Lexus RX 2004-2009 3.5L V6 Engine Specifications
Explore detailed technical specifications for the 3.5L V6 engine in the 2004-2009 Lexus RX. Learn about horsepower, torque, fuel system, and more for maintenance, repair, and performance upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the 3.5L V6 engine used in the 2004-2009 Lexus RX models. It is designed to assist enthusiasts, mechanics, and owners in understanding the engine's features, performance, and maintenance requirements. Use the search and navigation instructions to quickly locate specific details or browse through the sections for a comprehensive understanding of the engine.
How to Use
Use the search functionality by entering keywords related to the engine specifications, such as 'horsepower' or 'torque'. The search will highlight relevant sections and subsections for quick access.
Navigate through the document by scrolling through the sections or using the table of contents. Each section is organized into subsections with detailed technical points for easy reference.
Key Specifications
Displacement
3.5 liters
Horsepower
270 hp
Torque
248 lb-ft
Fuel Economy
19 mpg combined
Acceleration (0-60 mph)
7.3 seconds
Available Specifications
Engine Performance
This section covers the performance characteristics of the 3.5L V6 engine, including horsepower, torque, and acceleration. It also provides insights into the engine's responsiveness and fuel efficiency.
Engine Performance
This section covers the performance characteristics of the 3.5L V6 engine, including horsepower, torque, and acceleration. It also provides insights into the engine's responsiveness and fuel efficiency.
Horsepower and Torque
- 270 horsepower at 6,200 rpm
- 248 lb-ft of torque at 4,700 rpm
- Dual Variable Valve Timing with intelligence (VVT-i)
- Optimized for smooth power delivery
- High-revving capability for spirited driving
- Balanced performance for both city and highway driving
Acceleration and Fuel Efficiency
- 0-60 mph in 7.3 seconds
- Combined fuel economy of 19 mpg
- City fuel economy of 17 mpg
- Highway fuel economy of 22 mpg
- Efficient combustion system
- Lightweight engine components for improved efficiency
Engine Design
This section delves into the design and construction of the 3.5L V6 engine, highlighting its advanced engineering, materials, and technologies that contribute to its reliability and performance.
Engine Design
This section delves into the design and construction of the 3.5L V6 engine, highlighting its advanced engineering, materials, and technologies that contribute to its reliability and performance.
Construction and Materials
- Aluminum alloy block and cylinder heads
- Forged steel crankshaft
- High-strength connecting rods
- Low-friction piston rings
- Compact and lightweight design
- Thermal efficiency improvements
Advanced Technologies
- Dual VVT-i for optimal valve timing
- Electronic Throttle Control System (ETCS-i)
- Sequential fuel injection
- Knock control system for enhanced durability
- Low-emission design compliant with ULEV standards
- Integrated exhaust manifold for reduced weight
Maintenance and Durability
This section provides information on the maintenance requirements and durability features of the 3.5L V6 engine, ensuring long-term reliability and performance.
Maintenance and Durability
This section provides information on the maintenance requirements and durability features of the 3.5L V6 engine, ensuring long-term reliability and performance.
Maintenance Intervals
- Oil change every 5,000 miles or 6 months
- Spark plug replacement every 120,000 miles
- Timing belt inspection every 90,000 miles
- Air filter replacement every 30,000 miles
- Coolant flush every 100,000 miles
- Regular inspection of belts and hoses
Durability Features
- Robust engine block design
- High-quality materials for reduced wear
- Advanced cooling system for optimal temperature control
- Corrosion-resistant components
- Sealed bearings for extended lifespan
- Proven reliability in various driving conditions
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Engine Specifications
Overview
- Type
- Naturally aspirated V6
- Configuration
- 60-degree V6
- Displacement
- 3.5 liters (3456 cc)
- Valvetrain
- DOHC, 24-valve
- Fuel System
- Sequential multi-port fuel injection
- Location
- Front, longitudinal
Dimensions
- Length
- 24.8 in (630 mm)
- Width
- 28.3 in (720 mm)
- Height
- 27.6 in (700 mm)
- Weight
- 375 lbs (170 kg)
- Bore
- 3.70 in (94 mm)
- Stroke
- 3.27 in (83 mm)
- Compression Ratio
- 10.8:1
- Oil Capacity
- 6.4 quarts (6.1 liters)
Materials
- Block
- Aluminum alloy
- Cylinder Head
- Aluminum alloy
- Pistons
- Forged aluminum
- Crankshaft
- Forged steel
- Valves
- Stainless steel
Features
- Performance
-
- 270 horsepower @ 6200 rpm
- 248 lb-ft torque @ 4700 rpm
- Dual Variable Valve Timing with intelligence (VVT-i)
- High-flow intake manifold
- Efficiency
-
- Optimized combustion chamber design
- Low-friction components
- Lightweight construction
- Cooling
-
- High-capacity radiator
- Electric cooling fan
- Thermostatically controlled oil cooler
- Ignition
-
- Direct ignition system
- Iridium-tipped spark plugs
- Coil-on-plug design
- Emissions
-
- LEV-II compliant
- Catalytic converters with oxygen sensors
