Lexus RX 2004-2009 3.3L V6 Hybrid Engine Specifications
Explore the detailed technical specifications of the 2004-2009 Lexus RX 3.3L V6 hybrid engine. Learn about horsepower, torque, fuel efficiency, and hybrid system components for maintenance, repair, and performance upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the 3.3L V6 hybrid engine used in the 2004-2009 Lexus RX. It is designed for automotive enthusiasts, technicians, and engineers seeking comprehensive insights into the engine's design, performance, and features. Use the search and navigation instructions to quickly locate specific details or browse through the sections for a complete understanding of the engine's capabilities.
How to Use
Use the search bar to enter keywords related to the engine's specifications, such as 'horsepower' or 'fuel efficiency'. The search results will highlight relevant sections and subsections for quick access.
Scroll through the document to explore major sections like 'Engine Performance' or 'Hybrid System'. Click on subsection titles to expand and view detailed technical points.
Key Specifications
Displacement
3.3L
Horsepower
268 hp
Torque
212 lb-ft
Combined MPG
28
Battery Voltage
288V
Available Specifications
Engine Performance
This section covers the performance metrics of the 3.3L V6 hybrid engine, including horsepower, torque, and acceleration. It also highlights the engine's efficiency and how it contributes to the overall driving experience of the Lexus RX.
Engine Performance
This section covers the performance metrics of the 3.3L V6 hybrid engine, including horsepower, torque, and acceleration. It also highlights the engine's efficiency and how it contributes to the overall driving experience of the Lexus RX.
Power Output
- Combined horsepower: 268 hp
- Gasoline engine horsepower: 208 hp
- Electric motor horsepower: 60 hp
- Torque: 212 lb-ft
- 0-60 mph acceleration: 7.3 seconds
- Top speed: 112 mph
Fuel Efficiency
- City MPG: 28
- Highway MPG: 27
- Combined MPG: 28
- Fuel tank capacity: 17.2 gallons
- Hybrid system reduces fuel consumption by 20% compared to non-hybrid models
Hybrid System
This section explains the hybrid technology integrated into the 3.3L V6 engine, including the electric motor, battery system, and regenerative braking. It also discusses how the system enhances performance and reduces emissions.
Hybrid System
This section explains the hybrid technology integrated into the 3.3L V6 engine, including the electric motor, battery system, and regenerative braking. It also discusses how the system enhances performance and reduces emissions.
Electric Motor and Battery
- Permanent magnet AC synchronous motor
- Battery type: Nickel-metal hydride (NiMH)
- Battery voltage: 288V
- Battery capacity: 1.9 kWh
- Electric-only driving range: Limited to low speeds and short distances
Regenerative Braking
- Converts kinetic energy into electrical energy during braking
- Stores energy in the hybrid battery
- Improves overall fuel efficiency
- Reduces wear on traditional braking components
Engine Design
This section delves into the engineering and design features of the 3.3L V6 hybrid engine, including its construction, materials, and innovative technologies that contribute to its reliability and performance.
Engine Design
This section delves into the engineering and design features of the 3.3L V6 hybrid engine, including its construction, materials, and innovative technologies that contribute to its reliability and performance.
Construction and Materials
- Aluminum alloy block and cylinder heads
- DOHC (Dual Overhead Camshaft) design
- 24-valve configuration
- Variable Valve Timing with intelligence (VVT-i)
- Lightweight components for improved efficiency
Cooling and Lubrication
- Liquid-cooled system with electric water pump
- High-capacity radiator for hybrid system
- Synthetic oil recommended for lubrication
- Oil change interval: 10,000 miles
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Engine Specifications
Overview
- Type
- V6 Hybrid
- Configuration
- 60-degree V6 with electric motor
- Platform
- Lexus Hybrid Drive
- Material
- Aluminum block and heads
- Location
- Front-engine, front-wheel drive/all-wheel drive
Dimensions
- Engine Length
- 24.8 inches (630 mm)
- Engine Width
- 28.3 inches (720 mm)
- Engine Height
- 27.6 inches (700 mm)
- Displacement
- 3.3 liters (3311 cc)
- Bore
- 3.70 inches (94 mm)
- Stroke
- 3.27 inches (83 mm)
- Weight
- 385 lbs (175 kg)
- Oil Capacity
- 5.8 quarts (5.5 liters)
Materials
- Engine Block
- Aluminum alloy
- Cylinder Heads
- Aluminum alloy
- Pistons
- Forged aluminum
- Crankshaft
- Forged steel
- Valves
- Titanium intake, steel exhaust
Features
- Hybrid System
-
- Electric motor assist
- Regenerative braking
- Idle stop-start
- EV mode for low-speed driving
- Fuel Efficiency
-
- Atkinson cycle combustion
- Variable valve timing (VVT-i)
- Direct fuel injection
- Optimized thermal management
- Performance
-
- 268 combined horsepower
- 212 lb-ft torque
- 0-60 mph in 7.3 seconds
- Top speed of 112 mph
- Cooling System
-
- Dual electric water pumps
- High-capacity radiator
- Thermostatically controlled fans
- Coolant temperature sensors
- Emissions
-
- ULEV-II certified
- Low CO2 emissions
- Catalytic converter with oxygen sensors
- EGR system for NOx reduction
Safety Features
- Engine Protection
-
- Knock control system
- Overheat protection
- Low oil pressure shutdown
- Electrical Safety
-
- High-voltage disconnect system
- Insulated wiring harness
- Ground fault detection
- Crash Safety
-
- Automatic fuel cutoff
- Battery disconnect system
- Reinforced engine mounts
Comfort Features
- Noise Reduction
-
- Acoustic engine cover
- Hydraulic engine mounts
- Sound-deadening materials
- Vibration Control
-
- Balanced crankshaft
- Dual-mass flywheel
- Active engine mounts
- Climate Control
-
- Hybrid-specific HVAC system
- Electric A/C compressor
- Cabin pre-conditioning
Accessories
- Engine Bay
-
- Hybrid battery cooling fan
- High-voltage wiring harness
- Power steering pump
- Exhaust System
-
- Dual exhaust pipes
- Catalytic converters
- Oxygen sensors
- intake System
-
- High-flow air filter
- Resonator chamber
- Throttle body with electronic control
Maintenance
- Service interval
- Every 5,000 miles or 6 months
- Service Items
-
- Oil and filter change
- Hybrid system inspection
- Coolant level check
- Spark plug replacement
- Battery cooling system check
- Maintenance Notes
- Use synthetic 0W-20 oil. Hybrid system requires specialized diagnostic tools.
