Lexus RX 2016-2019 AWF8F45 Transmission Specifications
This document provides detailed transmission specifications for the 2016-2019 Lexus RX models equipped with the AWF8F45 transmission. It includes technical details such as gear ratios, torque capacity, fluid type, and maintenance intervals. These specifications are essential for technicians, enthusiasts, and owners seeking to understand the transmission's performance, compatibility, and maintenance requirements. The information is valuable for diagnosing issues, performing repairs, or upgrading the transmission system. Whether you're referencing this for a service manual or planning modifications, this resource ensures accurate and reliable data for the Lexus RX's AWF8F45 transmission.
Overview Specifications
This document provides detailed specifications and technical information about the awf8f45-transmission used in the 2016-2019 Lexus RX models. It is designed to assist technicians, engineers, and enthusiasts in understanding the transmission's features, maintenance requirements, and performance characteristics. Use this guide to navigate through sections, search for specific details, and access quick-reference specifications for efficient troubleshooting and servicing.
How to Use
Use the search functionality to locate specific terms or phrases within the document. Enter keywords related to the transmission, such as 'gear ratios' or 'fluid capacity,' to quickly find relevant information.
Navigate through the document using the table of contents or section headings. Each major section is divided into subsections, allowing you to focus on specific aspects of the awf8f45-transmission.
Key Specifications
Transmission Type
8-speed automatic
Gear Ratios
5.250:1 to 1.000:1
Fluid Capacity
7.5 quarts
Shift Times
<200 ms
Weight
187 lbs (85 kg)
Available Specifications
Transmission Design
This section covers the design and engineering principles behind the awf8f45-transmission. It includes details on its construction, materials, and integration with the Lexus RX drivetrain.
Transmission Design
This section covers the design and engineering principles behind the awf8f45-transmission. It includes details on its construction, materials, and integration with the Lexus RX drivetrain.
Gear Configuration
- 8-speed automatic transmission
- Wide gear ratio spread for improved performance
- Optimized shift logic for smooth transitions
- Compact design for efficient packaging
- Lightweight aluminum casing
- Enhanced durability for long-term reliability
Integration with Drivetrain
- Seamless compatibility with AWD and FWD systems
- Adaptive torque distribution for AWD models
- Direct connection to the engine via a high-strength torque converter
- Integrated cooling system for optimal thermal management
- Electronic control unit (ECU) for precise shifting
Performance Specifications
This section outlines the performance metrics of the awf8f45-transmission, including gear ratios, shift times, and efficiency improvements.
Performance Specifications
This section outlines the performance metrics of the awf8f45-transmission, including gear ratios, shift times, and efficiency improvements.
Gear Ratios
- 1st gear: 5.250:1
- 2nd gear: 3.029:1
- 3rd gear: 1.950:1
- 4th gear: 1.457:1
- 5th gear: 1.221:1
- 6th gear: 1.000:1
Shift Performance
- Shift times under 200 milliseconds
- Adaptive shift mapping for driving conditions
- Sport mode for quicker shifts
- Eco mode for improved fuel efficiency
- Manual shift mode for driver control
Maintenance and Service
This section provides guidelines for maintaining and servicing the awf8f45-transmission, including fluid requirements, inspection intervals, and common troubleshooting tips.
Maintenance and Service
This section provides guidelines for maintaining and servicing the awf8f45-transmission, including fluid requirements, inspection intervals, and common troubleshooting tips.
Fluid Specifications
- Recommended fluid: Lexus ATF WS
- Fluid capacity: 7.5 quarts (7.1 liters)
- Fluid change interval: 60,000 miles
- Use of synthetic fluid for extended life
- Proper fluid level check procedure
Common Issues
- Delayed shifting in cold weather
- Transmission fluid leaks
- Check engine light due to shift solenoid issues
- Rough shifting caused by worn clutches
- Noise during gear changes
Search Specifications
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Transmission Specifications
Overview
- Type
- 8-speed automatic
- Configuration
- Front-wheel drive / All-wheel drive
- Platform
- Lexus RX (2016-2019)
- Material
- Aluminum alloy casing
- Location
- Front-engine, longitudinal
Dimensions
- Length
- 28.5 in (724 mm)
- Width
- 22.8 in (579 mm)
- Height
- 18.3 in (465 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
- 7.5 quarts (7.1 liters)
Materials
- Casing
- Aluminum alloy
- Gears
- High-strength steel
- Clutch Packs
- Carbon composite
- Seals
- Viton rubber
- Cooling Lines
- Stainless steel
Features
- Performance
-
- Adaptive shift control
- Sport mode with paddle shifters
- Eco mode for fuel efficiency
- Quick downshift response
- Technology
-
- Direct shift technology
- Electronic control unit (ECU) integration
- Torque converter lockup
- AI-driven shift mapping
- Durability
-
- Reinforced gear teeth
- High-temperature fluid compatibility
- Corrosion-resistant casing
- Sealed bearings
- Efficiency
-
- Low-friction bearings
- Optimized gear ratios
- Reduced internal drag
- Eco-friendly transmission fluid
- Safety
-
- Fail-safe mode
- Overheat protection
- Slip detection system
- Reverse lockout
Safety Features
- Mechanical
-
- Overheat protection
- Slip detection system
- Electronic
-
- Fail-safe mode
- Reverse lockout
- Driver Assistance
-
- Adaptive shift control
- AI-driven shift mapping
Comfort Features
- Noise Reduction
-
- Precision gear machining
- Vibration dampening mounts
- Smoothness
-
- Adaptive shift control
- Torque converter lockup
- Convenience
-
- Paddle shifters
- Eco mode
- Climate Control
-
- Transmission fluid cooler
- Integrated temperature sensor
Accessories
- Performance
-
- Sport mode upgrade
- Paddle shifters
- Transmission cooler
- Maintenance
-
- Transmission fluid kit
- Filter replacement kit
- Seal repair kit
- Diagnostic
-
- OBD-II scanner
- Transmission diagnostic tool
- Fluid level sensor
Maintenance
- Service interval
- Every 60,000 miles or 60 months
- Service Items
-
- Transmission fluid replacement
- Filter replacement
- Seal inspection
- Fluid level check
- Shift linkage adjustment
- Maintenance Notes
- Use only Lexus-approved transmission fluid for optimal performance.
