Subaru Subaru Outback 2005-2009 4EAT Transmission Specifications
This document provides detailed technical specifications for the 4EAT (4-speed Electronic Automatic Transmission) used in the 2005-2009 Subaru Outback. It includes gear ratios, fluid capacity, torque converter specifications, and shift points. These specifications are essential for mechanics, enthusiasts, and owners looking to understand the transmission's performance, maintenance requirements, and compatibility with other models. The data is sourced from official Subaru service manuals and technical guides, ensuring accuracy and reliability. Whether you're diagnosing issues, performing upgrades, or simply learning more about your vehicle, this resource offers valuable insights into the 4EAT transmission's design and functionality.
Overview Specifications
This document provides detailed specifications and technical information about the 4EAT (4-speed Electronic Automatic Transmission) used in the 2005-2009 Subaru Outback. It is designed to assist owners, mechanics, 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.
How to Use
Use the search functionality to quickly locate specific terms or topics within the document. Enter keywords related to the 4EAT transmission, such as 'gear ratios' or 'fluid capacity,' to find relevant information.
Navigate through the document by scrolling through sections or using the table of contents. Each section is organized into subsections with detailed points for easy reference.
Key Specifications
Transmission Type
4-speed Automatic
Fluid Capacity
9.5 quarts
Final Drive Ratio
4.111:1
Towing Capacity
2,700 lbs
Fuel Efficiency
20-25 MPG
Available Specifications
Transmission Design and Features
This section covers the design and key features of the 4EAT transmission, including its electronic control system, gear configuration, and durability. Learn about the engineering behind this transmission and how it enhances the driving experience of the Subaru Outback.
Transmission Design and Features
This section covers the design and key features of the 4EAT transmission, including its electronic control system, gear configuration, and durability. Learn about the engineering behind this transmission and how it enhances the driving experience of the Subaru Outback.
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 enhanced driver control
Gear Configuration
- 4-speed automatic transmission with overdrive
- Gear ratios optimized for balance of performance and fuel efficiency
- Final drive ratio of 4.111:1 for improved torque delivery
- Smooth and responsive gear transitions
Maintenance and Service
This section provides essential information on maintaining and servicing the 4EAT transmission. It includes details on fluid requirements, inspection intervals, and common maintenance tasks to ensure longevity and optimal performance.
Maintenance and Service
This section provides essential information on maintaining and servicing the 4EAT transmission. It includes details on fluid requirements, inspection intervals, and common maintenance tasks to ensure longevity and optimal performance.
Fluid Requirements
- Uses Subaru ATF-HP automatic transmission fluid
- Fluid capacity: Approximately 9.5 quarts (including torque converter)
- Regular fluid changes recommended every 30,000 to 60,000 miles
- Check fluid level and condition during routine inspections
Inspection and Maintenance
- Inspect transmission mounts and linkages for wear
- Check for leaks around seals and gaskets
- Monitor for unusual noises or shifting behavior
- Replace transmission filter during fluid changes
Performance and Capabilities
Explore the performance characteristics and capabilities of the 4EAT transmission, including its towing capacity, fuel efficiency, and handling in various driving conditions. This section highlights how the transmission contributes to the overall performance of the Subaru Outback.
Performance and Capabilities
Explore the performance characteristics and capabilities of the 4EAT transmission, including its towing capacity, fuel efficiency, and handling in various driving conditions. This section highlights how the transmission contributes to the overall performance of the Subaru Outback.
Towing and Load Capacity
- Rated towing capacity of up to 2,700 lbs when properly equipped
- Designed to handle heavy loads with minimal strain
- Includes transmission cooler for enhanced durability under load
- Stable performance on inclines and rough terrain
Fuel Efficiency
- Optimized gear ratios for improved highway fuel economy
- Overdrive reduces engine RPM at cruising speeds
- Average fuel efficiency of 20-25 MPG combined
- Lightweight design contributes to overall vehicle efficiency
Search Specifications
Search by specification name, value, or description
Type to search through torque specifications. Results will appear below as you type.
Transmission Specifications
Overview
- Type
- Automatic
- Configuration
- 4-speed with electronic control
- 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
- 165 lbs (75 kg)
- input Shaft Diameter
- 1.2 inches (30.5 mm)
- Output Shaft Diameter
- 1.1 inches (28 mm)
- Fluid Capacity
- 9.5 quarts (9 liters)
Materials
- Casing
- Aluminum alloy
- Gears
- Hardened steel
- Clutch Packs
- Composite friction materials
- Seals
- Viton rubber
- Cooling Lines
- Steel with rubber hoses
Features
- Drivetrain Integration
-
- Symmetrical AWD system
- Electronic torque distribution
- Active torque split control
- Shift Control
-
- Electronic shift solenoid control
- Manual shift mode
- Adaptive shift logic
- Cooling
-
- Integrated transmission cooler
- External cooler compatibility
- Temperature monitoring
- Durability
-
- Reinforced gear sets
- High-capacity clutch packs
- Sealed bearings
- Sensors
-
- Speed sensors
- Temperature sensors
- Pressure sensors
Safety Features
- Fail Safe Mode
-
- Limp-home mode
- Overheat protection
- Low fluid protection
- Electronic Controls
-
- Shift lock system
- Parking pawl safety
- Neutral safety switch
Comfort Features
- Shift Quality
-
- Smooth shift transitions
- Reduced shift shock
- Adaptive shift patterns
- Noise Reduction
-
- Helical cut gears
- Dampened clutch engagement
- Isolated mounting points
- Driver Assistance
-
- Hill holder assist
- Downshift rev matching
- Grade logic control
Accessories
- Cooling
-
- Transmission cooler kit
- Auxiliary fan
- Temperature gauge
- Performance
-
- Shift improvement kit
- High-capacity fluid pan
- Reinforced mounts
- Maintenance
-
- Fluid exchange kit
- Filter replacement kit
- Seal repair kit
Maintenance
- Service interval
- 30,000 miles or 24 months
- Service Items
-
- Fluid and filter replacement
- Seal inspection
- Solenoid testing
- Cooling system check
- Mount inspection
- Notes
- Use only Subaru-approved ATF for optimal performance.
