Subaru Subaru Outback 2005-2009 5EAT Transmission Specifications
This document provides detailed technical specifications for the 5EAT (5-speed electronic automatic transmission) used in the 2005-2009 Subaru Outback. It includes gear ratios, torque converter specifications, fluid capacity, and shift points, as well as maintenance intervals and common troubleshooting tips. These specifications are essential for mechanics, enthusiasts, and owners looking to understand the transmission's performance, ensure proper maintenance, or diagnose issues. The data is sourced from official Subaru service manuals and technical bulletins, ensuring accuracy and reliability. Whether you're performing routine maintenance, upgrading components, or repairing the transmission, this guide offers valuable insights to help you achieve optimal performance and longevity.
Overview Specifications
This document provides detailed specifications and technical information about the 5EAT (5-speed Electronic Automatic Transmission) used in the 2005-2009 Subaru Outback. It is designed to assist users in understanding the transmission's features, maintenance requirements, and performance characteristics. Use this guide to navigate through sections, search for specific details, and reference key specifications quickly.
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Key Specifications
Transmission Type
5-speed Electronic Automatic
Fluid Capacity
10.5 quarts (10 liters)
Torque Capacity
258 lb-ft
Weight
Approx. 200 lbs (90.7 kg)
Gear Ratios
3.540 (1st) to 0.834 (5th)
Available Specifications
Transmission Design and Features
This section covers the design and key features of the 5EAT transmission, including its electronic control system, gear configuration, and performance enhancements.
Transmission Design and Features
This section covers the design and key features of the 5EAT transmission, including its electronic control system, gear configuration, and performance enhancements.
Electronic Control System
- Utilizes an advanced electronic control unit (ECU) for precise gear shifts
- Adaptive shift logic adjusts to driving conditions and driver behavior
- Includes fail-safe mode to protect the transmission during malfunctions
- Supports manual shift mode for driver-controlled gear changes
Gear Configuration
- 5 forward gears and 1 reverse gear
- Wide gear ratio spread for improved acceleration and fuel efficiency
- Smooth gear transitions with minimal shift shock
- Optimized for both city and highway driving conditions
Maintenance and Service
This section provides guidelines for maintaining and servicing the 5EAT transmission, including fluid requirements, inspection intervals, and common troubleshooting tips.
Maintenance and Service
This section provides guidelines for maintaining and servicing the 5EAT transmission, including fluid requirements, inspection intervals, and common troubleshooting tips.
Fluid Requirements
- Uses Subaru ATF-HP transmission fluid
- Fluid capacity: Approximately 10.5 quarts (10 liters)
- Regular fluid changes recommended every 60,000 miles
- Check fluid level using the dipstick or inspection plug
Inspection and Troubleshooting
- Inspect for leaks around the transmission case and seals
- Monitor for unusual noises or vibrations during operation
- Check for error codes using an OBD-II scanner
- Replace worn components such as solenoids or sensors as needed
Performance and Specifications
This section outlines the performance characteristics and technical specifications of the 5EAT transmission, including torque capacity, gear ratios, and weight.
Performance and Specifications
This section outlines the performance characteristics and technical specifications of the 5EAT transmission, including torque capacity, gear ratios, and weight.
Torque Capacity
- Rated for up to 258 lb-ft of torque
- Designed to handle the power output of Subaru's H6 and turbocharged engines
- Robust construction for durability under heavy loads
Gear Ratios
- 1st gear: 3.540
- 2nd gear: 2.264
- 3rd gear: 1.471
- 4th gear: 1.000
- 5th gear: 0.834
- Reverse gear: 3.333
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Transmission Specifications
Overview
- Type
- 5-speed automatic
- Configuration
- Longitudinal
- Platform
- Subaru Legacy/Outback
- 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
- 185 lbs (84 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 composites
Features
- Drivetrain Integration
-
- Symmetrical AWD compatibility
- Active torque split control
- Electronic throttle control integration
- Shift Control
-
- Sport mode with manual shift capability
- Adaptive shift logic
- Grade logic control
- Downshift rev matching
- Cooling
-
- Integrated transmission fluid cooler
- Thermostatically controlled cooling
- Auxiliary cooler option
- Electronics
-
- CAN bus communication
- Integrated TCM (Transmission Control Module)
- Multiple sensor inputs for shift optimization
- Durability
-
- Heavy-duty clutch packs
- Reinforced planetary gearset
- High-capacity torque converter
Safety Features
- Fail Safe
-
- Limp-home mode
- Overheat protection
- Pressure monitoring
- Shift interlock
-
- Brake-shift interlock system
- Park position safety lock
