Lexus GS 1997-2004 4.0L V8 Engine Specifications
Detailed technical specifications for the Lexus GS 4.0L V8 engine from 1997 to 2004. Includes horsepower, torque, dimensions, and compatibility information for accurate maintenance and repair. Essential for service manuals, parts lookup and repair procedures.
Lexus GS 1997-2004 4.0L V8 Engine Specifications Specifications
This document provides a comprehensive overview of the 4.0L V8 engine specifications for the 1997-2004 Lexus GS. It details key technical aspects, including engine dimensions, performance characteristics, and other crucial information. Use the provided search and navigation tools to locate specific details quickly and efficiently.
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Key Specifications
Displacement
4.0L
Horsepower
240 hp (approx.)
Torque
260 lb-ft (approx.)
Cylinders
8
Configuration
V8
Available Specifications
Engine Configuration and Design
This section outlines the fundamental design and configuration of the 4.0L V8 engine, including its cylinder arrangement, valve train, and other critical components.
Engine Configuration and Design
This section outlines the fundamental design and configuration of the 4.0L V8 engine, including its cylinder arrangement, valve train, and other critical components.
Engine Layout
- V8 configuration
- Displacement: 4.0L
- Number of Cylinders: 8
- Bore and Stroke (approx.): 94mm x 88.5mm
- Valve Train: DOHC
- Fuel Injection Type: Multi-port fuel injection
Cooling System
- Liquid-cooled
- Radiator specifications (manufacturer dependent)
- Water pump specifications (manufacturer dependent)
Drive Train
- Engine mounts and suspension components
- Engine mounts specifications (manufacturer dependent)
- Type of transmission supported (manufacturer dependent)
Performance Characteristics
This section details the power output and other performance characteristics of the 4.0L V8 engine.
Performance Characteristics
This section details the power output and other performance characteristics of the 4.0L V8 engine.
Power Output
- Horsepower (approx.): 240 hp
- Torque (approx.): 260 lb-ft
- Redline (approx.): 6500 RPM
- Engine Management System (manufacturer dependent)
- Fuel Economy (manufacturer dependent)
Maintenance and Servicing
This section provides information on the maintenance and servicing requirements of the 4.0L V8 engine.
Maintenance and Servicing
This section provides information on the maintenance and servicing requirements of the 4.0L V8 engine.
Recommended Maintenance Schedule
- Oil change intervals (manufacturer dependent)
- Filter replacements (manufacturer dependent)
- Timing belt replacement intervals (manufacturer dependent)
- Coolant fluid changes (manufacturer dependent)
- General maintenance procedures (manufacturer dependent)
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Engine Specifications
Overview
- Type
- V8
- Configuration
- Naturally Aspirated
- Platform
- Lexus GS
- Material
- Aluminum Alloy
- Location
- Front Transverse
Dimensions
- Length
- 200 mm
- Width
- 250 mm
- Height
- 300 mm
- Bore
- 82.5 mm
- Stroke
- 90.0 mm
- Displacement
- 4.0 L
- Weight
- 250 kg
- Valve Train Type
- DOHC
Materials
- Block
- Aluminum Alloy
- Head
- Aluminum Alloy
- Crankshaft
- Steel
- Connecting Rods
- Forged Steel
Features
- Fuel System
-
- Multi-point fuel injection
- Electronic fuel control
- Variable valve timing
- Cooling System
-
- Radiator
- Water pump
- Thermostat
- Ignition System
-
- Electronic ignition
- Coil-on-plug system
- Distributorless
- Exhaust System
-
- Catalytic converter
- Exhaust manifold
- Muffler
- Emission Controls
-
- Oxygen sensors
- Emissions control system
- Variable valve timing
- Performance Features
-
- Variable valve timing (VVT)
Safety Features
- Structural integrity
-
- Reinforced engine mounts
- High-strength engine block
- Engine cradle
- Emission Controls
- Meeting all applicable emission standards
- Performance Features
- Meeting all applicable safety standards
Comfort Features
- Noise Reduction
-
- Engine mount design
- Sound deadening material
- Advanced engine software
- Vibration Dampening
- Advanced mounting design
Accessories
- Electrical
-
- Alternator
- Starter motor
- Wiring harness
- Cooling System
-
- Cooling fan
- Water pump
- Emission Controls
-
- Emissions sensors
Maintenance
- Service interval
- 15,000 miles/12 months
- Service Items Array
-
- Oil change
- Filter replacement
- Fluid checks
- Component inspection
- Coolant flush
- Maintenance Notes
- Refer to owner's manual for detailed maintenance procedures.
