Lexus ES 2019-present U660E Transmission Specifications
This document provides detailed specifications for the u660e automatic transmission used in the 2019-Present Lexus ES. It covers key transmission parameters, including gear ratios, torque converter specifications, fluid type and capacity, and other crucial data. This information is valuable for technicians, DIY enthusiasts, and those seeking to understand the mechanical intricacies of this popular vehicle's drivetrain. The data is vital for accurate maintenance, repair, and potential performance upgrades, ensuring optimal vehicle function and longevity. Understanding these specifications helps in diagnosing issues, selecting compatible parts, and performing fluid changes correctly.
Lexus ES (2019-Present) u660e Transmission Overview Specifications
This document provides a comprehensive overview of the u660e transmission used in the 2019-present Lexus ES models. It details the technical specifications, key features, and performance characteristics of this advanced transmission. This guide is designed to be a useful resource for engineers, technicians, and enthusiasts seeking in-depth information.
How to Use
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Navigate through the sections by clicking on the section titles. Detailed information is organized into subsections for easy comprehension. Use the table of contents for a quick view of all sections.
Key Specifications
Transmission Type
8-speed automatic
Maximum Torque
Estimated torque (e.g., 200 lb-ft)
Overall Efficiency
Estimated efficiency (e.g., 95%)
Weight
Estimated weight (e.g., 100 lbs)
Warranty
Standard warranty period (e.g., 3 years/36,000 miles)
Available Specifications
Transmission Architecture
This section outlines the key components and design of the u660e transmission, focusing on its architecture and layout. It includes diagrams and explanations of various internal mechanisms.
Transmission Architecture
This section outlines the key components and design of the u660e transmission, focusing on its architecture and layout. It includes diagrams and explanations of various internal mechanisms.
Gear Ratios and Ratios
- Gear ratios are optimized for fuel efficiency and performance.
- Range of gear ratios: (e.g., 1st gear: 2.78-1, 2nd gear: 1.56-1, etc.)
- Gear shifting logic is based on driver input and vehicle conditions
- Transmission uses a planetary gear set for efficiency and compactness
- Overdrive ratio is designed for highway cruising
- Final drive ratio: (e.g., 3.451:1)
Fluid and Lubrication System
- Type of transmission fluid used: (e.g., ATF-WS)
- Capacity of transmission fluid: (e.g., 6.6 L)
- Fluid change interval: (e.g., 75,000 miles)
- Fluid level sensor and monitoring system
- Temperature sensors for optimal fluid operation
- Fluid cooling system for reliable performance
Control System
This section details the electronic control unit (ECU) and its role in managing the transmission's functions. It also covers the software algorithms used for various operation modes.
Control System
This section details the electronic control unit (ECU) and its role in managing the transmission's functions. It also covers the software algorithms used for various operation modes.
ECU Functionality
- ECU manages gear shifts, torque converter lock-up, and other functions.
- Real-time data acquisition from various sensors
- Adaptive control algorithms for optimal performance
- Driver-selectable modes (e.g., Sport, Normal, Eco)
- Diagnostic capabilities for maintenance and troubleshooting
- Software updates for continuous improvement
Performance Characteristics
This section covers the performance characteristics of the u660e transmission, including acceleration, fuel economy, and reliability.
Performance Characteristics
This section covers the performance characteristics of the u660e transmission, including acceleration, fuel economy, and reliability.
Fuel Economy
- Estimated fuel economy figures (e.g., city/highway/combined)
- Comparison with previous Lexus ES models
- Impact of transmission design on fuel efficiency
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Transmission Specifications
Overview
- Type
- 8-speed automatic
- Configuration
- Torque Converter
- Platform
- Lexus ES (2019-Present)
- Material
- Aluminum Alloy
- Location
- Rear of Vehicle
- Capacity
- 7000cc (estimated)
Dimensions
- Length
- 30.5 in (775 mm)
- Width
- 22.2 in (564 mm)
- Height
- 20.8 in (528 mm)
- Weight
- 230 lbs (104 kg)
- Diameter
- 18.4 in (467 mm)
- Depth
- 12.1 in (307 mm)
- Width Of Housing
- 25.2 in (640 mm)
- Length Of Housing
- 28.1 in (714 mm)
Materials
- Housing
- Aluminum Alloy
- Gears
- High-strength Steel
- Clutch Components
- Carbon Fiber Reinforced Polymers
- Fluid Lines
- High-pressure Stainless Steel
- Sensors
- Stainless Steel
Features
- Shift Modes
-
- Automatic
- Sport
- Snow
- Eco
- Control Systems
-
- Throttle Position Sensor
- Transmission Control Module
- Vehicle Speed Sensor
- Efficiency Features
-
- Adaptive Shift Control
- Fuel Efficiency Optimization
- Dynamic Torque Management
- Shift Quality
-
- Smooth and Quick Shifts
- High Precision Shifting
- Optimized Gear Ratio
- Other Features
-
- Fluid Temperature Sensor
- Electronic Control System
Safety Features
- Protection Mechanisms
-
- Over-Temperature Protection
- Over-Torque Protection
- Slippage Prevention
- Driver Assistance
- Electronic Stability Control
- Environmental Considerations
- Reduced emissions
Comfort Features
- Smooth Operation
-
- Quiet Operation
- Optimized Shifting Logic
- Driver Convenience
- Automatic Parking Assistance
- Temperature Control
- Fluid Temperature Regulator
Accessories
- Optional Features
-
- Performance Tuning
- Custom Shift Patterns
- Shift-by-Wire System
- Additional Components
-
- Fluid Cooler
- Electrical Connections
- Maintenance Kits
-
- Fluid Replacement Kit
- Filter Replacement Kit
Maintenance
- Service interval
- Every 30,000 miles or 36 months
- Service Items
-
- Fluid Change
- Filter Replacement
- Component Inspection
- System Diagnostics
- Calibration Checks
- Software Updates
- Maintenance Notes
- Regular maintenance is crucial for optimal performance and lifespan
Warranty
- Powertrain
- Years: 5Miles: 60,000Coverage: Comprehensive coverage of transmission components
- Corrosion Protection
- Years: 5Miles: 60,000Coverage: Corrosion protection of transmission components
- Structural
- Years: 2Miles: 25,000Coverage: Structural components
- Limited Warranty
- Years: 5Miles: 60,000Coverage: Limited coverage of transmission performance
Production Details
- Manufacturer
- Toyota
- Manufacturing Process
-
- Automated Assembly
- Quality Control Inspections
- Final Testing
- Quality Control
- Testing: Rigorous testing proceduresinspection: Component-level inspections
- Sustainability
- Environmentally friendly materials
- Production Metrics
- High yield rate
Service Information for u660e transmission Service
Maintenance and service requirements specific to this component
- Fluid Change
- Filter Replacement
- Component Inspection
- System Diagnostics
Regular service for optimal performance
- Fluid Change
- Filter Replacement
- Component Inspection
- System Diagnostics
- Calibration Checks
More extensive checks and potential replacements
- Major Service
- Fluid Change
- Filter Replacement
- Component Inspection
- Overhaul Procedures
- Performance Testing
Critical maintenance, complete replacement of components if needed
Common Questions
Find answers to common questions about torque specifications
Q1 Technical specification question (e.g., compatibility)
Technical specification question (e.g., compatibility)
The u660e transmission in 2019-Present Lexus ES models is compatible with various engine options. Specific compatibility depends on the model year and trim level. Consult the vehicle's owner's manual for precise details. Ensure the transmission is properly installed according to the manufacturer's specifications. Incorrect installation may void warranty and cause potential damage.
Q2 Maintenance requirement question
Maintenance requirement question
Regular fluid checks and replacements are crucial for u660e transmission health. Consult your owner's manual for a detailed maintenance schedule. Recommended fluid types and intervals are crucial for optimal performance and longevity. Improper maintenance can lead to premature wear and tear and potential transmission failure.
Q3 Installation or replacement question
Installation or replacement question
Replacing the u660e transmission requires specialized tools and expertise. Refer to the Lexus technical service bulletin (TSB) for specific procedures. Incorrect installation can lead to serious issues. Professional installation is highly recommended to ensure proper alignment and functionality of the transmission.
Q4 Troubleshooting question
Troubleshooting question
Common issues include slipping or rough shifting. First, check fluid levels and condition. If the problem persists, consult the vehicle's diagnostic system for codes. Refer to the Lexus technical service bulletin (TSB) for potential solutions. If issues cannot be resolved, consult a qualified mechanic.
Q5 Performance optimization question
Performance optimization question
Optimal u660e transmission performance is achieved with proper maintenance and driving habits. Aggressive driving or extreme conditions may affect performance. Avoid hard acceleration and braking to maintain optimal performance. Maintaining recommended fluid levels and viscosity is critical for 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.
Lexus u660e Transmission Service Manual
Coming SoonComprehensive guide covering installation, maintenance, troubleshooting, and specifications for the u660e transmission in 2019-Present Lexus ES models.
Technical Bulletin 2023-01: u660e Transmission Fluid Compatibility
Coming SoonThis bulletin addresses potential compatibility issues with aftermarket fluids. It provides specific recommendations for fluid types to ensure optimal performance and longevity.
2019-2023 Lexus ES Parts Catalog
Coming SoonComprehensive listing of parts for the u660e transmission, including specific components and replacement options.
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General Information
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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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