Subaru Subaru WRX 2022-present TR690 Transmission Specifications
This document provides detailed technical specifications for the TR690 transmission used in the 2022-Present Subaru WRX. It includes information on gear ratios, torque capacity, shift patterns, and lubrication requirements. These specifications are essential for vehicle owners, technicians, and enthusiasts to understand the transmission's performance, ensure proper maintenance, and identify compatibility for upgrades or repairs. The data is sourced from official Subaru service manuals and technical guides, ensuring accuracy and reliability. Whether you're diagnosing issues, planning modifications, or performing routine service, this comprehensive overview serves as a valuable resource for maximizing the performance and longevity of your Subaru WRX's transmission.
Overview Specifications
This document provides detailed specifications and technical information about the TR690 transmission used in the 2022-Present Subaru WRX. It is designed to assist enthusiasts, mechanics, and engineers 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 TR690 transmission.
How to Use
Use the search bar to enter keywords related to the TR690 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 or scroll through the sections. Each section is clearly labeled and contains subsections with detailed technical points for easy reference.
Key Specifications
Gear Ratios
3.454 (1st) to 0.582 (6th)
Torque Capacity
450 Nm
Transmission Fluid Capacity
3.7 quarts
Weight
Approx. 90 kg
Service Interval
60,000 miles
Available Specifications
Transmission Design
This section covers the design and construction of the TR690 transmission, including its materials, layout, and key components. Learn about the engineering behind its durability and performance.
Transmission Design
This section covers the design and construction of the TR690 transmission, including its materials, layout, and key components. Learn about the engineering behind its durability and performance.
Gearbox Construction
- Aluminum alloy housing for reduced weight
- Helical-cut gears for smoother operation
- Synchronized gear engagement for precise shifts
- Reinforced casing for high torque handling
- Compact design for improved packaging
- Sealed bearings for enhanced durability
Shift Mechanism
- Short-throw shifter for quick gear changes
- Cable-operated linkage for precise control
- Dual-cone synchronizers for 1st and 2nd gears
- Reverse lockout mechanism for safety
- Optional performance shifter upgrades
- Ergonomic shift knob design
Performance Specifications
Explore the performance capabilities of the TR690 transmission, including gear ratios, torque capacity, and efficiency. This section highlights how the transmission enhances the driving experience of the Subaru WRX.
Performance Specifications
Explore the performance capabilities of the TR690 transmission, including gear ratios, torque capacity, and efficiency. This section highlights how the transmission enhances the driving experience of the Subaru WRX.
Gear Ratios
- 1st Gear: 3.454
- 2nd Gear: 1.947
- 3rd Gear: 1.296
- 4th Gear: 0.972
- 5th Gear: 0.738
- 6th Gear: 0.582
Torque and Power Handling
- Maximum torque capacity: 450 Nm
- Designed for high-performance turbocharged engines
- Optimized for Subaru's symmetrical AWD system
- Efficient power transfer with minimal losses
- Heat-treated gears for high-stress conditions
- Compatible with aftermarket performance upgrades
Maintenance and Service
This section provides guidelines for maintaining and servicing the TR690 transmission. Learn about recommended service intervals, fluid specifications, and common troubleshooting tips.
Maintenance and Service
This section provides guidelines for maintaining and servicing the TR690 transmission. Learn about recommended service intervals, fluid specifications, and common troubleshooting tips.
Service Intervals
- Transmission fluid change every 60,000 miles
- Inspect clutch system every 30,000 miles
- Check shift linkage for wear annually
- Replace synchronizers as needed
- Lubricate shift mechanism during service
- Monitor for unusual noises or vibrations
Fluid Specifications
- Recommended fluid: Subaru Extra MT Fluid
- Capacity: 3.7 quarts (3.5 liters)
- Synthetic formulation for extended life
- Compatible with high-performance additives
- Check fluid level every 15,000 miles
- Avoid mixing with incompatible fluids
Search Specifications
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Type to search through torque specifications. Results will appear below as you type.
Transmission Specifications
Overview
- Type
- 6-speed manual
- Configuration
- front-engine, all-wheel drive
- Platform
- Subaru Global Platform
- Material
- aluminum alloy casing
- Location
- front longitudinal
Dimensions
- Length
- 28.5 in (724 mm)
- Width
- 22.8 in (579 mm)
- Height
- 18.3 in (465 mm)
- Weight
- 125 lbs (56.7 kg)
- input Shaft Diameter
- 1.2 in (30.5 mm)
- Output Shaft Diameter
- 1.5 in (38.1 mm)
- Gear Ratio 1st
- 3.454:1
- Gear Ratio 6th
- 0.756:1
Materials
- Casing
- aluminum alloy
- Gears
- hardened steel
- Synchros
- carbon composite
- Bearings
- high-strength steel
- Seals
- nitrile rubber
Features
- Performance
-
- short-throw shifter
- rev-matching downshift
- high-torque capacity
- smooth gear engagement
- Durability
-
- hardened steel gears
- reinforced casing
- heat-treated components
- corrosion-resistant coating
- Efficiency
-
- low-friction bearings
- optimized gear ratios
- lightweight design
- reduced internal drag
- Drivability
-
- precise shift feel
- ergonomic shifter placement
- minimized vibration
- enhanced clutch engagement
- integration
-
- compatible with Subaru EyeSight
- seamless AWD integration
- electronic throttle control
- direct engine mounting
Safety Features
- Structural
-
- reinforced casing for impact protection
- safety shear pins
- Operational
-
- gear position sensor
- reverse lockout mechanism
- Thermal
-
- heat-resistant seals
- integrated cooling fins
Comfort Features
- Noise Reduction
-
- acoustic damping materials
- precision gear machining
- Vibration Control
-
- balanced rotating assembly
- isolated mounting points
- Ergonomics
-
- short-throw shifter
- light clutch pedal effort
- Climate Resistance
-
- temperature-stable lubricants
- sealed components
Accessories
- Performance
-
- aftermarket short-throw shifter
- upgraded clutch kit
- transmission cooler
- Protection
-
- skid plate
- transmission fluid additive
- dust cover
- Maintenance
-
- fluid pump kit
- magnetic drain plug
- service manual
Maintenance
- Service interval
- 30,000 miles or 24 months
- Service Items
-
- inspect gear oil level
- check for leaks
- inspect shift linkage
- replace gear oil
- inspect clutch operation
- Maintenance Notes
- Use Subaru Extra MT gear oil for optimal performance.
