GMC Acadia 2017-2019 6T50 Transmission Specifications
This document provides detailed specifications for the 6T50 transmission used in the 2017-2019 GMC Acadia. It includes essential technical data such as gear ratios, torque capacity, fluid type, and service intervals. These specifications are crucial for understanding the transmission's performance, maintenance requirements, and compatibility with other components. Whether you're a mechanic, enthusiast, or owner, this information will help you optimize the transmission's operation, ensure proper maintenance, and make informed decisions about repairs or upgrades. The data is sourced from official service manuals and technical guides, ensuring accuracy and reliability.
Overview Specifications
This document provides detailed specifications and technical information about the 6T50 transmission used in the 2017-2019 GMC Acadia. It is designed to assist users in understanding the transmission's features, performance, and maintenance requirements. The guide is divided into sections for easy navigation, with quick reference points for key specifications. Use the search and navigation instructions to find specific details efficiently.
How to Use
Use the search functionality to locate specific terms or phrases within the document. Enter keywords related to the transmission, such as 'gear ratios' or 'fluid capacity,' to quickly find relevant information.
Navigate through the document using the section titles and subsections. Each major section covers a specific aspect of the 6T50 transmission, and subsections provide detailed points within those areas.
Key Specifications
Gear Ratios
4.58:1 to 0.75:1
Torque Capacity
250 lb-ft
Fluid Capacity
9.5 quarts
Towing Capacity
4,000 lbs
Change Interval
45,000 miles
Available Specifications
Technical Specifications
This section outlines the core technical details of the 6T50 transmission, including gear ratios, torque capacity, and fluid requirements. It provides essential information for understanding the transmission's performance and compatibility with the GMC Acadia.
Technical Specifications
This section outlines the core technical details of the 6T50 transmission, including gear ratios, torque capacity, and fluid requirements. It provides essential information for understanding the transmission's performance and compatibility with the GMC Acadia.
Gear Ratios
- First Gear: 4.58:1
- Second Gear: 2.96:1
- Third Gear: 1.91:1
- Fourth Gear: 1.45:1
- Fifth Gear: 1.00:1
- Sixth Gear: 0.75:1
Torque Capacity
- Maximum Torque: 250 lb-ft
- Designed for V6 engines
- Optimized for smooth shifting
- Supports towing up to 4,000 lbs
Maintenance and Care
This section provides guidelines for maintaining the 6T50 transmission to ensure longevity and optimal performance. It covers fluid changes, inspection intervals, and common issues to watch for.
Maintenance and Care
This section provides guidelines for maintaining the 6T50 transmission to ensure longevity and optimal performance. It covers fluid changes, inspection intervals, and common issues to watch for.
Fluid Requirements
- Recommended Fluid: Dexron VI
- Fluid Capacity: 9.5 quarts
- Change Interval: Every 45,000 miles
- Check Fluid Level Regularly
Inspection and Troubleshooting
- Inspect for leaks every 10,000 miles
- Monitor for unusual noises or vibrations
- Check for error codes using OBD-II scanner
- Consult a mechanic for persistent issues
Performance Features
This section highlights the advanced features of the 6T50 transmission that enhance the driving experience in the GMC Acadia. It includes details on shift patterns, fuel efficiency, and adaptive learning.
Performance Features
This section highlights the advanced features of the 6T50 transmission that enhance the driving experience in the GMC Acadia. It includes details on shift patterns, fuel efficiency, and adaptive learning.
Shift Patterns
- Smooth and precise gear changes
- Adaptive shift scheduling
- Sport mode for aggressive driving
- Manual mode for driver control
Fuel Efficiency
- Optimized for reduced fuel consumption
- Supports start-stop technology
- Lightweight design for improved efficiency
- Six-speed configuration for economy
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Transmission Specifications
Overview
- Type
- 6-speed automatic
- Configuration
- Front-wheel drive/All-wheel drive
- Platform
- GM Epsilon II
- Material
- Aluminum case
- Location
- Front engine, transverse mounted
Dimensions
- Length
- 28.5 inches (724 mm)
- Width
- 18.7 inches (475 mm)
- Height
- 13.2 inches (335 mm)
- Weight
- 185 lbs (84 kg)
- input Shaft Diameter
- 1.25 inches (32 mm)
- Output Shaft Diameter
- 1.12 inches (28.5 mm)
- Fluid Capacity
- 7.4 quarts (7 liters)
Materials
- Housing
- Aluminum alloy
- Gears
- High-strength steel
- Clutch Plates
- Carbon fiber composite
- Seals
- Viton rubber
Features
- Transmission Control
-
- Electronic shift control
- Adaptive shift scheduling
- Grade braking control
- Performance
-
- Wide gear ratio spread
- Smooth shift quality
- Optimized fuel efficiency
- Drivability
-
- Manual shift mode
- Tow/Haul mode
- Improved low-speed maneuverability
- Durability
-
- Enhanced thermal management
- Reinforced clutch packs
- Extended fluid life
Safety Features
- Fail Safe
-
- Limp-home mode
- Overheat protection
- Control Systems
-
- Torque management
- Anti-rollback control
Comfort Features
- Noise Vibration
-
- Precision gear machining
- Isolated mounting system
