🏷️ Basic Information Identification Make: Lexus Model: GS300 Year: 2006 Generation Generation Code: S190 Codes Chassis Code: JZS190 👋 Introduction Market Position Segment: Luxury Mid-Size Sedan Competitors: BMW 5 Series, Mercedes-Benz E-Class, Audi A6, Acura RL, Infiniti M Key Features Luxury Appointments: High-quality interior materials, advanced comfort features, sophisticated styling Performance: Smooth and refined powertrain, balanced handling, emphasis on comfort Reliability: Lexus reputation for build quality and long-term dependability 📋 Manual Details Coverage Areas Covered Systems: Engine, Transmission, Drivetrain, Suspension, Steering, Brakes, HVAC, Electrical, Body, Interior, Diagnosis, Maintenance Page Count Estimated Pages: ~2000-3000 (typical for comprehensive factory service manuals) Manual Type Type: Factory Service Manual / Repair Manual Language Language: English Format Format: Digital (likely PDF) 📖 Manual Coverage Systems Covered Engine Mechanical: Cylinder head, block, pistons, crankshaft, camshafts, timing system, lubrication, cooling Engine Control: Fuel injection, ignition system, emissions control, ECU diagnostics Transmission Automatic: A760E: Operation, overhaul, diagnosis, fluid specifications Drivetrain: Axles, differentials, driveshafts, AWD system (if applicable) Suspension: Front and rear suspension components, alignment specifications, shocks, springs Steering: Power steering system, steering column, wheel alignment Brakes: Hydraulic system, ABS, VSC, brake pad/rotor replacement, bleeding procedures Electrical System: Battery, charging system, starter, lighting, power windows, locks, mirrors HVAC: Air conditioning, heating, ventilation, climate control system Body Exterior: Body panels, doors, hood, trunk, bumpers, glass, exterior trim Body Interior: Seats, dashboard, console, door panels, headliner, carpets Safety Systems: Airbags, seatbelts, SRS module Diagnostic Troubleshooting: OBD-II codes, DTC troubleshooting flowcharts, symptom-based diagnostics Procedures Included Maintenance Procedures: Oil changes, filter replacements, fluid checks/changes, spark plug replacement, belt inspection/replacement Repair Procedures: Component removal, installation, and overhaul for all major systems Troubleshooting Guides: Detailed diagnostic trees for common and uncommon issues Electrical Diagnostics: Wiring diagrams, component testing, circuit diagnosis Body Repair: Panel alignment, door hinge adjustment, glass replacement Specifications Torque: Torque specifications for all fasteners and critical components Technical Depth Depth: Comprehensive, covering everything from basic maintenance to complete engine and transmission rebuilds, including electrical diagnostics and bodywork. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text for quick information retrieval Print Quality Resolution: High-resolution for clear diagrams and text Diagrams: Detailed illustrations and exploded views Binding Type Binding: N/A (Digital Format) Paper Type Paper Quality: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Code: 2GR-FSE Engine Type: 3.5L V6, DOHC, 24-valve, Dual VVT-i Bore X Stroke: 94.0 mm x 83.0 mm Compression Ratio: 12.0:1 Performance Horsepower: 273 hp @ 6200 rpm Torque: 257 lb-ft @ 4700 rpm Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) with D-4S (Direct Injection and Port Injection) Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended) Lubrication Oil Capacity: 6.4 US quarts (6.1 liters) with filter change Recommended Oil: SAE 0W-20 (API SN/SP, ILSAC GF-6) Cooling System Coolant Capacity: 7.4 US quarts (7.0 liters) Recommended Coolant: Toyota Super Long Life Coolant (SLLC) - Pink 🔧 Transmission Standard Transmission Type: 6-speed automatic with Sequential Shift Transmission Code: A760E Features Transmission Features: Electronically controlled, Artificial Intelligence (AI) shift control, Lock-up torque converter Fluid Specifications Transmission Fluid Type: Toyota ATF WS (World Standard) Fluid Capacity Transmission Fluid Capacity: Approx. 4.3 US quarts (4.1 liters) for dry fill 📐 Dimensions Exterior Length: 190.0 in (4826 mm) Width: 71.7 in (1821 mm) Height: 56.7 in (1440 mm) Wheelbase: 112.2 in (2850 mm) Front Track: 61.6 in (1565 mm) Rear Track: 61.2 in (1555 mm) Weights Curb Weight: 3760 - 3836 lbs (1706 - 1740 kg) depending on configuration Gross Vehicle Weight Rating: 4750 lbs (2155 kg) Cargo Trunk Volume: 15.7 cu ft (444 liters) Wheels And Tires Standard Wheel Size: 17 x 7.5 inches Optional Wheel Size: 18 x 8.0 inches Standard Tire Size: P225/50R17 Optional Tire Size: P245/40R18 Bolt Pattern: 5 x 114.3 mm (5 x 4.5 inches) Center Bore: 60.1 mm 🛡️ Safety Features Ratings NHTSA Front Impact Driver: 5-star NHTSA Front Impact Passenger: 5-star NHTSA Side Impact Front Seat: 5-star NHTSA Side Impact Rear Seat: 5-star IIHS Front Offset Crash Rating: Good IIHS Side Crash Rating: Good Active Features Traction Control: Standard (TRAC) Electronic Stability Control: Standard (VSC - Vehicle Stability Control) Antilock Brakes: Standard (ABS) Brake Assist: Standard (BA) Electronic Brakeforce Distribution: Standard (EBD) Passive Features Airbags Front: Driver and front passenger airbags Airbags Side: Front seat-mounted side airbags Airbags Curtain: Front and rear side curtain airbags Seatbelts: 3-point ELR seatbelts with pretensioners and force limiters Active Headrests: Standard on front seats 💡 Technology Features Infotainment Navigation System: Optional DVD-based or HDD-based navigation system with touchscreen interface. Audio System: Premium Mark Levinson audio system available on higher trims, with CD changer, AM/FM, and satellite radio. Keyless Entry Start: Lexus Smart Access with push-button start. Driver Assistance Parking Assist: Optional backup camera and parking sensors. Adaptive Cruise Control: Optional Dynamic Radar Cruise Control. Connectivity Bluetooth: Available Bluetooth for hands-free calling and audio streaming. 🔧 Maintenance Service...
