Hyundai Sonata 2015-2019 A8F Transmission Specifications
This document provides detailed specifications for the A8F transmission used in the 2015-2019 Hyundai Sonata. It includes critical data such as gear ratios, torque capacity, fluid type, and service intervals. These specifications are essential for understanding the transmission's performance, maintenance requirements, and compatibility with other components. Whether you're a technician, enthusiast, or owner, this information is invaluable for ensuring proper operation, diagnosing issues, and planning upgrades. The A8F transmission is known for its reliability and efficiency, making it a key component of the Sonata's drivetrain. By following these specifications, you can optimize the transmission's lifespan and performance, ensuring a smooth and dependable driving experience.
Overview Specifications
This document provides detailed specifications and technical information about the a8f-transmission system used in the 2015-2019 Hyundai Sonata. It is designed for automotive professionals, technicians, and enthusiasts seeking in-depth knowledge about the transmission's design, performance, and maintenance. Use this guide to understand the key features, operational parameters, and troubleshooting tips for the a8f-transmission. The document is organized into sections for easy navigation and includes a quick reference for key specifications.
How to Use
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Navigate through the document using the section titles and subsections. Each major section focuses on a specific aspect of the a8f-transmission, such as design, performance, or maintenance. Click on a subsection to view detailed technical points.
Key Specifications
Transmission Type
6-speed automatic
Gear Ratios
3.5:1 to 0.7:1
Fluid Capacity
7.4 quarts
Weight
125 lbs
Service Interval
60,000 miles
Available Specifications
Design and Construction
This section covers the structural and mechanical design of the a8f-transmission, including its components, materials, and assembly. Learn about the transmission's layout, gear configuration, and internal mechanisms that contribute to its durability and efficiency.
Design and Construction
This section covers the structural and mechanical design of the a8f-transmission, including its components, materials, and assembly. Learn about the transmission's layout, gear configuration, and internal mechanisms that contribute to its durability and efficiency.
Gear Configuration
- 6-speed automatic transmission
- Planetary gear set design
- Optimized gear ratios for fuel efficiency
- Durable alloy construction for gears
- Smooth shifting mechanism
- Compact design for space efficiency
Internal Components
- High-strength steel clutch plates
- Advanced torque converter design
- Precision-engineered valve body
- Robust output shaft
- Integrated cooling system
Performance and Operation
Explore the performance characteristics and operational features of the a8f-transmission. This section includes details on power delivery, shifting behavior, and driving dynamics, as well as how the transmission adapts to different driving conditions.
Performance and Operation
Explore the performance characteristics and operational features of the a8f-transmission. This section includes details on power delivery, shifting behavior, and driving dynamics, as well as how the transmission adapts to different driving conditions.
Shifting Behavior
- Smooth and responsive gear shifts
- Adaptive shift logic for varying conditions
- Manual shift mode for enhanced control
- Quick downshifts during acceleration
- Reduced lag during upshifts
Driving Dynamics
- Optimized for both city and highway driving
- Improved fuel efficiency in eco mode
- Enhanced performance in sport mode
- Seamless integration with engine control systems
- Low noise and vibration levels
Maintenance and Troubleshooting
This section provides essential information on maintaining the a8f-transmission and addressing common issues. Learn about recommended service intervals, fluid specifications, and troubleshooting tips to ensure optimal performance and longevity.
Maintenance and Troubleshooting
This section provides essential information on maintaining the a8f-transmission and addressing common issues. Learn about recommended service intervals, fluid specifications, and troubleshooting tips to ensure optimal performance and longevity.
Service Recommendations
- Regular transmission fluid checks
- Fluid replacement every 60,000 miles
- Inspection of seals and gaskets
- Periodic software updates
- Professional diagnostics for error codes
Common Issues
- Delayed shifting response
- Transmission fluid leaks
- Unusual noises during operation
- Overheating in extreme conditions
- Error codes related to solenoid valves
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Transmission Specifications
Overview
- Type
- Automatic 8-speed
- Configuration
- Front-wheel drive
- Platform
- Hyundai-Kia Platform
- Material
- Aluminum alloy casing
- Location
- Front engine, transverse mount
Dimensions
- Length
- 24.5 in (622.3 mm)
- Width
- 16.3 in (414 mm)
- Height
- 12.7 in (322.6 mm)
- Weight
- 176.4 lbs (80 kg)
- input Shaft Diameter
- 1.2 in (30.5 mm)
- Output Shaft Diameter
- 1.1 in (27.9 mm)
- Fluid Capacity
- 7.4 quarts (7 liters)
Materials
- Casing
- Aluminum alloy
- Gears
- Hardened steel
- Clutch Packs
- Composite friction materials
- Seals
- Nitrile rubber
- Sensors
- Copper and plastic composites
Features
- Performance
-
- 8-speed gear ratios for optimal efficiency
- Advanced shift logic for smooth transitions
- Sport mode for enhanced driving dynamics
- Efficiency
-
- Low friction components for fuel savings
- Optimized gear ratios for highway cruising
- Eco mode for reduced fuel consumption
- Technology
-
- Integrated torque converter
- Electronic control unit (ECU) for precise shifting
- Adaptive learning for driver behavior
- Durability
-
- Hardened steel gears for longevity
- Robust clutch materials for high torque handling
- Corrosion-resistant casing
- integration
-
- Seamless integration with Hyundai's drive modes
- Compatible with Hyundai's SmartSense safety suite
- Designed for hybrid and non-hybrid models
Safety Features
- Fail Safes
-
- Transmission limp mode for emergency operation
- Overheat protection with automatic shutdown
- Fluid pressure monitoring for fault detection
- integration
-
- Compatible with ABS and ESC systems
- Linked to vehicle stability control
- Integrated with traction control
Comfort Features
- Noise Reduction
-
- Precision-engineered gears for quiet operation
- Sound-dampening materials in casing
- Smooth shift transitions
- Drivability
-
- Adaptive shift mapping for smooth acceleration
- Lightweight design for improved handling
- Responsive throttle input
- Climate Control
-
- Transmission cooler for consistent performance
- Thermal management system
- Fluid temperature regulation
Accessories
- installation
-
- Transmission mount kit
- Fluid drain and fill kit
- Shift cable assembly
- Maintenance
-
- Transmission fluid filter
- Seal and gasket kit
- Fluid pan replacement
- Performance
-
- Upgraded torque converter
- High-performance clutch packs
- Shift enhancement module
Maintenance
- Service interval
- Every 60,000 miles or 48 months
- Service Items
-
- Transmission fluid replacement
- Filter replacement
- Seal and gasket inspection
- Shift linkage adjustment
- Fluid pressure check
- Maintenance Notes
- Use only Hyundai-approved transmission fluid for optimal performance.
