmission (ECT). Optional Optional Transmission: All-Wheel Drive (AWD) system available with the automatic transmission. Features Features: Artificial Intelligence (AI) shift control, Sequential Shiftmatic mode. Fluid Type Fluid Type: Toyota Genuine ATF WS (World Standard). 📐 Dimensions Exterior Length: 190.7 inches (4844 mm) Width: 71.7 inches (1821 mm) Height: 57.7 inches (1466 mm) Wheelbase: 112.2 inches (2850 mm) Weights Curb Weight: Approximately 3726 - 3900 lbs (1690 - 1769 kg) depending on configuration (RWD vs. AWD). Gross Vehicle Weight Rating: Approximately 4750 - 4900 lbs (2155 - 2223 kg). Interior Interior Volume: Approximately 96.8 cu ft Cargo Cargo Volume: Approximately 15.1 cu ft 🛡️ Safety Features Ratings NHTSA Front Impact Driver: 5-Star...
The 2006 Lexus GS300 represented Lexus's entry into the mid-size luxury sport sedan segment, directly competing with German stalwarts like the BMW 5 Series and Mercedes-Benz E-Class, as well as other Japanese luxury offerings.
Competitive Analysis
Competitive Analysis:
Positioned as a blend of performance, comfort, and cutting-edge technology, the GS300 aimed to offer a refined driving experience with Lexus's signature reliability and build quality, often undercutting competitors on price while offering comparable or superior features.
Key Features
Key Features:
Introduction of the second generation (S190) platform, featuring a new design language, V6 engine with DOHC VVT-i, rear-wheel drive (with optional all-wheel drive), and advanced technology integration. The manual provides the technical foundation for maintaining these features.
📋 Manual Details
Coverage Areas
Coverage Areas:
Complete factory service and repair coverage for the 2006 Lexus GS300, including all systems, components, and procedures.
Page Count
Page Count:
Estimated 2000+ pages (typical for a comprehensive factory service manual of this era).
Manual Type
Manual Type:
Factory Service Repair Manual
Language
Language:
English
Format
Format:
Digital (PDF assumed based on description, but may be available in print).
Comprehensive electrical troubleshooting guides with detailed wiring diagrams for all vehicle systems, including power distribution, grounds, and connector pinouts.
Special Tools:
Identification and usage instructions for specific Lexus or Toyota special tools required for certain repair procedures.
📊 Manual Specifications
File Format
File Format:
PDF (highly searchable, printable pages).
Print Quality
Print Quality:
High-resolution scans of original factory documentation, ensuring clarity of text, diagrams, and illustrations.
Binding Type
Binding Type:
N/A (Digital Format). If printed, typically professional wire-o or perfect binding.
Paper Type
Paper Type:
N/A (Digital Format). Original factory manuals were printed on high-quality, durable paper.
⚙️ Engine Specifications
Primary Engine
Primary Engine:
3.0L DOHC 24-Valve V6 (3GR-FSE) with VVT-i (Variable Valve Timing with intelligence).
Performance
Horsepower:
245 hp @ 6200 rpm
Torque:
233 lb-ft @ 4500 rpm
Fuel System
Fuel System:
Electronic Fuel Injection (EFI) with Direct Ignition System (DIS) and Electronic Throttle Control System-intelligent (ETCS-i).
Cooling System
Cooling System:
Pressurized liquid cooling system with electric cooling fans.
Lubrication System
Lubrication System:
Pressurized wet-sump system with oil filter.
Engine Code Details
Engine Code Details:
3GR-FSE (3.0L V6, Longitudinal mounting, Front engine, Single Overhead Cam with Variable Valve Timing Intelligence).
Bore X Stroke
Bore X Stroke:
83.0 mm x 91.8 mm
Compression Ratio
Compression Ratio:
10.5:1
Fuel Type
Fuel Type:
Premium Unleaded Gasoline (91 octane or higher recommended).
Approximately 3726 - 3900 lbs (1690 - 1769 kg) depending on configuration (RWD vs. AWD).
Gross Vehicle Weight Rating:
Approximately 4750 - 4900 lbs (2155 - 2223 kg).
Interior
Interior Volume:
Approximately 96.8 cu ft
Cargo
Cargo Volume:
Approximately 15.1 cu ft
🛡️ Safety Features
Ratings
NHTSA Front Impact Driver:
5-Star
NHTSA Front Impact Passenger:
5-Star
IIHS Front Offset Test:
Good
Active Features
Active Features:
Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist (BA), Vehicle Stability Control (VSC), Traction Control (TRAC), Active Headrests.
Passive Features
Passive Features:
Dual-stage front airbags, front side airbags, front and rear curtain side airbags, knee airbags (driver).
💡 Technology Features
Infotainment
Infotainment System:
Optional DVD-based navigation system, premium audio systems (Mark Levinson available), Bluetooth connectivity, voice recognition.
Driver Assistance
Driver Assistance:
Adaptive Variable Suspension (AVS), Pre-Collision System (PCS), Dynamic Radar Cruise Control (DRCC) (optional).
Connectivity
Connectivity Options:
Bluetooth hands-free phone system, USB audio input (on some models/aftermarket integration).
Lighting
Lighting:
High-Intensity Discharge (HID) Xenon headlights, LED taillights.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 5,000 miles or 6 months, whichever comes first (using synthetic oil).
Engine Air Filter Replacement:
Every 30,000 miles or 36 months.
Cabin Air Filter Replacement:
Every 15,000 miles or 18 months.
Spark Plug Replacement:
Iridium-tipped spark plugs: Every 100,000 miles.
Coolant Replacement:
Initial replacement at 100,000 miles, then every 50,000 miles thereafter. Use Toyota Super Long Life Coolant (SLLC).
Fluid Specifications
Engine Oil Specification:
SAE 5W-30, API SN or ILSAC GF-5 certified (or higher).
Engine Oil Capacity:
6.4 US quarts (6.0 L) with filter change.
Brake Fluid Specification:
SAE J1703 or FMVSS No. 116 DOT 3.
Transmission Fluid Capacity:
Approximately 4.5 US quarts (4.2 L) for initial fill, total capacity higher.
Coolant Capacity:
Approximately 8.1 US quarts (7.6 L).
Power Steering Fluid:
Use only Genuine Lexus Power Steering Fluid or equivalent specified fluid.
Differential Fluid:
Hypoid gear oil SAE 80W-90 API GL-5.
Known Issues
Known Issues:
Carbon buildup on intake valves (due to direct injection), potential for water pump leaks, occasional electronic component failures (e.g., HVAC blower motor resistor), starter motor issues. The manual provides diagnostic procedures for these.
📚 Vehicle History
Brand Heritage
Brand Heritage:
Lexus, Toyota's luxury division, established a reputation for reliability, refinement, and exceptional customer service starting with the LS 400 in 1989.
Model Evolution
Model Evolution:
The 2006 GS300 is part of the second generation (S190) of the GS model line, which debuted for the 2006 model year, marking a significant redesign and technological advancement over its predecessor (S160).
Production
Production Location:
Japan (assembly plant TBD, typically Tahara, Aichi).
Production Years S190:
2006-2011
🏆 Awards & Recognition
Recognitions
Recognitions:
The second-generation GS generally received positive reviews for its refined ride, quiet cabin, and advanced technology. Specific awards for the 2006 model year may vary by publication, but it was recognized for its luxury segment competitiveness.
Ratings
Ratings:
Consistently rated highly for reliability by J.D. Power and Associates and Consumer Reports.