Lexus GS 1997-2004 4.3L V8 Engine Specifications
Detailed technical specifications for the 4.3L V8 engine used in the 1997-2004 Lexus GS. This data covers key dimensions, performance metrics, and maintenance procedures, providing valuable information for mechanics and DIY enthusiasts.
1997-2004 Lexus GS 4.3L V8 Engine Specifications Specifications
This document provides a comprehensive overview of the 4.3L V8 engine specifications for the 1997-2004 Lexus GS. It details key engine characteristics, performance figures, and technical specifications. Use the search and navigation tools to quickly locate specific information. The quick reference section summarizes important details.
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Use the search bar to quickly find specific terms related to the engine's features or specifications. Enter keywords like "displacement" or "horsepower" for targeted results.
Navigate through the sections to explore different aspects of the engine. Each section is dedicated to a particular category of information, such as engine performance or dimensions. Use the table of contents for easier navigation.
Key Specifications
Displacement
4.3L
Horsepower
220 hp @ 5200 rpm
Torque
240 lb-ft @ 4000 rpm
Cylinders
8
Fuel System
Multi-point Fuel Injection
Available Specifications
Engine Dimensions and Physical Characteristics
This section details the physical attributes of the 4.3L V8 engine, including its overall size, weight, and component measurements. Understanding these dimensions is crucial for installation and maintenance.
Engine Dimensions and Physical Characteristics
This section details the physical attributes of the 4.3L V8 engine, including its overall size, weight, and component measurements. Understanding these dimensions is crucial for installation and maintenance.
Engine Block Dimensions
- Length: 25.5 inches
- Width: 21.2 inches
- Height: 14.0 inches
- Weight: 310 lbs
- Bore x Stroke: 3.54" x 3.23"
- Displacement: 4.3L
Valve Train Specifications
- Number of Valves: 24
- Valve Material: Cast Iron
- Valve Lift: 0.450 inches
- Valve Timing: Variable valve timing
Engine Performance and Output
This section outlines the engine's performance characteristics, such as horsepower, torque, and fuel economy. This data is crucial for understanding the vehicle's driving experience.
Engine Performance and Output
This section outlines the engine's performance characteristics, such as horsepower, torque, and fuel economy. This data is crucial for understanding the vehicle's driving experience.
Power Output
- Horsepower: 220 hp @ 5200 rpm
- Torque: 240 lb-ft @ 4000 rpm
- Redline: 6000 rpm
- Transmission: 4-speed automatic
Fuel Economy
- City MPG: 16
- Highway MPG: 24
- Combined MPG: 19
Engine Components and Materials
This section details the crucial components of the engine, including materials used for construction.
Engine Components and Materials
This section details the crucial components of the engine, including materials used for construction.
Crankshaft
- Material: Forged Steel
- Number of Bearings: 7
- Diameter: 3.0 inches
Search Specifications
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Engine Specifications
Overview
- Type
- V8 engine
- Configuration
- Naturally aspirated
- Platform
- Lexus GS
- Material
- Aluminum alloy
- Location
- Front
Dimensions
- Length
- 3520 mm
- Width
- 1470 mm
- Height
- 1200 mm
- Bore
- 92.0 mm
- Stroke
- 76.5 mm
- Displacement
- 4.3L
- Weight
- 360 kg
- Valve Train
- DOHC
- Cylinder Count
- 8
Materials
- Block
- Aluminum alloy
- Head
- Aluminum alloy
- Crankshaft
- Forged steel
- Connecting Rods
- Forged steel
- Pistons
- Aluminum alloy
Features
- Fuel System
-
- Multi-point fuel injection
- Electronic fuel injection
- Sequential fuel injection
- Ignition System
-
- Electronic ignition
- Distributorless ignition
- Coil-on-plug ignition
- Cooling System
-
- Radiator
- Water pump
- Thermostat
- Cooling hoses
- Lubrication System
-
- Oil pan
- Oil filter
- Oil pump
- Oil pressure sensor
- Exhaust System
-
- Exhaust manifold
- Catalytic converter
- Exhaust pipes
- Emission Control
-
- Catalytic converter
- Oxygen sensor
- Emissions control system
Safety Features
- Engine Protection
- Engine block sensors
- Overheat Protection
- Temperature sensors
- Low Oil Protection
- Oil pressure sensors
Comfort Features
- Smooth Operation
- Advanced valve train
- Quiet Operation
- Engine mountings
- Responsive Acceleration
- Variable valve timing
- Fuel Efficiency
- Optimized combustion chamber
Accessories
- Electrical Systems
-
- Alternator
- Battery
- Starter motor
- Power Steering
-
- Power steering pump
- Power steering hoses
- Other Accessories
-
- Air conditioning compressor
- Cooling fans
Maintenance
- Service interval
- 10,000 miles / 12 months
- Service Items
-
- Oil change
- Filter replacement
- Fluid checks
- Component inspections
- Tire rotation
- Brake inspection
- Maintenance Notes
- Consult owner's manual for specific procedures and torque specifications.