- Warning Systems
-
- Transmission temperature warning
- Fluid level monitoring
- Shift position indicator
Comfort Features
- Shift Quality
-
- Smooth shift programming
- Adaptive learning
- Reduced shift shock
- Noise Reduction
-
- Helical cut gears
- Vibration dampening mounts
- Acoustic insulation
- Ergonomics
-
- Paddle shifters (optional)
- Intuitive shift pattern
- Clear gear position display
Accessories
- Performance
-
- Transmission cooler kit
- Shift kit
- High-capacity torque converter
- Maintenance
-
- Transmission fluid exchange kit
- Filter kit
- Seal replacement kit
- Diagnostic
-
- OBD-II scanner
- Transmission pressure tester
- Fluid temperature gauge
Maintenance
- Service interval
- 30,000 miles or 24 months
- Service Items
-
- Fluid and filter replacement
- Seal inspection
- Shift linkage adjustment
- Mount inspection
- Electronic system diagnostics
- Notes
- Use only Subaru ATF-HP fluid for optimal performance
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Parts and labor
- Powertrain
- Miles: 60,000Years: 5Coverage: Major transmission components
- Corrosion
- Miles: UnlimitedYears: 5Coverage: Perforation only
- Emissions
- Miles: 80,000Years: 8Coverage: Emission-related components
Production Details
- Manufacturer
- Subaru Corporation
- Manufacturing Process
-
- Precision CNC machining
- Automated assembly
- Laser alignment
- Pressure testing
- Quality Control
- Dimensional Checks: 100% inspectionPressure Testing: All unitsElectronic Testing: Full system diagnostics
- Sustainability
-
- Recycled aluminum usage
- Closed-loop fluid systems
- Energy-efficient manufacturing
- Production Metrics
- Units Per Day: 450Defect Rate: <0.1%Energy Usage: 15 kWh per unit
Service Information for 5eat transmission Service
Maintenance and service requirements specific to this component
- Transmission fluid and filter replacement
- Seal and gasket inspection
- Shift linkage adjustment
- Mount inspection
- Electronic system diagnostics
Use only Subaru ATF-HP fluid for optimal performance
- Complete fluid flush
- Valve body inspection
- Torque converter check
- Shift solenoid testing
- Transmission mount replacement
Requires specialized diagnostic equipment
- Complete transmission overhaul
- Clutch pack replacement
- Seal and gasket replacement
- Shift solenoid replacement
- Performance testing
Recommended to perform at authorized Subaru service center
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 2005-2009 Subaru Outback is specifically designed for this model and may not be directly compatible with other Subaru vehicles without modifications. It is engineered to handle the 3.0L H6 engine and AWD system. Always verify compatibility with your vehicle's VIN and consult 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 to ensure optimal performance. Subaru recommends a fluid and filter change every 60,000 miles or as specified in the owner's manual. Inspect for leaks, check fluid levels, and ensure the transmission is operating within the correct temperature range. Neglecting maintenance can lead to premature wear or failure.
Q3 How do I replace the 5EAT transmission in my Subaru Outback?
How do I replace the 5EAT transmission in my Subaru Outback?
Replacing the 5EAT transmission involves several steps: disconnect the battery, remove the driveshaft, drain the transmission fluid, and detach the transmission mounts and wiring harnesses. Use a transmission jack to safely lower the old unit and install the new one. Reconnect all components, refill with the recommended fluid, and test for proper operation. Professional assistance is recommended.
Q4 What should I do if my 5EAT transmission is slipping or shifting roughly?
What should I do if my 5EAT transmission is slipping or shifting roughly?
If your 5EAT transmission is slipping or shifting roughly, start by checking the transmission fluid level and condition. Low or contaminated fluid can cause these issues. Inspect for error codes using an OBD-II scanner. If no obvious issues are found, consult a professional for a thorough diagnostic, as internal components like solenoids or clutches may need attention.
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, use only Subaru-approved transmission fluid and ensure regular maintenance. Avoid aggressive driving and excessive towing, as these can strain the transmission. Consider installing an aftermarket transmission cooler for improved thermal management. Regularly update the transmission control module software if updates are available from Subaru.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2005-2009 Subaru Outback 5EAT Service Manual
Coming SoonComprehensive guide covering installation, maintenance, and troubleshooting for the 5EAT transmission.
Subaru Technical Service Bulletin 05-52-08
Coming SoonAddresses common issues and updates for the 5EAT transmission, including software updates and diagnostic procedures.
Subaru Outback 5EAT Parts Catalog
Coming SoonDetailed catalog of OEM and aftermarket parts for the 5EAT transmission, including part numbers and compatibility 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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