Subaru Subaru Legacy 2015-2019 Drivetrain Specifications
Explore the detailed drivetrain specifications for the 2015-2019 Subaru Legacy, including transmission types, AWD system, and differential components. Essential for maintenance, repairs, and performance upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the drivetrain of the 2015-2019 Subaru Legacy. It is designed to help users understand the key components, performance metrics, and maintenance requirements of the vehicle's drivetrain. Use the search and navigation instructions to quickly find relevant information or explore the sections for a comprehensive understanding.
How to Use
Use the search bar to enter keywords related to the drivetrain, such as 'transmission' or 'AWD system'. Results will highlight relevant sections and subsections.
Scroll through the sections or use the table of contents to jump to specific topics. Each section is organized into subsections with detailed technical points.
Key Specifications
Engine Power (2.5L)
175 hp
Torque (3.6L)
247 lb-ft
Transmission Type
CVT
AWD System
Symmetrical AWD
Fuel Efficiency (2.5L)
26-35 mpg
Available Specifications
Engine and Transmission
This section covers the engine options and transmission systems available in the 2015-2019 Subaru Legacy. It includes details on horsepower, torque, and the continuously variable transmission (CVT) system.
Engine and Transmission
This section covers the engine options and transmission systems available in the 2015-2019 Subaru Legacy. It includes details on horsepower, torque, and the continuously variable transmission (CVT) system.
Engine Options
- 2.5L 4-cylinder Boxer engine with 175 hp and 174 lb-ft of torque
- 3.6L 6-cylinder Boxer engine with 256 hp and 247 lb-ft of torque
- Direct fuel injection system for improved efficiency
- Active Valve Control System (AVCS) for optimized performance
Transmission System
- Lineartronic CVT (Continuously Variable Transmission)
- 6-speed manual transmission available on select trims
- Paddle shifters for manual control in CVT models
- Adaptive shift control for smooth acceleration
All-Wheel Drive (AWD) System
This section explains the Symmetrical All-Wheel Drive system, a hallmark of Subaru vehicles. It includes details on how the system enhances traction, stability, and performance in various driving conditions.
All-Wheel Drive (AWD) System
This section explains the Symmetrical All-Wheel Drive system, a hallmark of Subaru vehicles. It includes details on how the system enhances traction, stability, and performance in various driving conditions.
Symmetrical AWD Features
- Standard on all 2015-2019 Subaru Legacy models
- Equal weight distribution for balanced handling
- Active Torque Split for optimal power distribution
- Improved traction on slippery or uneven surfaces
Performance Benefits
- Enhanced stability during cornering
- Better acceleration in low-traction conditions
- Reduced wheel slippage on wet or icy roads
- Improved fuel efficiency compared to traditional AWD systems
Drivetrain Maintenance
This section provides guidance on maintaining the drivetrain components to ensure longevity and optimal performance. It includes recommended service intervals and common maintenance tasks.
Drivetrain Maintenance
This section provides guidance on maintaining the drivetrain components to ensure longevity and optimal performance. It includes recommended service intervals and common maintenance tasks.
Recommended Service Intervals
- Transmission fluid change every 60,000 miles
- Inspect AWD system components every 30,000 miles
- Replace differential fluid every 50,000 miles
- Check for leaks or wear during routine inspections
Common Maintenance Tasks
- Regularly inspect CVT belts for wear
- Lubricate drivetrain components as needed
- Monitor for unusual noises or vibrations
- Ensure proper alignment to prevent drivetrain stress
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Component Specifications
Overview
- Type
- Symmetrical All-Wheel Drive (AWD)
- Configuration
- Longitudinal engine layout
- Platform
- Subaru Global Platform
- Material
- High-strength steel and aluminum
- Location
- Front-engine, all-wheel drive
Dimensions
- Driveshaft Length
- 72.8 inches (185 cm)
- Transmission Length
- 28.3 inches (72 cm)
- Differential Width
- 22.4 inches (57 cm)
- Axle Diameter
- 1.5 inches (3.8 cm)
- Transfer Case Width
- 14.2 inches (36 cm)
- Propeller Shaft Diameter
- 2.8 inches (7.1 cm)
- Ground Clearance
- 5.9 inches (15 cm)
Materials
- Driveshaft
- High-strength steel
- Transmission Housing
- Aluminum alloy
- Differential Case
- Ductile iron
- Axles
- Carbon steel
- Transfer Case
- Aluminum alloy
Features
- Transmission
-
- Lineartronic CVT (Continuously Variable Transmission)
- 6-speed manual (optional)
- Paddle shifters (CVT models)
- Sport mode (CVT models)
- Differential
-
- Active Torque Split AWD
- Electronic limited-slip differential
- Torque vectoring
- X-Mode for off-road conditions
- Suspension
-
- MacPherson strut front suspension
- Double-wishbone rear suspension
- Stabilizer bars front and rear
- Hydraulic bushings
- Braking
-
- Ventilated front disc brakes
- Solid rear disc brakes
- Electronic brake-force distribution
- Anti-lock braking system (ABS)
- Steering
-
- Electric power-assisted steering
- Variable gear ratio
- Steering wheel-mounted controls
- Tilt and telescopic adjustment
Safety Features
- Stability Control
-
- Vehicle Dynamics Control (VDC)
- Traction Control System (TCS)
- Hill Start Assist
- Braking Safety
-
- Electronic Brake-force Distribution (EBD)
- Brake Assist
- Anti-lock Braking System (ABS)
- Collision Protection
-
- Reinforced drivetrain mounts
- Crash-resistant fuel system
- Impact-absorbing subframe
Comfort Features
- Noise Reduction
-
- Acoustic windshield
- Sound-deadening materials
- Active noise cancellation
- Ride Quality
-
- Hydraulic engine mounts
- Multi-link rear suspension
- Adaptive dampers
- Climate Control
-
- Dual-zone automatic climate control
- Rear-seat vents
- Heated front seats
- Convenience
-
- Keyless entry
- Push-button start
- Power-adjustable driver's seat
Accessories
- Performance
-
- Performance exhaust system
- Upgraded brake pads
- High-performance tires
- Protection
-
- Underbody skid plates
- Mud flaps
- Wheel arch liners
- Comfort
-
- All-weather floor mats
- Cargo tray
- Rear seatback protector
Maintenance
- Service interval
- Every 6,000 miles or 6 months
- Service Items
-
- Transmission fluid check
- Differential fluid inspection
- Driveshaft lubrication
- Axle boot inspection
- Transfer case fluid check
- Maintenance Notes
- Use only Subaru-approved fluids and lubricants for optimal performance.