Warranty
- Basic Warranty
- Miles: 50,000Years: 4Coverage: Bumper-to-bumper
- Powertrain Warranty
- Miles: 70,000Years: 6Coverage: Engine and transmission
- Hybrid Warranty
- Miles: 100,000Years: 8Coverage: Hybrid components
- Corrosion Warranty
- 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 hybrid components
- Quality Control
- Engine Testing: 100% dyno testingHybrid System Checks: High-voltage system diagnosticsFinal Inspection: Leak and performance verification
- Sustainability Practices
-
- Recycled aluminum usage
- Low-emission manufacturing
- Waste reduction programs
- Production Metrics
- Annual Production: Approx. 50,000 unitsDefect Rate: Less than 0.1%Energy Efficiency: 15% improvement over previous generation
Service Information for 3.3l v6 hybrid engine Service
Maintenance and service requirements specific to this component
- Oil and filter change
- Hybrid system inspection
- Tire rotation
- Brake system check
- Fluid level checks
Use only synthetic 0W-20 oil. Hybrid system requires specialized diagnostic equipment.
- Replace engine air filter
- Inspect hybrid battery cooling system
- Check drive belts
- Replace cabin air filter
- Inspect fuel system
Hybrid battery cooling system must be checked for debris and proper airflow.
- Replace spark plugs
- Flush and replace coolant
- Inspect hybrid inverter coolant
- Replace transmission fluid
- Check high-voltage cables
High-voltage system maintenance must be performed by certified technicians only.
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 3.3L V6 hybrid engine compatible with other Lexus models?
Is the 3.3L V6 hybrid engine compatible with other Lexus models?
The 3.3L V6 hybrid engine, used in the 2004-2009 Lexus RX, is specifically designed for this model and its hybrid system. While it shares some components with other Lexus hybrid engines, direct compatibility with non-RX models is limited due to differences in mounting points, electronics, and hybrid system integration. Always consult a Lexus service manual or dealer for compatibility details.
Q2 What are the maintenance requirements for the 3.3L V6 hybrid engine?
What are the maintenance requirements for the 3.3L V6 hybrid engine?
The 3.3L V6 hybrid engine requires regular maintenance, including oil changes every 5,000-7,500 miles, hybrid battery cooling system checks, and periodic inspections of the hybrid inverter and electric motor components. Spark plugs should be replaced every 60,000 miles, and the hybrid battery should be tested annually to ensure optimal performance and longevity.
Q3 How do I replace the hybrid battery in the 3.3L V6 hybrid engine?
How do I replace the hybrid battery in the 3.3L V6 hybrid engine?
Replacing the hybrid battery involves disconnecting the 12V battery, removing the rear seat and battery cover, disconnecting the high-voltage cables, and carefully extracting the battery pack. Installation requires reversing the steps, ensuring proper cable connections and safety precautions. Due to the high voltage, it is recommended to have this procedure performed by a certified Lexus technician.
Q4 What should I do if the hybrid system warning light comes on?
What should I do if the hybrid system warning light comes on?
If the hybrid system warning light illuminates, first check the 12V battery and ensure it is fully charged. If the issue persists, use an OBD-II scanner to retrieve diagnostic trouble codes (DTCs). Common causes include a failing hybrid battery, inverter issues, or cooling system problems. Seek professional assistance to diagnose and resolve the issue safely.
Q5 How can I optimize the performance of the 3.3L V6 hybrid engine?
How can I optimize the performance of the 3.3L V6 hybrid engine?
To optimize performance, maintain proper tire pressure, use high-quality synthetic oil, and ensure the hybrid battery cooling system is clean and functional. Drive in Eco mode for better fuel efficiency and avoid aggressive acceleration. Regularly update the vehicle's software and perform scheduled maintenance to keep the engine and hybrid system in peak condition.
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 RX 400h Service Manual
Coming SoonComprehensive guide covering maintenance, repairs, and technical specifications for the 2004-2009 Lexus RX 400h with the 3.3L V6 hybrid engine.
Technical Service Bulletin: Hybrid Battery Cooling System
Coming SoonDetails updates and maintenance procedures for the hybrid battery cooling system to prevent overheating and ensure longevity.
Lexus RX 400h Parts Catalog
Coming SoonCatalog listing OEM parts and accessories for the 2004-2009 Lexus RX 400h, including hybrid-specific 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.
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- If you're unsure about any procedure, consult a qualified professional mechanic.
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