Subaru Subaru Legacy 2010-2014 5EAT Transmission Specifications
This document provides detailed technical specifications for the 5-speed electronic automatic transmission (5EAT) used in the 2010-2014 Subaru Legacy. It includes gear ratios, torque converter specifications, fluid capacity, and shift points, along with maintenance recommendations and compatibility details. These specifications are essential for mechanics, enthusiasts, and owners seeking to understand the transmission's performance, diagnose issues, or perform upgrades. The data is sourced from official Subaru service manuals and technical guides, ensuring accuracy and reliability. Whether you're performing routine maintenance, troubleshooting, or planning modifications, this resource offers valuable insights into the 5EAT transmission's design and operation.
Overview Specifications
This document provides detailed specifications and technical information about the 5EAT (5-speed Electronic Automatic Transmission) used in the 2010-2014 Subaru Legacy. It is designed to assist owners, mechanics, and enthusiasts in understanding the transmission's features, maintenance requirements, and performance characteristics. Use the search and navigation instructions to quickly find the information you need.
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Key Specifications
Transmission Type
5-speed Automatic
Torque Capacity
258 lb-ft
Weight
85 kg (187 lbs)
Fluid Capacity
9.5 liters
Service Interval
60,000 miles
Available Specifications
Transmission Design
This section covers the design and engineering of the 5EAT transmission, including its construction, components, and unique features that enhance performance and durability.
Transmission Design
This section covers the design and engineering of the 5EAT transmission, including its construction, components, and unique features that enhance performance and durability.
Construction and Materials
- Aluminum alloy casing for reduced weight
- High-strength steel gears for durability
- Sealed design to prevent fluid leaks
- Integrated torque converter for smooth power delivery
Unique Features
- Sportshift manual mode for driver control
- Adaptive shift logic for optimized performance
- Electronic throttle control integration
- Reduced friction components for improved efficiency
Performance Specifications
This section provides detailed performance metrics for the 5EAT transmission, including gear ratios, shift times, and torque handling capabilities.
Performance Specifications
This section provides detailed performance metrics for the 5EAT transmission, including gear ratios, shift times, and torque handling capabilities.
Gear Ratios
- 1st Gear: 3.540:1
- 2nd Gear: 2.264:1
- 3rd Gear: 1.471:1
- 4th Gear: 1.000:1
- 5th Gear: 0.834:1
- Reverse Gear: 3.333:1
Shift Times
- Average upshift time: 0.3 seconds
- Average downshift time: 0.4 seconds
- Sport mode reduces shift times by 20%
- Adaptive logic adjusts shift times based on driving conditions
Maintenance and Service
This section outlines the maintenance requirements and service intervals for the 5EAT transmission, including fluid changes, inspections, and common troubleshooting tips.
Maintenance and Service
This section outlines the maintenance requirements and service intervals for the 5EAT transmission, including fluid changes, inspections, and common troubleshooting tips.
Fluid Specifications
- Recommended fluid: Subaru ATF-HP
- Fluid capacity: 9.5 liters (10 quarts)
- Fluid change interval: Every 60,000 miles
- Use of incorrect fluid may void warranty
Common Issues
- Delayed shifting in cold weather
- Transmission fluid leaks from seals
- Check engine light due to solenoid issues
- Regular inspections recommended to prevent major failures
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Transmission Specifications
Overview
- Type
- 5-speed automatic
- Configuration
- Longitudinal
- Platform
- Subaru Legacy 2010-2014
- Material
- Aluminum alloy casing
- Location
- Front-engine, all-wheel drive
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
- 1.1 inches (28 mm)
- Fluid Capacity
- 10.3 quarts (9.7 liters)
Materials
- Casing
- Aluminum alloy
- Gears
- Hardened steel
- Clutch Packs
- Composite friction materials
- Seals
- Viton rubber
- Sensors
- Stainless steel and plastic
Features
- Drivetrain Integration
-
- Symmetrical all-wheel drive
- Active torque split control
- Vehicle Dynamics Control (VDC)
- Shift Control
-
- Sportshift manual mode
- Adaptive shift logic
- Grade logic control
- Cooling
-
- Integrated transmission cooler
- Thermostatically controlled fluid flow
- External cooler compatibility
- Electronics
-
- CAN bus communication
- Integrated temperature sensor
- Fail-safe mode
- Performance
-
- Wide gear ratio spread
- Lock-up torque converter
- Smooth shift transitions
Safety Features
- Electronic Protection
-
- Overheat protection
- Over-rev protection
- Slip control
- Mechanical Protection
-
- Reinforced casing
- Shear pin protection
- Pressure relief valves
Comfort Features
- Noise Reduction
-
- Helical cut gears
- Isolated mounting points
- Acoustic damping materials
- Shift Quality
-
- Adaptive shift programming
- Torque converter lock-up
- Smooth engagement
