Lexus LX 1998-2007 4.7L V8 Engine Specifications
Explore the detailed technical specifications of the 4.7L V8 engine in the 1998-2007 Lexus LX. Learn about horsepower, torque, fuel system, and more for maintenance, repair, or upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the 4.7L V8 engine used in the 1998-2007 Lexus LX. It is designed for enthusiasts, mechanics, and anyone seeking in-depth knowledge about this engine. The content is organized into sections covering performance, design, maintenance, and key specifications. Use the search and navigation instructions to quickly find the information you need.
How to Use
Use the search bar to enter keywords related to the 4.7L V8 engine, such as 'horsepower' or 'torque'. The results will highlight relevant sections and subsections for easy access.
Scroll through the sections or use the table of contents to jump to specific topics. Each section is divided into subsections with detailed technical points for quick reference.
Key Specifications
Displacement
4.7L
Horsepower
235 hp
Torque
320 lb-ft
Fuel Efficiency
14 MPG combined
Cylinder Configuration
V8
Available Specifications
Performance Specifications
This section covers the performance metrics of the 4.7L V8 engine, including horsepower, torque, and acceleration. It also includes details about fuel efficiency and towing capacity, making it ideal for those evaluating the engine's capabilities.
Performance Specifications
This section covers the performance metrics of the 4.7L V8 engine, including horsepower, torque, and acceleration. It also includes details about fuel efficiency and towing capacity, making it ideal for those evaluating the engine's capabilities.
Horsepower and Torque
- Horsepower: 235 hp @ 4800 rpm
- Torque: 320 lb-ft @ 3400 rpm
- Peak power delivered at mid-range RPM
- Smooth power delivery across the rev range
Fuel Efficiency
- City MPG: 13
- Highway MPG: 17
- Combined MPG: 14
- Designed for optimal performance in both urban and highway conditions
Engine Design
This section delves into the engineering and design features of the 4.7L V8 engine. It highlights the materials used, construction techniques, and innovative technologies that contribute to its reliability and performance.
Engine Design
This section delves into the engineering and design features of the 4.7L V8 engine. It highlights the materials used, construction techniques, and innovative technologies that contribute to its reliability and performance.
Construction and Materials
- Aluminum block and cylinder heads for reduced weight
- DOHC (Dual Overhead Cam) design
- 32-valve configuration for improved airflow
- Forged steel crankshaft for durability
Innovative Technologies
- VVT-i (Variable Valve Timing with intelligence)
- Sequential multi-port fuel injection
- Electronic throttle control system
- Low-friction components for enhanced efficiency
Maintenance and Reliability
This section provides insights into the maintenance requirements and reliability of the 4.7L V8 engine. It includes recommended service intervals, common issues, and tips for ensuring long-term performance.
Maintenance and Reliability
This section provides insights into the maintenance requirements and reliability of the 4.7L V8 engine. It includes recommended service intervals, common issues, and tips for ensuring long-term performance.
Service Intervals
- Oil change every 5,000 miles
- Spark plug replacement every 60,000 miles
- Timing belt inspection every 90,000 miles
- Coolant flush every 100,000 miles
Common Issues
- Occasional oil leaks from valve covers
- Carbon buildup in intake manifold
- Wear on timing belt tensioners
- Regular maintenance minimizes these issues
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Engine Specifications
Overview
- Type
- Naturally aspirated V8
- Configuration
- 90-degree V8
- Displacement
- 4.7 liters (4664 cc)
- Valvetrain
- DOHC, 32-valve
- Fuel System
- Sequential multi-port fuel injection
- Location
- Front longitudinal
Dimensions
- Length
- 28.5 inches (724 mm)
- Width
- 27.2 inches (691 mm)
- Height
- 26.8 inches (681 mm)
- Weight
- 480 lbs (218 kg)
- Bore
- 3.70 inches (94 mm)
- Stroke
- 3.27 inches (83 mm)
- Compression Ratio
- 10.0:1
- Oil Capacity
- 6.4 quarts (6.1 liters)
Materials
- Block
- Cast iron with aluminum alloy
- Cylinder Heads
- Aluminum alloy
- Pistons
- Forged aluminum
- Crankshaft
- Forged steel
- Valves
- Stainless steel
Features
- Performance
-
- 270-275 horsepower
- 315-320 lb-ft torque
- Variable Valve Timing with intelligence (VVT-i)
- Dual-stage intake manifold
- Efficiency
-
- Optimized combustion chamber design
- Low-friction piston rings
- Electronic throttle control
- High-flow exhaust system
- Cooling
-
- High-capacity radiator
- Dual electric cooling fans
- Oil cooler integrated into filter housing
- Ignition
-
- Direct ignition system
- Platinum-tipped spark plugs
- Coil-on-plug design
- Emissions
-
- LEV-II compliant
- Dual catalytic converters
- EGR system with cooler
Safety Features
- Engine Protection
-
- Knock sensor system
- Low oil pressure warning
- Overheat protection
- Fuel System Safety
-
- Inertia fuel shutoff
- Evaporative emissions control
- Fuel pump cutoff in crash
Comfort Features
- Noise Reduction
-
- Acoustic engine cover
- Hydraulic engine mounts
- Tuned intake silencer
- Vibration Control
-
- Balanced crankshaft
- Counter-rotating balance shafts