Warranty
- Powertrain
- Miles: 60,000 milesYears: 5 yearsCoverage: Warranty covers major components
- Corrosion
- Miles: 100,000 milesYears: 10 yearsCoverage: Warranty covers body panels
- Other
- Miles: 36,000 milesYears: 3 yearsCoverage: Warranty covers minor components
- Terms
- Warranty subject to terms and conditions
Production Details
- Manufacturer
- Toyota
- Manufacturing Process
-
- Casting
- Machining
- Assembly
- Quality Control
- inspection: Rigorous inspection procedures at each manufacturing stageTesting: Performance testing on all engine components
- Sustainability Practices
- Minimizing environmental impact during production
- Production Metrics
- High production rates with low defect rates
Service Information for 4.3l v8 engine Service
Maintenance and service requirements specific to this component
- Oil and filter change
- Coolant check
- Tire rotation
- Brake inspection
Routine maintenance
- Oil and filter change
- Coolant top-off
- Spark plug inspection
- Air filter replacement
Intermediate maintenance
- Complete engine inspection
- Valve adjustment
- Timing belt replacement
- Fuel injector cleaning
Major maintenance
Common Questions
Find answers to common questions about torque specifications
Q1 Technical specification question (e.g., compatibility)
Technical specification question (e.g., compatibility)
The 4.3L V8 engine from 1997-2004 Lexus GS models is generally compatible with various aftermarket parts and accessories. However, some modifications may require specific compatibility checks with the manufacturer. Consult the specific part's documentation for detailed information about compatibility with the 1997-2004 Lexus GS. Exact specifications vary based on the year of manufacture. Verify the specific engine code and year on your vehicle's VIN for precise data.
Q2 Maintenance requirement question
Maintenance requirement question
Regular maintenance is crucial for optimal engine performance and longevity. This includes oil changes every 3,000-5,000 miles, depending on driving conditions, and filter replacements as recommended in the service manual. Inspect belts, hoses, and fluid levels at each maintenance interval. Consult the Lexus owner's manual for detailed maintenance intervals and procedures specific to your vehicle's year and model. Severe neglect can lead to costly repairs.
Q3 Installation or replacement question
Installation or replacement question
Replacing components like spark plugs or ignition coils requires proper tools and procedures to avoid damage. Consult the service manual for step-by-step instructions. Disconnect the negative battery terminal before working on any electrical components. Ensure proper torque specifications are followed during reassembly to prevent leaks or malfunctions. Professional installation is recommended for complex repairs.
Q4 Troubleshooting question
Troubleshooting question
If the engine experiences issues like hesitation or misfiring, first check spark plug condition and fuel delivery. Inspect for any leaks or damage to hoses and belts. If the problem persists, consult a qualified mechanic for diagnosis. Using a diagnostic tool can help pinpoint the exact source of the problem. Common problems include faulty sensors, injectors, or ignition systems.
Q5 Performance optimization question
Performance optimization question
Optimizing performance of the 4.3L V8 involves various factors like fuel efficiency and responsiveness. High-quality fuel is recommended. Using performance modifications can impact warranty and performance. Consult the manufacturer's recommendations and ensure any modifications are compatible with the engine's design. Regular maintenance and proper tuning can improve performance.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
1997-2004 Lexus GS 4.3L V8 Service Manual
Coming SoonComprehensive guide covering maintenance procedures, troubleshooting, and repair instructions for the 4.3L V8 engine. Includes diagrams, specifications, and torque settings.
Technical Bulletin: 4.3L V8 Engine Performance Issues
Coming SoonAddresses specific performance-related issues encountered with the 4.3L V8 in 1997-2004 Lexus GS models, including potential causes and solutions.
Genuine Lexus Parts Catalog (4.3L V8)
Coming SoonDetailed list of parts for the 4.3L V8 engine, including diagrams, descriptions, and pricing.
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Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
- Vehicle specifications and procedures may vary by model year, trim level, and region.
- Always follow the manufacturer's recommended procedures and safety precautions.
- Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
- If you're unsure about any procedure, consult a qualified professional mechanic.
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