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain
- Miles: 60,000Years: 5Coverage: Drivetrain components
- Corrosion
- Miles: UnlimitedYears: 5Coverage: Perforation only
- Roadside Assistance
- Miles: 36,000Years: 3Coverage: 24/7 emergency services
Production Details
- Manufacturer
- Subaru Corporation
- Manufacturing Process
-
- Automated assembly line
- Robotic welding
- Precision machining
- Quality Control
- inspection: 100% component testingTesting: Durability and performance testingCertification: ISO 9001 certified
- Sustainability Practices
-
- Recycled materials usage
- Energy-efficient manufacturing
- Waste reduction programs
- Production Metrics
- Units Per Year: 150,000Production Time: 18 hours per vehicleDefect Rate: Less than 0.1%
Service Information for drivetrain Service
Maintenance and service requirements specific to this component
- Inspect transmission fluid level
- Check differential fluid condition
- Lubricate driveshaft U-joints
- Inspect axle boots for damage
- Check transfer case fluid level
Ensure all fluids are at proper levels and free of contaminants.
- Replace transmission fluid
- Replace differential fluid
- Inspect driveshaft for wear
- Check axle seals for leaks
- Test transfer case operation
Use only Subaru-approved fluids for replacement.
- Flush and replace all drivetrain fluids
- Inspect and replace worn U-joints
- Check and adjust drivetrain alignment
- Test AWD system functionality
- Inspect and replace worn axle boots
Major service interval requires specialized tools and equipment.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the drivetrain specifications for the 2015-2019 Subaru Legacy?
What are the drivetrain specifications for the 2015-2019 Subaru Legacy?
The 2015-2019 Subaru Legacy features a standard Symmetrical All-Wheel Drive (AWD) system, paired with either a 2.5L 4-cylinder engine producing 175 hp or a 3.6L 6-cylinder engine delivering 256 hp. The transmission options include a Lineartronic CVT (Continuously Variable Transmission) for both engines. The AWD system ensures optimal traction and stability across various driving conditions, making it compatible with diverse terrains and weather conditions.
Q2 What maintenance is required for the Subaru Legacy drivetrain?
What maintenance is required for the Subaru Legacy drivetrain?
Regular maintenance for the Subaru Legacy drivetrain includes inspecting and replacing the transmission fluid every 30,000-60,000 miles, checking the differential fluid every 30,000 miles, and ensuring the AWD system is functioning properly. Additionally, inspect the driveshaft, CV joints, and axles for wear and tear. Adhering to the manufacturer’s maintenance schedule ensures longevity and optimal performance of the drivetrain components.
Q3 How do I replace the drivetrain components on a Subaru Legacy?
How do I replace the drivetrain components on a Subaru Legacy?
To replace drivetrain components, first, lift the vehicle securely and remove the undercarriage covers. For the transmission, disconnect the driveshaft, drain the fluid, and unbolt the transmission mounts. For the differential, remove the axles and drain the fluid before unbolting the differential housing. Always refer to the service manual for torque specifications and proper alignment. Use OEM or compatible parts to ensure compatibility and performance.
Q4 What should I do if my Subaru Legacy drivetrain is making noise?
What should I do if my Subaru Legacy drivetrain is making noise?
If your drivetrain is making noise, start by identifying the source. Check for worn CV joints, damaged driveshafts, or low transmission/differential fluid levels. Inspect the AWD system for any faults using a diagnostic tool. Common solutions include replacing worn components, topping off fluids, or addressing alignment issues. If the problem persists, consult a certified Subaru technician for further diagnosis.
Q5 How can I optimize the performance of my Subaru Legacy drivetrain?
How can I optimize the performance of my Subaru Legacy drivetrain?
To optimize drivetrain performance, use high-quality synthetic transmission and differential fluids. Regularly inspect and replace worn components like CV joints and driveshafts. Ensure proper tire alignment and rotation to reduce strain on the AWD system. Avoid aggressive driving and excessive towing to prevent premature wear. Upgrading to performance-oriented parts, such as a limited-slip differential, can also enhance handling and traction.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2015-2019 Subaru Legacy Service Manual
Coming SoonComprehensive guide covering drivetrain maintenance, repair procedures, and technical specifications for the 2015-2019 Subaru Legacy.
Subaru Technical Service Bulletin: AWD System Diagnostics
Coming SoonProvides diagnostic procedures and updates for the AWD system in 2015-2019 Subaru Legacy models.
Subaru Legacy Drivetrain Parts Catalog
Coming SoonDetailed catalog of OEM drivetrain components, including part numbers and compatibility information for the 2015-2019 Legacy.
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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.
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- If you're unsure about any procedure, consult a qualified professional mechanic.