- Rubber-isolated accessories
Accessories
- Belts
-
- Serpentine belt with automatic tensioner
- Timing belt with hydraulic tensioner
- Filters
-
- High-capacity oil filter
- Dual-element air filter
- Fuel filter with water separator
- Sensors
-
- Mass airflow sensor
- Throttle position sensor
- Coolant temperature sensor
- Crankshaft position sensor
Maintenance
- Service interval
- Every 5,000 miles or 6 months
- Service Items
-
- Oil and filter change
- Air filter inspection
- Spark plug replacement
- Timing belt inspection
- Coolant flush
- Fuel system cleaning
- Maintenance Notes
-
- Use 5W-30 synthetic oil recommended
- Timing belt replacement at 90,000 miles
- Valve clearance check every 30,000 miles
Warranty
- Basic
- Miles: 50,000Years: 4Coverage: Bumper-to-bumper
- Powertrain
- Miles: 70,000Years: 6Coverage: Engine and transmission
- Emissions
- Miles: 80,000Years: 8Coverage: Catalytic converter and ECU
- Corrosion
- Miles: UnlimitedYears: 6Coverage: Perforation from corrosion
Production Details
- Manufacturer
- Toyota Motor Corporation
- Manufacturing Process
-
- Precision casting for engine block
- CNC machining for cylinder heads
- Robotic assembly for critical components
- Quality Control
- Dimensional Checks: Laser measurement systemsPerformance Testing: Dynamometer testingLeak Testing: Helium mass spectrometry
- Sustainability Practices
-
- Closed-loop aluminum recycling
- Low-VOC painting process
- Energy-efficient machining
- Production Metrics
- Units Per Day: 150Defect Rate: <0.01%Energy Consumption: 2.5 kWh per engine
Service Information for 4.7l v8 engine Service
Maintenance and service requirements specific to this component
- Oil and filter change
- Tire rotation
- Fluid level checks
- Brake inspection
- Air filter inspection
Use only manufacturer-recommended fluids and filters
- Replace engine air filter
- Inspect fuel system
- Check valve clearance
- Replace cabin air filter
- Inspect timing belt
Valve clearance adjustment may be required
- Replace timing belt and water pump
- Flush cooling system
- Replace spark plugs
- Inspect engine mounts
- Perform compression test
Critical to replace timing belt at this interval to prevent engine damage
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 4.7L V8 engine compatible with other Lexus models from 1998-2007?
Is the 4.7L V8 engine compatible with other Lexus models from 1998-2007?
The 4.7L V8 engine, also known as the 2UZ-FE, is primarily designed for the 1998-2007 Lexus LX 470. However, it is also compatible with other models like the Toyota Land Cruiser and Lexus GX 470. Ensure compatibility by checking the vehicle's VIN and engine bay specifications. Modifications may be required for non-standard installations.
Q2 What are the maintenance requirements for the 4.7L V8 engine?
What are the maintenance requirements for the 4.7L V8 engine?
The 4.7L V8 engine requires regular maintenance, including oil changes every 5,000-7,500 miles, timing belt replacement every 90,000 miles, and spark plug replacement every 120,000 miles. Regularly inspect the cooling system, belts, and hoses. Use high-quality synthetic oil and OEM parts to ensure optimal performance and longevity.
Q3 How do I replace the timing belt on the 4.7L V8 engine?
How do I replace the timing belt on the 4.7L V8 engine?
To replace the timing belt, first, disconnect the battery and remove the serpentine belt. Drain the coolant and remove the radiator fan and shroud. Remove the timing belt covers and align the crankshaft and camshaft marks. Loosen the tensioner, remove the old belt, and install the new one. Reassemble components and refill coolant. Refer to the service manual for detailed torque specifications.
Q4 What should I do if the 4.7L V8 engine overheats?
What should I do if the 4.7L V8 engine overheats?
If the engine overheats, immediately turn off the air conditioning and turn on the heater to dissipate heat. Check the coolant level and inspect for leaks. Ensure the radiator fan is functioning and the thermostat is not stuck. If the issue persists, inspect the water pump and radiator for blockages or damage. Seek professional assistance if necessary.
Q5 How can I optimize the performance of the 4.7L V8 engine?
How can I optimize the performance of the 4.7L V8 engine?
To optimize performance, use high-quality synthetic oil and replace air and fuel filters regularly. Upgrade to a high-flow air intake and exhaust system for better airflow. Ensure proper tire pressure and alignment for reduced engine strain. Regularly clean the throttle body and injectors. Consider a professional ECU tune for enhanced power and efficiency.
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 LX 470 Service Manual
Coming SoonComprehensive guide covering maintenance, repairs, and technical specifications for the 1998-2007 Lexus LX 470 with the 4.7L V8 engine.
Technical Service Bulletin: Timing Belt Replacement
Coming SoonOfficial bulletin detailing the recommended procedure and intervals for timing belt replacement on the 4.7L V8 engine.
Lexus LX 470 Parts Catalog
Coming SoonDetailed catalog of OEM parts and accessories for the 1998-2007 Lexus LX 470, including engine components and upgrades.
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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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