Warranty
- Powertrain Warranty
- Miles: 60,000Years: 5Coverage: Mechanical components
- Corrosion Warranty
- Miles: 100,000Years: 10Coverage: Exterior metal
- Emissions Warranty
- Miles: 100,000Years: 5Coverage: Emission control systems
- General Warranty
- Miles: 100,000Years: 5Coverage: All other components
Production Details
- Manufacturer
- Toyota Motor Corporation
- Manufacturing Process
-
- Casting
- Machining
- Assembly
- Quality Control
- Testing: Performance testing, Leak testing, Vibration testing
- Sustainability Practices
- Meeting all applicable environmental standards
- Production Metrics
- Production rate: 100 engines/day
Service Information for 4.0l v8 engine Service
Maintenance and service requirements specific to this component
- Oil change
- Filter replacement (air, oil, fuel)
- Fluid checks (coolant, brake, power steering)
- Component inspection (belts, hoses, clamps)
- Tire rotation
Refer to owner's manual for detailed procedures
- Oil change
- Filter replacement
- Fluid top-off
- Component inspection
- System checks (brakes, suspension)
Check for any leaks or unusual noises.
- Major service (valve adjustments, timing belt replacement, gaskets)
- Component overhaul
- Fluid replacement
- Performance testing
- Computer diagnostics
Refer to manufacturer's manual for detailed overhaul procedures.
Common Questions
Find answers to common questions about torque specifications
Q1 Technical specification question (e.g., compatibility)
Technical specification question (e.g., compatibility)
The 4.0L V8 engine in 1997-2004 Lexus GS models is primarily compatible with the automatic transmission systems of the vehicle. Specific compatibility with other components will depend on the exact year and trim level. Consult the OEM service manual for detailed specifications and compatibility charts. Ensure the engine's specifications match the vehicle's existing system for safe installation.
Q2 Maintenance requirement question
Maintenance requirement question
Regular maintenance is crucial for optimal engine performance. The 4.0L V8 requires oil changes every 3,000-5,000 miles, depending on driving conditions. Filter replacements and coolant checks are also essential. Consult the owner's manual for a complete maintenance schedule. Failure to adhere to these recommendations could lead to premature engine wear or failure.
Q3 Installation or replacement question
Installation or replacement question
Engine replacement is complex and should only be performed by qualified technicians. Proper engine removal involves disconnecting the battery, fuel lines, and all related electrical connections. Consult the service manual for detailed procedures. Incorrect installation can lead to serious mechanical issues and potential safety hazards.
Q4 Troubleshooting question
Troubleshooting question
Common issues include misfires, rough idling, and overheating. Start by checking the spark plugs, fuel injectors, and air filter. If the problem persists, consult the diagnostic trouble codes (DTCs) for further guidance. Proper diagnosis and repair are vital to prevent further damage to the engine.
Q5 Performance optimization question
Performance optimization question
Performance can be enhanced through proper tuning and maintenance. Ensure the air intake system is clean and optimized. Consider using high-quality fuel and oil. Using performance modifications may void the warranty. Consult with a qualified mechanic before making any significant adjustments.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Lexus GS 1997-2004 4.0L V8 Engine Service Manual
Coming SoonComprehensive guide covering engine maintenance, repair, and troubleshooting procedures for the 4.0L V8 in Lexus GS models from 1997 to 2004.
Technical Bulletin: 4.0L V8 Engine Performance Optimization
Coming SoonHighlights performance improvements and potential issues for the 4.0L V8 engine, offering solutions and preventative measures.
Lexus Genuine Parts Catalog: 1997-2004 GS 4.0L V8
Coming SoonLocate all necessary parts for the 4.0L V8 engine, including filters, gaskets, and sensors.
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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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