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Parts and labor
- Powertrain
- Miles: 60,000Years: 5Coverage: Transmission components
- Corrosion
- Miles: UnlimitedYears: 5Coverage: Casing and external parts
- Extended
- Miles: 100,000Years: 7Coverage: Optional extended coverage
Production Details
- Manufacturer
- Subaru Corporation
- Manufacturing Process
-
- Precision CNC machining
- Automated assembly
- Laser alignment
- Quality Control
- Testing: Durability testing, Shift pattern validation, Temperature stress testinginspection: Dimensional accuracy, Material integrity, Seal integrity
- Sustainability
-
- Recycled aluminum usage
- Low-emission manufacturing
- Energy-efficient assembly
- Production Metrics
- Units Per Day: 500Defect Rate: 0.1%Energy Usage: 15 kWh per unit
Service Information for 4eat transmission Service
Maintenance and service requirements specific to this component
- Fluid and filter replacement
- Seal inspection
- Solenoid testing
- Cooling system check
- Mount inspection
Use only Subaru-approved ATF for optimal performance.
- Complete fluid flush
- Clutch pack inspection
- Shift solenoid replacement
- Cooling line inspection
- Transmission mount replacement
Inspect for wear on internal components.
- Transmission overhaul
- Bearing replacement
- Gear inspection
- Valve body cleaning
- Performance testing
Major service requires specialized tools and expertise.
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 4EAT transmission compatible with other Subaru models?
Is the 4EAT transmission compatible with other Subaru models?
The 4EAT 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 recommended to consult the vehicle's service manual or a Subaru dealership for compatibility details and potential cross-model applications.
Q2 What are the maintenance requirements for the 4EAT transmission?
What are the maintenance requirements for the 4EAT transmission?
The 4EAT transmission requires regular maintenance, including fluid changes every 30,000 to 60,000 miles, depending on driving conditions. Inspect the transmission fluid for color and consistency, and replace the filter if necessary. Regularly check for leaks and ensure the transmission is operating within the recommended temperature range to prolong its lifespan.
Q3 How do I replace the 4EAT transmission in my Subaru Outback?
How do I replace the 4EAT transmission in my Subaru Outback?
Replacing the 4EAT transmission involves lifting the vehicle, removing the driveshaft, disconnecting the transmission cooler lines, and unbolting the transmission from the engine. Carefully lower the transmission using a jack and install the new unit by reversing the steps. Ensure all connections are secure and refill with the recommended transmission fluid.
Q4 What should I do if my 4EAT transmission is slipping or not shifting properly?
What should I do if my 4EAT transmission is slipping or not shifting properly?
If your 4EAT transmission is slipping or not shifting, first check the transmission fluid level and condition. Low or dirty fluid can cause these issues. Inspect for leaks, damaged wiring, or faulty sensors. If the problem persists, consult a professional mechanic for a diagnostic scan to identify potential internal faults or solenoid issues.
Q5 How can I optimize the performance of my 4EAT transmission?
How can I optimize the performance of my 4EAT transmission?
To optimize the 4EAT transmission's performance, use high-quality transmission fluid and ensure it is changed regularly. Avoid excessive towing or heavy loads, and maintain proper engine performance to reduce strain on the transmission. Consider installing an auxiliary transmission cooler if you frequently drive in hot climates or under heavy loads.
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 Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and technical specifications for the 2005-2009 Subaru Outback, including the 4EAT transmission.
Subaru Technical Service Bulletin for 4EAT Transmission
Coming SoonOfficial bulletin addressing common issues, updates, and fixes for the 4EAT transmission in 2005-2009 Subaru Outback models.
Subaru Outback Parts and Accessories Catalog
Coming SoonDetailed catalog of OEM and aftermarket parts, including transmission components, for the 2005-2009 Subaru Outback.
Legal Disclaimer
Important information about using this content
Always refer to your vehicle's service manual and take appropriate safety precautions when performing any maintenance or repairs.
General Information
Warranty & Liability
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.
Intellectual Property
About the Author
Expert automotive knowledge and experience
'/%3E%3Cpath d='M60 30a20 20 0 1 1 0 40 20 20 0 0 1 0-40zm0 45c16.5 0 30 7.5 30 16.8V100H30v-8.2c0-9.3 13.5-16.8 30-16.8z' fill='%23404040'/%3E%3C/svg%3E)
Diagnostic
Specialized in advanced diagnostic techniques using modern scan tools and oscilloscopes.
Repair
Expert in both traditional mechanical repairs and modern vehicle systems.
Additional Expertise
Documentation
Created over 500 detailed repair guides and technical documents.
Training
Conducted technical training sessions and contributed to repair databases.
Certifications & Research
Certifications
- ASE Master Technician Certification
- Advanced Diagnostic Specialist
- Hybrid/Electric Vehicle Systems
- Performance Tuning Expert
Research & Community
Actively researches emerging technologies and contributes to automotive forums.