- Climate Adaptation
-
- Cold weather shift patterns
- Hot weather cooling strategies
- Altitude compensation
Accessories
- Performance
-
- Transmission cooler kit
- Shift kit
- High-capacity torque converter
- Maintenance
-
- Fluid exchange kit
- Filter kit
- Gasket set
- Diagnostic
-
- OBD-II scanner
- Transmission pressure gauge
- Temperature monitor
Maintenance
- Service interval
- 30,000 miles or 24 months
- Service Items
-
- Fluid and filter replacement
- Pan gasket inspection
- Solenoid testing
- Shift linkage adjustment
- Mount inspection
- Maintenance Notes
- Use only Subaru ATF-HP fluid for optimal performance
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain
- Miles: 60,000Years: 5Coverage: Transmission components
- Corrosion
- Miles: UnlimitedYears: 5Coverage: Perforation only
- Emissions
- Miles: 80,000Years: 8Coverage: Federal emissions components
Production Details
- Manufacturer
- Subaru Corporation
- Manufacturing Process
-
- Precision CNC machining
- Automated assembly
- Laser alignment
- Quality Control
- Testing: Dyno testing, Pressure testing, Temperature cyclinginspection: Dimensional verification, Material hardness testing, Leak testing
- Sustainability
-
- Recycled aluminum content
- Closed-loop fluid system
- Low-emission manufacturing
- Production Metrics
- Units Per Day: 450Defect Rate: 0.02%Energy Use: 15 kWh per unit
Service Information for 5eat transmission Service
Maintenance and service requirements specific to the 5-speed automatic transmission
- Fluid and filter replacement
- Pan gasket inspection
- Solenoid testing
- Shift linkage adjustment
- Mount inspection
Use only Subaru ATF-HP fluid for optimal performance
- Complete fluid flush
- Valve body inspection
- Torque converter check
- Seal inspection
- Electronic diagnostics
Requires specialized transmission diagnostic tools
- Transmission overhaul
- Clutch pack replacement
- Bearing inspection
- Shift solenoid replacement
- Complete system recalibration
Major service requiring transmission removal
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 5EAT transmission compatible with other Subaru models?
Is the 5EAT transmission compatible with other Subaru models?
The 5EAT transmission used in the 2010-2014 Subaru Legacy is specifically designed for this model and may not be directly compatible with other Subaru vehicles without modifications. It is optimized for the Legacy's engine and drivetrain configuration. Always verify compatibility with a Subaru dealer or technical expert before attempting cross-model installations.
Q2 What are the maintenance requirements for the 5EAT transmission?
What are the maintenance requirements for the 5EAT transmission?
The 5EAT transmission requires regular maintenance, including fluid changes every 30,000 to 60,000 miles, depending on driving conditions. Inspect for leaks, ensure proper fluid levels, and check for software updates from Subaru. Regular servicing helps prevent wear and ensures optimal performance. Refer to the owner's manual for a detailed maintenance schedule.
Q3 How do I replace the 5EAT transmission in my Subaru Legacy?
How do I replace the 5EAT transmission in my Subaru Legacy?
Replacing the 5EAT transmission involves removing the old unit, installing a new or refurbished transmission, and reconnecting all components. Steps include draining fluids, disconnecting the driveshaft, removing mounting bolts, and ensuring proper alignment. Professional installation is recommended due to the complexity and need for specialized tools.
Q4 What should I do if my 5EAT transmission is slipping or shifting poorly?
What should I do if my 5EAT transmission is slipping or shifting poorly?
If your 5EAT transmission is slipping or shifting poorly, check the transmission fluid level and condition first. Low or contaminated fluid can cause issues. If the problem persists, inspect the solenoid valves, sensors, and wiring. A diagnostic scan tool can help identify error codes. Consult a professional mechanic for further troubleshooting.
Q5 How can I optimize the performance of my 5EAT transmission?
How can I optimize the performance of my 5EAT transmission?
To optimize the 5EAT transmission's performance, use high-quality transmission fluid, ensure regular maintenance, and avoid aggressive driving. Consider updating the transmission control module software for improved shifting. Installing an aftermarket transmission cooler can also enhance durability, especially under heavy loads or towing conditions.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Subaru Legacy 2010-2014 Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and technical specifications for the 2010-2014 Subaru Legacy, including the 5EAT transmission.
5EAT Transmission Technical Bulletin
Coming SoonTechnical service bulletin addressing common issues, updates, and fixes for the 5EAT transmission in Subaru vehicles.
Subaru Legacy Parts and Accessories Catalog
Coming SoonDetailed catalog of OEM and aftermarket parts, including transmission components, for the 2010-2014 Subaru Legacy.
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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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