- Balanced rotating components
- Shift Quality
-
- Adaptive shift algorithms
- Reduced shift shock
- Smooth acceleration
Accessories
- Cooling
-
- Transmission cooler
- Thermostatic bypass
- Cooler lines
- Mounting
-
- Transmission mount
- Crossmember
- Bushings
- Electronics
-
- Transmission control module
- Sensors
- Wiring harness
Maintenance
- Service interval
- Every 45,000 miles (72,000 km) or 48 months
- Service Items
-
- Fluid and filter replacement
- Pan gasket inspection
- Shift linkage adjustment
- Seal inspection
- Mount inspection
- Maintenance Notes
- Use only Dexron VI transmission fluid
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain
- Miles: 60,000Years: 5Coverage: Major components
- Corrosion
- Miles: 100,000Years: 6Coverage: Perforation only
- Emissions
- Miles: 80,000Years: 8Coverage: EPA-mandated components
Production Details
- Manufacturer
- General Motors
- Manufacturing Process
-
- Casting
- Machining
- Assembly
- Testing
- Quality Control
- inspection: 100% of units testedTesting: Durability and performance testingCertification: ISO 9001 compliant
- Sustainability Practices
-
- Recycled materials usage
- Waste reduction programs
- Energy-efficient manufacturing
- Production Metrics
- Units Per Day: 1200Defect Rate: 0.5%Capacity Utilization: 85%
Service Information for 6t50 transmission Service
Maintenance and service requirements specific to this component
- Inspect transmission fluid level
- Check for leaks
- Inspect transmission mounts
- Scan for diagnostic trouble codes
Ensure proper fluid level for optimal performance
- Replace transmission fluid and filter
- Inspect pan gasket
- Check shift linkage
- Inspect seals and bushings
Use only specified transmission fluid
- Complete transmission service
- Inspect clutch packs
- Check valve body operation
- Perform pressure tests
Requires specialized equipment and training
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 6T50 transmission compatible with other GMC models?
Is the 6T50 transmission compatible with other GMC models?
The 6T50 transmission is specifically designed for the 2017-2019 GMC Acadia. While it shares some design elements with other GM transmissions, it is not directly compatible with other GMC models due to differences in mounting points, electronics, and drivetrain configurations. Always verify compatibility using your vehicle's VIN and consult a GM-certified technician before attempting any modifications.
Q2 What are the maintenance requirements for the 6T50 transmission?
What are the maintenance requirements for the 6T50 transmission?
The 6T50 transmission requires regular maintenance to ensure optimal performance. This includes checking and replacing the transmission fluid every 45,000 to 60,000 miles, inspecting for leaks, and ensuring the transmission control module software is up to date. Additionally, have the transmission inspected by a certified technician every 30,000 miles to identify and address potential issues early.
Q3 How do I replace the 6T50 transmission in my GMC Acadia?
How do I replace the 6T50 transmission in my GMC Acadia?
Replacing the 6T50 transmission involves several steps: 1) Disconnect the battery and remove the air intake system. 2) Drain the transmission fluid and disconnect the driveshaft, wiring harness, and cooler lines. 3) Support the engine and remove the transmission crossmember. 4) Carefully lower and remove the transmission. Installation is the reverse of removal. Ensure proper alignment and torque specifications. It's recommended to consult the service manual or a professional for detailed instructions.
Q4 What are common troubleshooting steps for the 6T50 transmission?
What are common troubleshooting steps for the 6T50 transmission?
Common issues with the 6T50 transmission include harsh shifting, slipping gears, and fluid leaks. Start by checking the transmission fluid level and condition. Inspect for leaks around the pan, seals, and cooler lines. Use a diagnostic scanner to check for error codes in the transmission control module. If issues persist, consult a certified technician for further diagnosis and repair.
Q5 How can I optimize the performance of my 6T50 transmission?
How can I optimize the performance of my 6T50 transmission?
To optimize the 6T50 transmission's performance, use only GM-approved transmission fluid and ensure it is changed at recommended intervals. Keep the transmission control module software updated. Avoid aggressive driving and ensure proper cooling by maintaining the transmission cooler and lines. Regularly inspect and replace worn components such as mounts and bushings to reduce stress on the transmission.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2017-2019 GMC Acadia Service Manual
Coming SoonThe official service manual for the 2017-2019 GMC Acadia, covering detailed repair and maintenance procedures for the 6T50 transmission and other components.
6T50 Transmission Technical Bulletin
Coming SoonA technical service bulletin addressing common issues and updates for the 6T50 transmission, including software updates and repair procedures.
GMC Acadia Parts and Accessories Guide
Coming SoonA comprehensive catalog of OEM parts and accessories for the 2017-2019 GMC Acadia, including transmission components and upgrades.
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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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