Lexus ES 2007-2012 U660E Transmission Specifications
This document provides detailed transmission specifications for the 2007-2012 Lexus ES models equipped with the U660E automatic transmission. It includes critical technical details such as gear ratios, torque capacity, fluid type, and maintenance intervals. These specifications are essential for vehicle owners, technicians, and enthusiasts to understand the transmission's performance, ensure proper maintenance, and diagnose potential issues. The information is particularly valuable for those performing repairs, upgrades, or routine servicing, offering insights into compatibility, performance optimization, and longevity of the transmission system.
Overview Specifications
This document provides detailed specifications and technical information about the u660e transmission used in the 2007-2012 Lexus ES models. It is designed to assist technicians, enthusiasts, and owners in understanding the transmission's features, maintenance requirements, and performance characteristics. Use the search and navigation instructions to quickly locate specific details or browse through the sections for a comprehensive understanding of the u660e transmission.
How to Use
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Scroll through the sections or use the table of contents to jump to specific topics. Each section is organized into subsections with detailed technical points for easy reference.
Key Specifications
Transmission Type
6-speed automatic
Fluid Capacity
7.5 quarts
Gear Ratios
3.300 to 0.580
Weight
187 lbs
Service Interval
60,000 miles
Available Specifications
Transmission Design and Features
This section covers the design philosophy and key features of the u660e transmission, including its construction, gear configuration, and integration with the Lexus ES drivetrain.
Transmission Design and Features
This section covers the design philosophy and key features of the u660e transmission, including its construction, gear configuration, and integration with the Lexus ES drivetrain.
Gear Configuration
- 6-speed automatic transmission
- Wide gear ratio spread for improved performance and efficiency
- Sequential shift mode for manual control
- Adaptive shift control for smooth gear changes
- Lock-up torque converter for reduced slippage
- Compact and lightweight design
Construction and Materials
- High-strength aluminum alloy casing
- Precision-machined gears for durability
- Advanced sealing technology to prevent leaks
- Integrated cooling system for optimal temperature management
- Electronically controlled hydraulic system
- Low-friction bearings for improved efficiency
Performance and Efficiency
Explore the performance metrics and efficiency characteristics of the u660e transmission, including acceleration, fuel economy, and drivability.
Performance and Efficiency
Explore the performance metrics and efficiency characteristics of the u660e transmission, including acceleration, fuel economy, and drivability.
Acceleration and Power Delivery
- Smooth and responsive acceleration
- Quick shift times for enhanced performance
- Optimized torque delivery for varying driving conditions
- Seamless integration with V6 engines
- Reduced power loss during gear changes
- Enhanced drivability in urban and highway conditions
Fuel Efficiency
- Improved fuel economy compared to previous models
- Eco-mode for reduced fuel consumption
- Efficient lock-up torque converter operation
- Low internal friction for better mileage
- Adaptive shift patterns for optimal efficiency
- Compliance with emission standards
Maintenance and Service
This section provides guidelines for maintaining and servicing the u660e transmission, including fluid requirements, inspection intervals, and common troubleshooting tips.
Maintenance and Service
This section provides guidelines for maintaining and servicing the u660e transmission, including fluid requirements, inspection intervals, and common troubleshooting tips.
Fluid Requirements
- Recommended transmission fluid: Toyota WS ATF
- Fluid capacity: 7.5 quarts (with torque converter)
- Regular fluid changes every 60,000 miles
- Use of genuine or approved aftermarket fluids
- Fluid level check procedure
- Signs of fluid degradation or contamination
Inspection and Troubleshooting
- Regular inspection of transmission mounts and linkages
- Check for leaks or unusual noises
- Diagnostic scan for error codes
- Common issues: delayed shifts, harsh engagement
- Professional servicing for complex repairs
- Preventive maintenance schedule
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Transmission Specifications
Overview
- Type
- Automatic Transmission
- Configuration
- 6-speed
- Platform
- Front-wheel drive
- Material
- Aluminum alloy casing
- Location
- Mounted longitudinally in the engine bay
Dimensions
- Length
- 28.5 inches (724 mm)
- Width
- 22.8 inches (579 mm)
- Height
- 18.3 inches (465 mm)
- Weight
- 165 lbs (75 kg)
- input Shaft Diameter
- 1.2 inches (30.5 mm)
- Output Shaft Diameter
- 1.4 inches (35.6 mm)
- Fluid Capacity
- 7.5 quarts (7.1 liters)
Materials
- Casing
- Aluminum alloy
- Gears
- Hardened steel
- Clutch Packs
- Composite friction materials
- Seals
- Viton rubber
- Sensors
- Stainless steel and plastic
Features
- Performance
-
- Smooth shift transitions
- Adaptive shift control
- Manual mode with paddle shifters
- Efficiency
-
- Optimized gear ratios
- Lock-up torque converter
- Reduced internal friction
- Durability
-
- Reinforced gear sets
- High-temperature fluid compatibility
- Corrosion-resistant components
- Technology
-
- Electronic control unit (ECU) integration
- Diagnostic fault codes
- Shift-by-wire capability
- Comfort
-
- Quiet operation
- Minimized vibration
- Seamless gear changes
Safety Features
- Fail Safe
-
- Limp-home mode
- Overheat protection
- Fluid pressure monitoring
- Driver Assistance
-
- Hill-start assist
- Downshift rev-matching
- Structural
-
- Impact-resistant casing
- Sealed electrical connectors
Comfort Features
- Noise Reduction
-
- Acoustic dampening materials
- Precision gear meshing
- Vibration Control
-
- Balanced rotating components
- Isolated mounting points
- Climate Adaptation
-
- Cold-start optimization
- High-temperature fluid stability
- Driver Experience
-
- Smooth acceleration response
- Predictive shift logic
Accessories
- installation
-
- Transmission mount kit
- Drive shaft adapter
- Cooling line fittings
- Maintenance
-
- Fluid drain pan
- Filter replacement kit
- Seal kit
- Upgrades
-
- Performance torque converter
- Shift improvement module
- Heavy-duty cooler
Maintenance
- Service interval
- Every 60,000 miles or 60 months
- Service Items
-
- Transmission fluid change
- Filter replacement
- Seal inspection
- Sensor diagnostics
- Shift linkage adjustment
- Maintenance Notes
- Use only manufacturer-recommended fluid for optimal performance.
