Buick Regal 2011-2017 6T70 Transmission Specifications
This document provides detailed specifications for the 6T70 transmission used in the 2011-2017 Buick Regal. It covers key technical details such as gear ratios, torque capacity, fluid type, and service intervals, offering essential information for maintenance, repair, and performance upgrades. The 6T70 is a 6-speed automatic transmission known for its reliability and smooth operation, making it a critical component of the Buick Regal's powertrain. This resource is designed to assist mechanics, enthusiasts, and owners in understanding the transmission's capabilities, ensuring proper care, and diagnosing potential issues. Whether you're performing routine maintenance or planning modifications, this comprehensive guide serves as a valuable reference for optimizing the performance and longevity of your vehicle.
Overview Specifications
This document provides detailed specifications and technical information about the 6T70 transmission used in the 2011-2017 Buick Regal. It is designed to help users understand the transmission's features, performance, and maintenance requirements. Use this guide for reference, troubleshooting, or to gain a deeper understanding of the 6T70 transmission's capabilities and design.
How to Use
Use the search function by entering keywords related to the transmission, such as 'gear ratios' or 'fluid capacity'. This will help you quickly locate specific information within the document.
Navigate through the document by scrolling through the sections or using the table of contents. