GMC Acadia 2007-2016 6T70 Transmission Specifications
This document provides a detailed overview of the 6T70 transmission specifications for the 2007-2016 GMC Acadia. It includes critical technical details such as gear ratios, torque capacity, fluid type, and service intervals. These specifications are essential for owners, mechanics, and enthusiasts to ensure proper maintenance, diagnose issues, and optimize performance. The 6T70 transmission, known for its reliability and efficiency, plays a vital role in the vehicle's drivetrain. Understanding these specifications helps in identifying compatible parts, planning upgrades, and adhering to manufacturer-recommended service procedures. This resource is particularly valuable for those performing repairs, conducting routine maintenance, or exploring performance enhancements for their GMC Acadia.
6T70 Transmission Overview Specifications
This document provides detailed specifications and technical information about the 6T70 transmission used in 2007-2016 GMC Acadia models. It covers key features, performance data, maintenance guidelines, and troubleshooting tips. Whether you're a mechanic, enthusiast, or owner, this guide will help you understand the transmission's operation and care. Use the sections and search functionality to find specific information quickly and efficiently.
How to Use
Use the search bar to find specific terms or topics within the document. Enter keywords like 'torque converter' or 'fluid capacity' to jump directly to relevant sections.
Navigate through the document using the table of contents. Click on section titles to expand and view subsections. Use the quick reference section for a summary of key specifications.
Key Specifications
Gear Ratios
6-speed
Torque Capacity
315 lb-ft
Fluid Capacity
9.5 quarts
Weight
187 lbs
Shift Control
Adaptive
Available Specifications
Technical Specifications
This section outlines the fundamental technical details of the 6T70 transmission, including gear ratios, torque capacity, and fluid requirements. It provides essential data for understanding the transmission's performance capabilities.
Technical Specifications
This section outlines the fundamental technical details of the 6T70 transmission, including gear ratios, torque capacity, and fluid requirements. It provides essential data for understanding the transmission's performance capabilities.
Gear Ratios
- 1st Gear: 4.48:1
- 2nd Gear: 2.87:1
- 3rd Gear: 1.84:1
- 4th Gear: 1.41:1
- 5th Gear: 1.00:1
- 6th Gear: 0.74:1
Torque Capacity
- Maximum Torque: 315 lb-ft
- Engine Compatibility: 3.6L V6
- Torque Converter Lockup: Yes
- Shift Points: Optimized for performance and fuel efficiency
Fluid Requirements
- Transmission Fluid Type: Dexron VI
- Fluid Capacity: 9.5 quarts (with cooler)
- Fluid Change Interval: 50,000 miles
- Filter Replacement: Recommended with fluid change
Performance Features
This section highlights the advanced performance features of the 6T70 transmission, including its adaptive shift control, smooth operation, and fuel efficiency enhancements. It explains how these features contribute to the overall driving experience.
Performance Features
This section highlights the advanced performance features of the 6T70 transmission, including its adaptive shift control, smooth operation, and fuel efficiency enhancements. It explains how these features contribute to the overall driving experience.
Adaptive Shift Control
- Automatically adjusts shift points based on driving conditions
- Enhances performance in varying terrains
- Improves fuel efficiency
- Reduces wear and tear
Smooth Operation
- Seamless gear transitions
- Reduced shift shock
- Enhanced driver comfort
- Quiet operation
Fuel Efficiency
- Optimized gear ratios for better mileage
- Lockup torque converter reduces energy loss
- Eco mode for improved fuel economy
- Lightweight design reduces overall vehicle weight
Maintenance and Troubleshooting
This section provides guidelines for maintaining the 6T70 transmission and troubleshooting common issues. It includes tips for regular maintenance, signs of potential problems, and recommended solutions.
Maintenance and Troubleshooting
This section provides guidelines for maintaining the 6T70 transmission and troubleshooting common issues. It includes tips for regular maintenance, signs of potential problems, and recommended solutions.
Regular Maintenance
- Check fluid levels every 10,000 miles
- Replace fluid and filter every 50,000 miles
- Inspect for leaks regularly
- Ensure proper cooling system function
Common Issues
- Delayed shifting
- Transmission slipping
- Unusual noises
- Check engine light with transmission codes
Troubleshooting Tips
- Reset adaptive shift control if shifting issues occur
- Check for software updates from the dealer
- Inspect and replace faulty sensors
- Consult a professional for complex issues
Search Specifications
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Type to search through torque specifications. Results will appear below as you type.