3760 - 3836 lbs (1706 - 1740 kg) depending on configuration
Gross Vehicle Weight Rating:
4750 lbs (2155 kg)
Cargo
Trunk Volume:
15.7 cu ft (444 liters)
Wheels And Tires
Standard Wheel Size:
17 x 7.5 inches
Optional Wheel Size:
18 x 8.0 inches
Standard Tire Size:
P225/50R17
Optional Tire Size:
P245/40R18
Bolt Pattern:
5 x 114.3 mm (5 x 4.5 inches)
Center Bore:
60.1 mm
🛡️ Safety Features
Ratings
NHTSA Front Impact Driver:
5-star
NHTSA Front Impact Passenger:
5-star
NHTSA Side Impact Front Seat:
5-star
NHTSA Side Impact Rear Seat:
5-star
IIHS Front Offset Crash Rating:
Good
IIHS Side Crash Rating:
Good
Active Features
Traction Control:
Standard (TRAC)
Electronic Stability Control:
Standard (VSC - Vehicle Stability Control)
Antilock Brakes:
Standard (ABS)
Brake Assist:
Standard (BA)
Electronic Brakeforce Distribution:
Standard (EBD)
Passive Features
Airbags Front:
Driver and front passenger airbags
Airbags Side:
Front seat-mounted side airbags
Airbags Curtain:
Front and rear side curtain airbags
Seatbelts:
3-point ELR seatbelts with pretensioners and force limiters
Active Headrests:
Standard on front seats
💡 Technology Features
Infotainment
Navigation System:
Optional DVD-based or HDD-based navigation system with touchscreen interface.
Audio System:
Premium Mark Levinson audio system available on higher trims, with CD changer, AM/FM, and satellite radio.
Keyless Entry Start:
Lexus Smart Access with push-button start.
Driver Assistance
Parking Assist:
Optional backup camera and parking sensors.
Adaptive Cruise Control:
Optional Dynamic Radar Cruise Control.
Connectivity
Bluetooth:
Available Bluetooth for hands-free calling and audio streaming.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 5,000 miles (8,000 km) or 6 months, whichever comes first (under normal driving conditions). Refer to manual for severe driving conditions.
Engine Air Filter:
Inspect every 15,000 miles (24,000 km), replace as needed. Replace every 30,000 miles (48,000 km) under normal conditions.
Cabin Air Filter:
Inspect/replace every 15,000 miles (24,000 km) or 12 months.
Spark Plugs:
Iridium tipped plugs: Replace at 100,000 miles (160,000 km).
Transmission Fluid Change:
Every 60,000 miles (96,000 km) or as specified by Lexus maintenance schedule (often considered 'lifetime' by some but recommended for proactive maintenance).
Coolant Replacement:
First replacement at 100,000 miles (160,000 km) or 10 years, then every 50,000 miles (80,000 km) or 5 years thereafter.
Fluid Specifications
Brake Fluid Type:
SAE J1703 or FMVSS 116 DOT 3
Power Steering Fluid Type:
Dexron III compatible or Toyota Genuine Power Steering Fluid
Known Issues
Carbon Buildup:
Potential for carbon buildup on intake valves due to direct injection system. The service manual will likely detail cleaning procedures.
Water Pump Leaks:
Some instances of water pump leaks have been reported. Manual will cover replacement procedure.
HVAC Blend Door Actuators:
Common issue in many Lexus models where actuators can fail, causing temperature control problems. Manual will provide diagnostic and replacement steps.
Oil Consumption:
While generally reliable, some V6 engines can exhibit slightly higher oil consumption. The manual will detail checking oil levels and potential causes.
📚 Vehicle History
Brand Heritage
Brand Philosophy:
Commitment to quality, luxury, reliability, and customer service.
Model Evolution
Gs Lineage:
The GS line has been Lexus's entry into the mid-size luxury sport sedan segment since 1991.
Generation S190:
This is the second generation of the GS to feature the V6 powertrain, replacing the previous inline-six. Introduced for the 2006 model year, it marked a significant redesign with a more aggressive and contemporary styling, and the introduction of the FSE engine with direct injection.
Production
Production Years:
2006-2011 (for the S190 generation)
Manufacturing Location:
Japan (primarily Tahara Plant)
🏆 Awards & Recognition
Recognitions
Reliability Rankings:
Lexus models consistently rank high in consumer satisfaction and reliability surveys from organizations like J.D. Power.
Segment Awards:
The GS often received accolades for its blend of luxury, performance, and technology within the premium sedan class.