Lexus RX 2020-present AWF8F45 Transmission Specifications
This document provides a detailed overview of the transmission specifications for the 2020-Present Lexus RX, specifically focusing on the awf8f45 transmission model. It includes technical details such as gear ratios, torque capacity, fluid requirements, and maintenance intervals. These specifications are essential for technicians, enthusiasts, and owners seeking to understand the performance, maintenance, and repair requirements of the Lexus RX's transmission system. The information is valuable for ensuring optimal vehicle performance, diagnosing issues, and planning upgrades or replacements. This guide serves as a reliable resource for anyone working with or owning a 2020-Present Lexus RX.
Overview Specifications
This document provides detailed specifications and technical information about the awf8f45-transmission used in the 2020-Present Lexus RX models. It is designed to assist technicians, engineers, and enthusiasts in understanding the transmission'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 transmission system.
How to Use
Use the search bar to enter keywords related to the transmission, such as 'gear ratios' or 'torque capacity'. The search results will highlight relevant sections and subsections for quick access.
Navigate through the document using the table of contents. Each major section is divided into subsections, allowing you to find specific technical details efficiently.
Key Specifications
Transmission Type
8-speed automatic
Torque Capacity
450 Nm
Gear Ratios
5.250 to 1.000
Fluid Capacity
7.5 liters
Service Interval
60,000 miles
Available Specifications
Transmission Design
This section covers the design and architecture of the awf8f45-transmission, including its components, layout, and integration with the Lexus RX drivetrain. Learn about the transmission's construction and how it enhances vehicle performance.
Transmission Design
This section covers the design and architecture of the awf8f45-transmission, including its components, layout, and integration with the Lexus RX drivetrain. Learn about the transmission's construction and how it enhances vehicle performance.
Gear Configuration
- 8-speed automatic transmission
- Wide gear ratio spread for optimal performance
- Seamless gear shifts for smooth driving experience
- Adaptive shift control for varying driving conditions
- Compact design for efficient packaging
- Lightweight materials for improved fuel efficiency
Torque Converter
- High-capacity torque converter for improved torque handling
- Lock-up clutch for enhanced fuel efficiency
- Optimized fluid dynamics for reduced energy loss
- Durable construction for long-term reliability
Performance Specifications
Explore the performance metrics of the awf8f45-transmission, including gear ratios, torque capacity, and efficiency. This section provides insights into how the transmission contributes to the Lexus RX's driving dynamics.
Performance Specifications
Explore the performance metrics of the awf8f45-transmission, including gear ratios, torque capacity, and efficiency. This section provides insights into how the transmission contributes to the Lexus RX's driving dynamics.
Gear Ratios
- 1st gear: 5.250
- 2nd gear: 3.029
- 3rd gear: 1.950
- 4th gear: 1.457
- 5th gear: 1.221
- 6th gear: 1.000
Torque Capacity
- Maximum torque capacity: 450 Nm
- Optimized for V6 and hybrid powertrains
- Enhanced cooling system for high-load conditions
- Durable clutch plates for consistent performance
Maintenance and Service
This section provides guidelines for maintaining and servicing the awf8f45-transmission. Learn about recommended service intervals, fluid specifications, and common troubleshooting tips.
Maintenance and Service
This section provides guidelines for maintaining and servicing the awf8f45-transmission. Learn about recommended service intervals, fluid specifications, and common troubleshooting tips.
Service Intervals
- Transmission fluid change every 60,000 miles
- Inspect seals and gaskets during routine maintenance
- Check for software updates at authorized service centers
- Monitor for unusual noises or shifting behavior
Fluid Specifications
- Use Lexus-approved ATF WS transmission fluid
- Fluid capacity: 7.5 liters
- Ensure proper fluid level for optimal performance
- Avoid mixing different types of transmission fluid
Search Specifications
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Transmission Specifications
Overview
- Type
- 8-speed automatic
- Configuration
- Front-engine, all-wheel drive
- Platform
- Lexus New Global Architecture (TNGA-K)
- Material
- Aluminum alloy casing
- Location
- Integrated with drivetrain
Dimensions
- Length
- 28.5 in (724 mm)
- Width
- 18.7 in (475 mm)
- Height
- 12.2 in (310 mm)
- Weight
- 187 lbs (85 kg)
- input Shaft Diameter
- 1.2 in (30.5 mm)
- Output Shaft Diameter
- 1.4 in (35.6 mm)
- Fluid Capacity
- 7.4 quarts (7.0 liters)
Materials
- Casing
- Aluminum alloy with magnesium reinforcement
- Gears
- High-strength forged steel
- Clutch Packs
- Carbon fiber composite
- Seals
- Fluoroelastomer (FKM)
Features
- Performance
-
- Direct Shift-8AT technology
- Wide gear ratio spread (7.5:1)
- Quick shift response (200ms)
- Adaptive shift control
- Efficiency
-
- Low-viscosity transmission fluid
- Reduced internal friction
- Optimized gear ratios
- Eco-mode programming
- Drivability
-
- Smooth shift transitions
- Sport mode with paddle shifters
- Hill-start assist
- Creep function
- Durability
-
- Reinforced gear teeth
- High-temperature resistance
- Sealed lubrication system
- Corrosion-resistant coating
Safety Features
- Mechanical Protection
-
- Overheat protection
- Torque limiter
- Gear slip prevention
- Electronic Protection
-
- Fail-safe mode
- Shift lock system
- Reverse lockout
Comfort Features
- Noise Reduction
-
- Precision gear machining
- Vibration dampening mounts
- Acoustic insulation
- Shift Quality
-
- Adaptive shift logic
- Smooth torque converter lockup
- Low-speed creep control
- Climate Adaptation
-
- Cold-start optimization
- High-temperature protection
- Altitude compensation
Accessories
- Performance
-
- Transmission cooler
- Upgraded shift paddles
- Sport-tuned software
- Maintenance
-
- Fluid exchange kit
- Filter replacement kit
- Diagnostic scanner
- Protection
-
- Transmission skid plate
- Fluid temperature gauge
- Seal protection spray
Maintenance
- Service interval
- Every 60,000 miles or 48 months
- Service Items
-
- Fluid and filter replacement
- Seal inspection
- Shift linkage adjustment
- Electronic control unit diagnostics
- Mount inspection
- Maintenance Notes
- Use only Lexus-approved WS transmission fluid
Warranty
- Basic
- Miles: 50,000Years: 4Coverage: Parts and labor
- Powertrain
- Miles: 70,000Years: 6Coverage: Transmission components
- Corrosion
- Miles: UnlimitedYears: 6Coverage: Casing and seals
- Emissions
- Miles: 80,000Years: 8Coverage: Transmission control systems
Production Details
- Manufacturer
- Aisin Seiki Co., Ltd.