Transmission Specifications
Overview
- Type
- 6-speed automatic
- Configuration
- Longitudinal
- Platform
- GM Lambda platform
- Material
- Aluminum and steel composite
- Location
- Front engine, front-wheel drive/all-wheel drive
Dimensions
- Length
- 22.5 inches / 571.5 mm
- Width
- 18.3 inches / 464.8 mm
- Height
- 12.7 inches / 322.6 mm
- Weight
- 187 lbs / 84.8 kg
- input Shaft Diameter
- 1.2 inches / 30.5 mm
- Output Shaft Diameter
- 1.4 inches / 35.6 mm
- Fluid Capacity
- 9.5 quarts / 9 liters
Materials
- Housing
- Aluminum alloy
- Gears
- Hardened steel
- Clutches
- Composite friction material
- Shafts
- High-strength steel
Features
- Shift Technology
-
- Adaptive shift control
- Manual shift mode
- Tap-up/tap-down shifting
- Drivetrain Options
-
- Front-wheel drive
- All-wheel drive
- Performance Enhancements
-
- Torque converter lockup
- Electronic line pressure control
- Enhanced cooling system
- Diagnostics
-
- On-board diagnostics
- Self-learning shift algorithms
- Fail-safe mode
Safety Features
- Fail Safe Mode
-
- Limits maximum speed
- Prevents gear slippage
- Overheat Protection
-
- Automatic fluid cooling
- Temperature monitoring
- Electronic Controls
-
- Shift interlock system
- Anti-rollback feature
Comfort Features
- Smooth Shifting
-
- Adaptive shift algorithms
- Torque management
- Quiet Operation
-
- Precision gear meshing
- Noise-dampening materials
- User interface
-
- Paddle shifters
- Gear position indicator
Accessories
- Transmission Fluids
-
- Dexron VI
- Synthetic blend
- High-performance fluids
- Cooling Systems
-
- Auxiliary cooler
- Integrated cooler
- Thermostatic control
- Mounting Hardware
-
- Transmission mounts
- Crossmember
- Bracket kits
Maintenance
- Service interval
- Every 50,000 miles / 60 months
- Service Items
-
- Fluid and filter change
- Inspect for leaks
- Check shift quality
- Inspect mounts and linkages
- Scan for diagnostic codes
- Maintenance Notes
- Use only recommended fluids and follow manufacturer guidelines
Warranty
- Basic Warranty
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain Warranty
- Miles: 100,000Years: 5Coverage: Transmission and drivetrain
- Corrosion Warranty
- Miles: 100,000Years: 6Coverage: Perforation from rust
- Emissions Warranty
- Miles: 80,000Years: 8Coverage: Emissions-related components
Production Details
- Manufacturer
- General Motors
- Manufacturing Process
-
- Precision machining
- Automated assembly
- Quality testing
- Quality Control
- inspection: 100% component inspectionTesting: Durability and performance tests
- Sustainability Practices
-
- Recycled materials
- Energy-efficient manufacturing
- Production Metrics
- Approximately 500,000 units annually
Service Information for 6t70 transmission Service
Maintenance and service requirements specific to this component
- Fluid level check
- Inspect for leaks
- Scan for diagnostic codes
- Check shift quality
Ensure proper fluid type is used
- Fluid and filter change
- Inspect mounts and linkages
- Check torque converter
- Test electronic controls
May require specialized tools
- Complete fluid flush
- Inspect and replace worn components
- Test transmission performance
- Check cooling system
Critical for long-term reliability
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 6T70 transmission compatible with other GMC models?
Is the 6T70 transmission compatible with other GMC models?
The 6T70 transmission is specifically designed for the 2007-2016 GMC Acadia. While it may share some similarities with other models, compatibility is not guaranteed. Always verify compatibility with your vehicle's VIN and consult a professional before attempting installation in other models.
Q2 What are the maintenance requirements for the 6T70 transmission?
What are the maintenance requirements for the 6T70 transmission?
The 6T70 transmission requires regular maintenance to ensure optimal performance. This includes checking and replacing the transmission fluid every 30,000 to 60,000 miles, inspecting for leaks, and monitoring for unusual noises or shifting issues. Follow the manufacturer’s maintenance schedule and consult a professional for detailed service intervals.
Q3 How do I replace the 6T70 transmission in my GMC Acadia?
How do I replace the 6T70 transmission in my GMC Acadia?
Replacing the 6T70 transmission involves several steps: disconnect the battery, remove the transmission crossmember, detach the driveshaft, unbolt the transmission, and carefully lower it. Install the new transmission by reversing the process. Ensure proper alignment and torque specifications. Professional installation is recommended to avoid damage.
Q4 What should I do if my 6T70 transmission is not shifting smoothly?
What should I do if my 6T70 transmission is not shifting smoothly?
If your 6T70 transmission is not shifting smoothly, start by checking the transmission fluid level and condition. Inspect for leaks, damaged sensors, or worn components. A diagnostic scan can identify error codes. Common solutions include fluid replacement, sensor repair, or solenoid replacement. Consult a technician for complex issues.
Q5 How can I optimize the performance of my 6T70 transmission?
How can I optimize the performance of my 6T70 transmission?
To optimize the 6T70 transmission’s performance, use the recommended transmission fluid, maintain proper fluid levels, and avoid aggressive driving. Regular inspections and timely repairs are essential. Consider upgrading to performance parts or tuning the transmission control module for enhanced responsiveness.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
6T70 Transmission Service Manual
Coming SoonDetailed guide covering installation, maintenance, and troubleshooting for the 6T70 transmission.
6T70 Technical Service Bulletin
Coming SoonLatest updates and fixes for common issues with the 6T70 transmission.
6T70 Parts and Accessories Catalog
Coming SoonComprehensive list of compatible parts and accessories for the 6T70 transmission.
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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.
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