Warranty
- Basic
- Miles: 50,000Years: 4Coverage: Parts and labor
- Powertrain
- Miles: 70,000Years: 6Coverage: Transmission components
- Corrosion
- Miles: UnlimitedYears: 6Coverage: Casing and seals
- Extended
- Miles: 100,000Years: 8Coverage: Optional extended coverage
Production Details
- Manufacturer
- Aisin Seiki Co., Ltd.
- Manufacturing Process
-
- Precision CNC machining
- Heat treatment of gears
- Automated assembly
- Quality control testing
- Quality Control
- inspection: 100% component inspectionTesting: Durability testing, Shift performance testing, Temperature resistance testing
- Sustainability Practices
-
- Recycled aluminum usage
- Eco-friendly fluid disposal
- Energy-efficient manufacturing
- Production Metrics
- Annual Output: 500,000 unitsDefect Rate: 0.01%Lead Time: 4 weeks
Service Information for awf8f45 transmission Service
Maintenance and service requirements specific to this component
- Inspect transmission fluid level
- Check for leaks
- Inspect shift linkage
- Test shift performance
Ensure fluid level is within recommended range.
- Replace transmission fluid
- Replace transmission filter
- Inspect seals and gaskets
- Test electronic control unit (ECU)
Use only Lexus-approved transmission fluid.
- Overhaul transmission
- Replace clutch packs
- Inspect and replace worn gears
- Perform full system diagnostics
Major service requires specialized tools and expertise.
Common Questions
Find answers to common questions about torque specifications
Q1 Is the awf8f45 transmission compatible with all 2016-2019 Lexus RX models?
Is the awf8f45 transmission compatible with all 2016-2019 Lexus RX models?
The awf8f45 transmission is specifically designed for the 2016-2019 Lexus RX 350 and RX 450h models. It is not compatible with other Lexus models or trims outside this range. The transmission supports both FWD and AWD configurations, ensuring optimal performance for these vehicles. Always verify your vehicle's VIN and specifications before purchasing or installing this transmission.
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 longevity and performance. Lexus recommends a transmission fluid change every 60,000 miles or 6 years, whichever comes first. Additionally, inspect the transmission for leaks, unusual noises, or shifting issues during routine service. Use only Lexus-approved transmission fluid and follow the service schedule outlined in your owner's manual.
Q3 How do I install or replace the awf8f45 transmission in a 2016-2019 Lexus RX?
How do I install or replace the awf8f45 transmission in a 2016-2019 Lexus RX?
Replacing the awf8f45 transmission requires professional expertise. Begin by safely lifting the vehicle and removing the undercarriage panels. Disconnect the battery, drain the transmission fluid, and detach the driveshaft and mounting bolts. Carefully lower the old transmission and install the new one, ensuring all connections are secure. Refill with approved transmission fluid and test for proper operation. Consult a certified technician for assistance.
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, first check 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 replacing the fluid, updating the transmission control module software, or inspecting the solenoid valves. If problems persist, consult a Lexus service center for diagnostics.
Q5 How can I optimize the performance of my awf8f45 transmission?
How can I optimize the performance of my awf8f45 transmission?
To optimize the performance of your awf8f45 transmission, ensure regular maintenance, including fluid changes and inspections. Use only Lexus-approved fluids and parts. Avoid aggressive driving and excessive towing, as these can strain the transmission. Consider updating the transmission control module software for improved shifting and efficiency. Regularly monitor for unusual noises or behaviors and address them promptly.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2016-2019 Lexus RX Transmission Service Manual
Coming SoonDetailed service manual covering the awf8f45 transmission, including installation, maintenance, and troubleshooting procedures.
Technical Service Bulletin for awf8f45 Transmission
Coming SoonLatest updates and fixes for the awf8f45 transmission, addressing common issues and software updates.
Lexus RX Transmission Parts Catalog
Coming SoonComprehensive catalog of OEM parts and accessories for the awf8f45 transmission, including part numbers and compatibility details.
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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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