Acura TLX 2015-2020 8DCT Transmission Specifications
Comprehensive technical specifications for the 8-speed dual-clutch transmission (8DCT) used in the 2015-2020 Acura TLX. This document covers gear ratios, torque capacity, fluid requirements, shift logic, and diagnostic codes specific to the 8DCT system.
Overview Specifications
This document provides a comprehensive guide to the 8DCT transmission specifications for the 2015-2020 Acura TLX. It includes detailed technical information, maintenance recommendations, and troubleshooting tips. Use this guide to understand the transmission's features, performance capabilities, and service requirements. Navigate through the sections to find specific information or use the search functionality to locate key topics quickly.
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Key Specifications
Transmission Type
8-Speed Dual-Clutch Automatic
Gear Ratios
1st: 5.068, 2nd: 3.038, 3rd: 1.960, 4th: 1.380, 5th: 1.000, 6th: 0.800, 7th: 0.680, 8th: 0.580
Final Drive Ratio
4.235
Torque Capacity
Up to 295 lb-ft
Transmission Fluid Capacity
Approximately 3.5 quarts
Available Specifications
Transmission Overview
The 8DCT (8-Speed Dual-Clutch Transmission) is a high-performance transmission designed for the 2015-2020 Acura TLX. It features rapid gear shifts, smooth acceleration, and optimal fuel efficiency. This section provides an overview of the transmission's key features and technical specifications.
Transmission Overview
The 8DCT (8-Speed Dual-Clutch Transmission) is a high-performance transmission designed for the 2015-2020 Acura TLX. It features rapid gear shifts, smooth acceleration, and optimal fuel efficiency. This section provides an overview of the transmission's key features and technical specifications.
Key Features
- 8-Speed Dual-Clutch Transmission (DCT)
- Manual and automatic modes available
- Paddle shifters for manual control
- Adaptive shift logic for varying driving conditions
- Improved fuel efficiency compared to traditional automatics
Technical Specifications
- Gear ratios: 1st - 5.068, 2nd - 3.038, 3rd - 1.960, 4th - 1.380, 5th - 1.000, 6th - 0.800, 7th - 0.680, 8th - 0.580
- Reverse gear ratio: 3.200
- Final drive ratio: 4.235
- Torque capacity: Up to 295 lb-ft
- Weight: Approximately 170 lbs
Maintenance and Service
Regular maintenance is essential to ensure the longevity and performance of the 8DCT transmission. This section outlines the recommended service intervals and procedures for maintaining the transmission.
Maintenance and Service
Regular maintenance is essential to ensure the longevity and performance of the 8DCT transmission. This section outlines the recommended service intervals and procedures for maintaining the transmission.
Recommended Maintenance Schedule
- Transmission fluid change every 30,000 to 60,000 miles
- Inspect transmission mounts every 15,000 miles
- Check paddle shifters and gear selector functionality annually
- Replace transmission filter every 60,000 miles
- Inspect clutch pack every 90,000 miles
Service Intervals
- Normal driving conditions: Every 30,000 miles
- Severe driving conditions: Every 15,000 miles
- Track or high-performance driving: Every 10,000 miles
- Fluid flush and replacement: Every 60,000 miles
- Software updates: As recommended by the manufacturer
Troubleshooting and Repair
This section provides guidance for diagnosing and addressing common issues with the 8DCT transmission. It includes symptoms, possible causes, and recommended repair procedures.
Troubleshooting and Repair
This section provides guidance for diagnosing and addressing common issues with the 8DCT transmission. It includes symptoms, possible causes, and recommended repair procedures.
Common Issues and Symptoms
- Slipping or hesitation between gears
- Unusual noises during shifting
- Illuminate transmission warning light
- Delayed engagement from neutral to drive
- Vibrations during acceleration
Diagnostic Procedures
- Scan for trouble codes using an OBD-II scanner
- Check transmission fluid level and condition
- Inspect for signs of leaks or damage
- Test clutch pack engagement and disengagement
- Verify proper operation of solenoids and sensors
Search Specifications
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Transmission Specifications
Overview
- Type
- Dual-Clutch Transmission (DCT)
- Configuration
- Transverse-mounted
- Gears
- 8-speed
- Torque Capacity
- 295 lb-ft (400 Nm)
- Weight
- 185 lbs (83.9 kg)
- Fluid Capacity
- 3.5 quarts (3.3 liters)
Dimensions
- Length
- 23.7 inches (603 mm)
- Width
- 16.5 inches (419 mm)
- Height
- 9.8 inches (249 mm)
- Oil Pan Capacity
- 1.5 quarts (1.4 liters)
- Dry Weight
- 185 lbs (83.9 kg)
- Gear Ratios
- 1st: 3.9932nd: 2.3703rd: 1.9004th: 1.5005th: 1.1706th: 0.9007th: 0.7008th: 0.600Final Drive: 4.357
Materials
- Transmission Case
- Aluminum alloy
- Gear Set
- High-strength steel
- Clutch Pack
- Ceramic friction material
- Bearings
- High-carbon steel with tri-metal coating
- Oil Pan
- Stamped steel
Features
- Torque Vectoring
-
- Integrated with SH-AWD system
- Dynamic torque distribution
- Enhanced cornering stability
- Paddle Shifters
-
- Steering wheel-mounted
- Manual shift mode
- Rev-matching function
- Drive Modes
-
- ECON mode
- Normal mode
- Sport mode
- Manual mode
- Electronic Controls
-
- Adaptive shift logic
- Predictive gear selection
- Throttle-blipping on downshift
- Adaptive Learning
-
- Driver behavior adaptation
- Shift pattern optimization
- Sport mode calibration
Safety Features
- Protective Systems
-
- Shock-resistant mounting
- Overload protection
- Electronic fault detection
- Monitoring Systems
-
- Temperature monitoring
- Pressure monitoring
- Vibration monitoring
- Structural integrity
-
- Reinforced casing
- Crashworthy design
- Fail-safe mode
Comfort Features
- Smooth Acceleration
-
- Low-speed creep function
- Slope compensation
- Idle neutral control
- Noise Reduction
-
- Hydraulic damping system
- Isolated mounts
- Low-noise gear teeth design
- Adaptive Shifting
-
- Traffic congestion mode
- Cruise control integration
- Grade logic control
Accessories
- Transmission Fluid
-
- DCTF (Dual Clutch Transmission Fluid)
- Capacity: 3.5 quarts
- Change interval: 30,000 miles
- Filters
-
- Transmission filter kit
- Fluid pan gasket
- Filter change interval: 15,000 miles
- Software
-
- Transmission control module update tool
- Diagnostic software
- Custom shift mapping capability
Maintenance
- Service interval
- Every 30,000 miles or 36 months
- Service Items
-
- Transmission fluid change
- Filter replacement
- Clutch pack inspection
- Software update check
- Mounts and hoses inspection
- Maintenance Notes
- Recommended to use genuine Acura parts and fluids.