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: defects in materials or workmanship
- Powertrain
- Miles: 60,000Years: 5Coverage: transmission components
- Corrosion
- Miles: unlimitedYears: 5Coverage: perforation from corrosion
- Emissions
- Miles: 80,000Years: 8Coverage: emissions-related components
Production Details
- Manufacturer
- Subaru Corporation
- Manufacturing Process
-
- precision CNC machining
- heat treatment
- automated assembly
- quality testing
- Quality Control
- inspection: 100% component testingTolerance: ±0.001 in (0.025 mm)Testing: durability testing, thermal cycling, vibration analysis
- Sustainability
-
- recycled aluminum usage
- low-emission manufacturing
- waste reduction programs
- Production Metrics
- Units Per Day: 500Defect Rate: <0.1%Energy Efficiency: 85%
Service Information for tr690 transmission Service
Maintenance and service requirements specific to this component
- inspect gear oil level
- check for leaks
- inspect shift linkage
- replace gear oil
- inspect clutch operation
Use Subaru Extra MT gear oil for optimal performance.
- replace gear oil
- inspect synchros
- check bearing condition
- inspect seals
- test shift smoothness
Special tools required for synchro inspection.
- overhaul transmission
- replace worn components
- inspect input/output shafts
- test gear engagement
- perform vibration analysis
Major service requires transmission removal.
Common Questions
Find answers to common questions about torque specifications
Q1 Is the TR690 transmission compatible with other Subaru models?
Is the TR690 transmission compatible with other Subaru models?
The TR690 transmission is specifically designed for the 2022-Present Subaru WRX. While it shares some design elements with other Subaru transmissions, it is not directly compatible with older WRX models or other Subaru vehicles due to differences in mounting points, gear ratios, and electronic control systems. Always verify compatibility with your vehicle's specifications before attempting any modifications.
Q2 What are the maintenance requirements for the TR690 transmission?
What are the maintenance requirements for the TR690 transmission?
The TR690 transmission requires regular maintenance to ensure optimal performance. Subaru recommends changing the transmission fluid every 30,000 miles or 30 months, whichever comes first. Additionally, inspect the clutch system, seals, and mounts during routine service intervals. Always use Subaru-approved fluids and parts to maintain warranty coverage and ensure proper functionality.
Q3 How do I install or replace the TR690 transmission in my Subaru WRX?
How do I install or replace the TR690 transmission in my Subaru WRX?
Replacing the TR690 transmission involves several steps: 1) Safely lift and secure the vehicle. 2) Remove the driveshaft, exhaust components, and clutch assembly. 3) Disconnect the transmission mounts and wiring harnesses. 4) Carefully lower the transmission using a jack. Installation is the reverse process, ensuring proper alignment and torque specifications. Refer to the service manual for detailed instructions and torque values.
Q4 What should I do if my TR690 transmission is making unusual noises?
What should I do if my TR690 transmission is making unusual noises?
Unusual noises from the TR690 transmission may indicate issues such as low fluid levels, worn bearings, or gear damage. First, check the transmission fluid level and condition. If the fluid is low or contaminated, replace it. If the noise persists, inspect the clutch system and gears for wear. For persistent issues, consult a certified Subaru technician for a thorough diagnosis.
Q5 How can I optimize the performance of my TR690 transmission?
How can I optimize the performance of my TR690 transmission?
To optimize the TR690 transmission's performance, use high-quality synthetic transmission fluid and ensure proper fluid levels. Regularly inspect and maintain the clutch system. Avoid aggressive shifting and excessive loads to prolong the transmission's lifespan. For enhanced performance, consider upgrading to performance clutch kits and ensuring proper alignment of drivetrain components.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2022-Present Subaru WRX Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and troubleshooting for the 2022-Present Subaru WRX, including the TR690 transmission.
TR690 Transmission Technical Bulletin
Coming SoonLatest updates and technical information regarding the TR690 transmission, including common issues and recommended solutions.
Subaru WRX Parts and Accessories Catalog
Coming SoonDetailed catalog of OEM and aftermarket parts and accessories for the 2022-Present Subaru WRX, including transmission components.
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General Information
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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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