- Exhaust gas recirculation (EGR)
Safety Features
- Engine Protection
-
- Knock control system
- Oil pressure warning system
- Overheat protection
- Fuel Safety
-
- Fuel cut-off in crash
- Leak detection system
- Evaporative emissions control
Comfort Features
- Noise Reduction
-
- Acoustic engine cover
- Hydraulic engine mounts
- Tuned intake silencer
- Vibration Control
-
- Balanced crankshaft
- Dual-mass flywheel
- Isolated fuel rail
Accessories
- Belts And Hoses
-
- Serpentine belt
- Timing belt
- Coolant hoses
- Filters
-
- Oil filter
- Air filter
- Fuel filter
- Sensors
-
- Crankshaft position sensor
- Camshaft position sensor
- Knock sensor
Maintenance
- Service interval
- Every 5,000 miles or 6 months
- Service Items
-
- Oil and filter change
- Spark plug inspection
- Timing belt inspection
- Coolant level check
- Air filter replacement
- Maintenance Notes
- Use synthetic oil for optimal performance. Timing belt replacement recommended at 90,000 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 sensors
- Corrosion
- Miles: UnlimitedYears: 6Coverage: Perforation from rust
Production Details
- Manufacturer
- Toyota Motor Corporation
- Manufacturing Process
-
- Casting for engine block and heads
- CNC machining for precision components
- Robotic assembly
- Quality Control
- Testing: Cold and hot testing, Dyno performance testing, Leak and pressure testingStandards: ISO 9001 certified
- Sustainability
-
- Recycled aluminum usage
- Low-emission manufacturing
- Waste reduction initiatives
- Production Metrics
- Units Per Year: 150,000Defect Rate: Less than 0.1%Production Time: 8 hours per engine
Service Information for 3.5l v6 engine Service
Maintenance and service requirements specific to this component
- Oil and filter change
- Inspect belts and hoses
- Check coolant level
- Inspect spark plugs
- Check air filter
Use 0W-20 synthetic oil for optimal performance.
- Replace air filter
- Inspect fuel system
- Check ignition system
- Inspect exhaust system
- Test battery and charging system
Perform throttle body cleaning if necessary.
- Replace timing belt
- Replace water pump
- Replace spark plugs
- Flush coolant system
- Inspect engine mounts
Timing belt replacement is critical to prevent engine damage.
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 3.5L V6 engine compatible with other Lexus models?
Is the 3.5L V6 engine compatible with other Lexus models?
The 3.5L V6 engine used in the 2004-2009 Lexus RX is specifically designed for this model and its platform. While it shares some design elements with other Toyota/Lexus engines, direct compatibility with other models is limited. Always verify with a Lexus dealer or technical guide before attempting cross-model installations.
Q2 What are the maintenance requirements for the 3.5L V6 engine?
What are the maintenance requirements for the 3.5L V6 engine?
The 3.5L V6 engine requires regular maintenance, including oil changes every 5,000-7,500 miles, air filter replacement every 15,000-30,000 miles, and spark plug replacement every 60,000-100,000 miles. Additionally, inspect the timing belt, coolant, and transmission fluid periodically to ensure optimal performance and longevity.
Q3 How do I replace the 3.5L V6 engine in a 2004-2009 Lexus RX?
How do I replace the 3.5L V6 engine in a 2004-2009 Lexus RX?
Replacing the 3.5L V6 engine involves disconnecting the battery, draining fluids, removing the intake and exhaust systems, detaching the transmission, and unbolting the engine mounts. Use a hoist to lift the engine out. Installation is the reverse process. Ensure all connections are secure and fluids are refilled. Refer to the service manual for detailed instructions.
Q4 What should I do if the 3.5L V6 engine is overheating?
What should I do if the 3.5L V6 engine is overheating?
If the engine overheats, check the coolant level and inspect for leaks. Ensure the radiator fan is functioning and the thermostat is not stuck. Flush the cooling system if necessary. If the issue persists, inspect the water pump and head gasket for potential failures. Seek professional assistance if diagnostics are inconclusive.
Q5 How can I optimize the performance of the 3.5L V6 engine?
How can I optimize the performance of the 3.5L V6 engine?
To optimize performance, use high-quality synthetic oil, ensure proper tire pressure, and keep the air intake and exhaust systems clean. Consider upgrading to performance air filters and exhaust systems. Regularly tune the engine and monitor fuel injectors and ignition timing for peak 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.
2004-2009 Lexus RX 350 Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and troubleshooting for the 3.5L V6 engine and related systems.
Technical Service Bulletin: 3.5L V6 Engine Updates
Coming SoonDetails updates and fixes for common issues reported in the 3.5L V6 engine, including software and hardware improvements.
Lexus RX 350 Parts and Accessories Catalog
Coming SoonCatalog listing OEM and aftermarket parts compatible with the 2004-2009 Lexus RX 350, including engine components.
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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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