Warranty
- New Vehicle
- Miles: 50,000Years: 4Coverage: Bumper-to-bumper
- Powertrain
- Miles: 70,000Years: 6Coverage: Drivetrain components
- Emissions
- Miles: 150,000Years: 15Coverage: Emissions-related components
- Accessories
- Miles: 50,000Years: 4Coverage: Dealer-installed accessories
Production Details
- Manufacturer
- Honda Motor Co., Ltd.
- Manufacturing Process
-
- CNC machining
- Robotic assembly
- Laser welding
- Heat treatment
- Quality Control
- inspection: End-of-line testingCertification: ISO 9001Testing: Durability testingValidation: NVH testing
- Sustainability
-
- Recyclable materials
- Low-emission manufacturing
- Energy-efficient processes
- Production Metrics
- Annual Production: 50,000 unitsPlant Capacity: 200,000 units/yearEfficiency: 95% uptimeWarranty Rate: Low defect rate
Service Information for 8DCT Transmission Service
Maintenance and service requirements specific to the 8DCT transmission in the 2015-2020 Acura TLX
- Inspect transmission fluid level
- Check for fluid leaks
- Visual inspection of transmission mounts
- Update transmission software if available
Normal driving conditions
- Replace transmission fluid
- Install new transmission filter
- Inspect clutch pack wear
- Check hydraulic system pressure
Required for high-performance driving
- Major transmission service
- Replace clutch pack
- Inspect and replace bearings if necessary
- Perform system reset and calibration
Critical for maintaining transmission health
Common Questions
Find answers to common questions about torque specifications
Q1 What is the torque capacity of the 8DCT transmission in the 2015-2020 Acura TLX?
What is the torque capacity of the 8DCT transmission in the 2015-2020 Acura TLX?
The 8-speed dual-clutch transmission (8DCT) in the 2015-2020 Acura TLX has a torque capacity of up to 295 lb-ft (400 Nm). This allows it to handle the power output of the 2.4L inline-4 and 3.5L V6 engines efficiently.
Q2 How does the 8DCT transmission improve fuel efficiency?
How does the 8DCT transmission improve fuel efficiency?
The 8DCT transmission improves fuel efficiency through its dual-clutch design, which enables rapid gear shifts with minimal power loss. It also features a wide gear ratio spread (7.1:1), allowing the engine to operate at lower RPMs during cruising, reducing fuel consumption.
Q3 What type of transmission fluid is recommended for the 8DCT in the Acura TLX?
What type of transmission fluid is recommended for the 8DCT in the Acura TLX?
Acura recommends using Honda/Acura Dual Clutch Transmission Fluid (DCTF) for the 8DCT transmission. This specialized fluid ensures optimal performance, lubrication, and cooling for the dual-clutch system. Using incorrect fluid may result in transmission damage.
Q4 What is the service interval for the 8DCT transmission fluid?
What is the service interval for the 8DCT transmission fluid?
Acura recommends inspecting the 8DCT transmission fluid every 30,000 miles (48,000 km) and replacing it every 60,000 miles (96,000 km) under normal driving conditions. Severe driving conditions may require more frequent service.
Q5 Can the 8DCT transmission be repaired or rebuilt?
Can the 8DCT transmission be repaired or rebuilt?
The 8DCT transmission is a complex component, and repairs should only be performed by certified Acura technicians using genuine parts. In some cases, a complete transmission replacement may be more cost-effective than rebuilding due to the precision engineering involved.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
8DCT Transmission Service Manual
Coming SoonOfficial Acura service manual for the 8DCT transmission, including detailed repair procedures, torque specifications, and diagnostic codes.
Dual Clutch Transmission Fluid Guide
Coming SoonA comprehensive guide on selecting and using the correct transmission fluid for the 8DCT to ensure optimal performance and longevity.
8DCT Transmission Troubleshooting
Coming SoonStep-by-step troubleshooting guide for common 8DCT transmission issues, including shift hesitation, noise, and warning lights.
Acura TLX Owner's Manual
Coming SoonThe official owner's manual for the 2015-2020 Acura TLX, including maintenance schedules and transmission care tips.
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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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