Warranty
- Basic
- Miles: 60,000Years: 5Coverage: Defects in materials or workmanship
- Powertrain
- Miles: 100,000Years: 10Coverage: Transmission components
- Corrosion
- Miles: UnlimitedYears: 7Coverage: Perforation due to rust
- Emissions
- Miles: 80,000Years: 8Coverage: Emissions-related components
Production Details
- Manufacturer
- Hyundai Motor Company
- Manufacturing Process
-
- Precision CNC machining
- Automated assembly line
- Rigorous quality control testing
- Quality Control
- Tolerance Check: ±0.001 in (0.025 mm)Pressure Test: 200 psi (13.8 bar)Temperature Test: -40°F to 250°F (-40°C to 121°C)
- Sustainability Practices
-
- Recycled aluminum in casing
- Low-emission manufacturing
- Energy-efficient production facilities
- Production Metrics
- Units Per Day: 500Defect Rate: 0.01%Production Sites: South Korea, USA
Service Information for a8f transmission Service
Maintenance and service requirements specific to this component
- Inspect transmission fluid level
- Check for leaks
- Inspect shift linkage
- Test transmission performance
Ensure fluid is at the correct level and free of contaminants.
- Replace transmission fluid
- Replace transmission filter
- Inspect seals and gaskets
- Check fluid pressure
Use only Hyundai-approved transmission fluid.
- Complete transmission fluid flush
- Replace torque converter if necessary
- Inspect clutch packs
- Perform full diagnostic scan
Major service may require specialized tools and equipment.
Common Questions
Find answers to common questions about torque specifications
Q1 What are the compatibility details for the A8F transmission in 2015-2019 Hyundai Sonata models?
What are the compatibility details for the A8F transmission in 2015-2019 Hyundai Sonata models?
The A8F transmission is specifically designed for the 2015-2019 Hyundai Sonata models equipped with the 2.4L GDI or 2.0L Turbo engines. It is a 6-speed automatic transmission with front-wheel drive configuration. Ensure your vehicle's engine and drivetrain match these specifications for compatibility. Always verify the VIN and model year with your dealer or service provider before installation.
Q2 What are the maintenance requirements for the A8F transmission?
What are the maintenance requirements for the A8F transmission?
The A8F transmission requires regular maintenance to ensure optimal performance. Hyundai recommends checking and replacing the transmission fluid every 60,000 miles or as specified in the owner's manual. Inspect for leaks, wear, and damage during routine service. Regular software updates from Hyundai dealerships may also be necessary to address performance improvements or recalls.
Q3 How do I replace the A8F transmission in a Hyundai Sonata?
How do I replace the A8F transmission in a Hyundai Sonata?
Replacing the A8F transmission involves several steps. First, disconnect the battery and remove the air intake system. Drain the transmission fluid and disconnect the driveshaft, wiring harness, and mounting bolts. Use a transmission jack to lower and remove the old transmission. Install the new transmission, reconnect all components, and refill with the specified fluid. Always refer to the service manual for detailed instructions.
Q4 What should I do if my A8F transmission is not shifting properly?
What should I do if my A8F transmission is not shifting properly?
If your A8F transmission is not shifting properly, first check the transmission fluid level and condition. Low or contaminated fluid can cause shifting issues. Inspect for error codes using an OBD-II scanner. Common causes include faulty solenoids, worn clutch packs, or software glitches. Consult a certified technician for accurate diagnosis and repair.
Q5 How can I optimize the performance of my A8F transmission?
How can I optimize the performance of my A8F transmission?
To optimize the A8F transmission's performance, use only Hyundai-recommended transmission fluid. Avoid aggressive driving and ensure regular maintenance. Keep the transmission software updated through a Hyundai dealership. Consider installing a transmission cooler if driving in extreme conditions. Properly warming up the vehicle before driving can also enhance longevity and performance.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Hyundai Sonata A8F Transmission Service Manual
Coming SoonThis manual provides detailed instructions for servicing and repairing the A8F transmission, including disassembly, inspection, and reassembly procedures.
A8F Transmission Technical Service Bulletin
Coming SoonThis bulletin addresses common issues and updates for the A8F transmission, including software updates and performance enhancements.
Hyundai Sonata Transmission Parts Catalog
Coming SoonThis catalog lists all OEM parts and accessories for the A8F transmission, including part numbers and compatibility details.
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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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