- Manufacturing Process
-
- Precision CNC machining
- Robotic assembly
- Laser alignment
- Dynamic balancing
- Quality Control
- Testing: Durability testing (200,000 cycles), Temperature testing (-40°F to 250°F), Vibration testing (0-500 Hz)inspection: X-ray gear inspection, Fluid pressure testing, Electronic calibration
- Sustainability
-
- Recycled aluminum content (30%)
- Closed-loop fluid system
- Energy-efficient manufacturing
- Production Metrics
- Units Per Day: 1200Defect Rate: 0.02%Energy Use: 15 kWh per unit
Service Information for awf8f45 transmission Service
Maintenance and service requirements specific to this component
- Inspect transmission fluid level
- Check for leaks
- Test shift quality
- Diagnose electronic controls
Early inspection recommended for severe driving conditions
- Replace transmission fluid
- Replace filter
- Inspect seals and gaskets
- Check mount condition
- Test shift linkage
Use only Lexus-approved WS fluid and OEM filter
- Complete fluid flush
- Replace all seals
- Inspect gear wear
- Test torque converter
- Calibrate shift points
Requires specialized equipment and trained technicians
Common Questions
Find answers to common questions about torque specifications
Q1 Is the awf8f45 transmission compatible with all 2020-Present Lexus RX models?
Is the awf8f45 transmission compatible with all 2020-Present Lexus RX models?
The awf8f45 transmission is specifically designed for the 2020-Present Lexus RX models, including both hybrid and non-hybrid variants. It is compatible with the 2GR-FKS 3.5L V6 engine and the hybrid powertrain. However, compatibility may vary based on specific trim levels and optional packages. Always verify your vehicle's VIN and consult the manufacturer's documentation for precise compatibility details.
Q2 What are the maintenance requirements for the awf8f45 transmission?
What are the maintenance requirements for the awf8f45 transmission?
The awf8f45 transmission requires regular maintenance to ensure optimal performance. Lexus recommends a transmission fluid check every 30,000 miles and a full fluid replacement every 60,000 miles. Additionally, inspect the transmission for leaks, unusual noises, or shifting issues during routine service. Adhering to the maintenance schedule outlined in the owner's manual is crucial for longevity and reliability.
Q3 How do I install or replace the awf8f45 transmission in a 2020-Present Lexus RX?
How do I install or replace the awf8f45 transmission in a 2020-Present Lexus RX?
Replacing the awf8f45 transmission involves several steps: 1) Disconnect the battery and remove the transmission mount. 2) Drain the transmission fluid and disconnect all electrical connectors. 3) Remove the driveshaft and exhaust components as needed. 4) Support the engine and carefully lower the transmission. Installation is the reverse process, ensuring proper torque specifications and fluid levels. Professional installation is recommended for optimal results.
Q4 What should I do if my awf8f45 transmission is not shifting smoothly?
What should I do if my awf8f45 transmission is not shifting smoothly?
If your awf8f45 transmission is not shifting smoothly, start by checking the transmission fluid level and condition. Low or contaminated fluid can cause shifting issues. Inspect for error codes using an OBD-II scanner. Common solutions include resetting the transmission control module, replacing worn components, or performing a fluid flush. If problems persist, consult a certified technician for further diagnosis.
Q5 How can I optimize the performance of the awf8f45 transmission?
How can I optimize the performance of the awf8f45 transmission?
To optimize the awf8f45 transmission's performance, use only manufacturer-recommended transmission fluid and ensure regular maintenance. Avoid aggressive driving and excessive towing to reduce wear. Consider upgrading to a high-performance transmission cooler for heavy-duty use. Additionally, resetting the transmission adaptive learning system after maintenance can improve shift quality and responsiveness.
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 2020-Present Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and technical specifications for the 2020-Present Lexus RX, including the awf8f45 transmission.
Technical Service Bulletin: Transmission Software Update
Coming SoonDetails a software update for the awf8f45 transmission to address shifting issues and improve performance in 2020-Present Lexus RX models.
Lexus RX Parts and Accessories Catalog
Coming SoonCatalog listing genuine parts and accessories for the 2020-Present Lexus RX, including transmission components and related hardware.
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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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