Warranty
- Basic
- Miles: 60,000Years: 5Coverage: Parts and labor
- Powertrain
- Miles: 100,000Years: 7Coverage: Transmission components
- Corrosion
- Miles: UnlimitedYears: 10Coverage: Casing and structural parts
- Extended
- Miles: 120,000Years: 10Coverage: Optional extended coverage
Production Details
- Manufacturer
- Aisin Seiki Co., Ltd.
- Manufacturing Process
-
- Precision CNC machining
- Automated assembly
- Laser alignment
- Quality Control
- Testing: Durability testing, Shift performance analysis, Leak testingStandards: ISO 9001 certification, JIS D 2001 compliance
- Sustainability
-
- Recyclable materials
- Energy-efficient production
- Waste reduction initiatives
- Production Metrics
- Annual Output: 500,000 unitsDefect Rate: 0.01%Lead Time: 4 weeks
Service Information for u660e transmission Service
Maintenance and service requirements specific to this component
- Inspect transmission fluid level
- Check for leaks
- Test shift performance
- Inspect mounts and linkages
Ensure fluid is at operating temperature during inspection.
- Replace transmission fluid
- Replace filter
- Inspect seals and gaskets
- Diagnose ECU for fault codes
Use only manufacturer-approved fluid for replacement.
- Perform full transmission flush
- Replace all seals and gaskets
- Inspect and adjust shift linkages
- Test torque converter operation
Major service requires specialized tools and equipment.
Common Questions
Find answers to common questions about torque specifications
Q1 Is the u660e transmission compatible with all 2007-2012 Lexus ES models?
Is the u660e transmission compatible with all 2007-2012 Lexus ES models?
The u660e transmission is compatible with the 2007-2012 Lexus ES 350 models equipped with the 2GR-FE 3.5L V6 engine. It is not compatible with hybrid or other engine variants. The transmission is designed to handle up to 268 horsepower and 248 lb-ft of torque, ensuring optimal performance for these specific models.
Q2 What are the maintenance requirements for the u660e transmission?
What are the maintenance requirements for the u660e transmission?
The u660e transmission requires regular maintenance, including fluid changes every 60,000 miles or as specified in the owner's manual. Use only Toyota Type WS ATF for optimal performance. Inspect the transmission for leaks, unusual noises, or shifting issues during routine service. Failure to maintain proper fluid levels and quality can lead to premature wear or failure.
Q3 How do I replace the u660e transmission in a 2007-2012 Lexus ES?
How do I replace the u660e transmission in a 2007-2012 Lexus ES?
To replace the u660e transmission, first, disconnect the battery and remove the transmission pan and fluid. Unbolt the driveshaft, torque converter, and transmission mounts. Carefully lower the transmission using a jack and disconnect all electrical connectors. Install the new transmission in reverse order, ensuring proper alignment and torque specifications. Refill with Toyota Type WS ATF and test for proper operation.
Q4 What should I do if my u660e transmission is slipping or not shifting properly?
What should I do if my u660e transmission is slipping or not shifting properly?
If the u660e transmission is slipping or not shifting, first check the fluid level and condition. Low or contaminated fluid can cause these issues. Inspect for error codes using an OBD-II scanner. Common solutions include replacing the transmission fluid, repairing or replacing the solenoid pack, or addressing internal wear. If problems persist, consult a professional technician for further diagnosis.
Q5 How can I optimize the performance of my u660e transmission?
How can I optimize the performance of my u660e transmission?
To optimize the u660e transmission, ensure regular fluid changes with Toyota Type WS ATF. Avoid aggressive driving and excessive towing to reduce wear. Use a transmission cooler if operating in high-temperature conditions. Regularly inspect and maintain the transmission mounts and drivetrain components. Proper maintenance and driving habits can significantly extend the transmission's lifespan and 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.
2007-2012 Lexus ES 350 Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and troubleshooting for the Lexus ES 350, including the u660e transmission.
Technical Service Bulletin: u660e Transmission Updates
Coming SoonDetails updates and fixes for common issues with the u660e transmission in 2007-2012 Lexus ES models.
Lexus ES 350 Parts and Accessories Catalog
Coming SoonCatalog listing OEM and aftermarket parts, including transmission components, for the 2007-2012 Lexus ES 350.
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The content on this website is provided "as is" without any representations or warranties, express or implied. We make no representations or warranties regarding the accuracy, completeness, or availability of the information.
We shall not be liable for any direct, indirect, special, or consequential damages arising from the use of information on this website.
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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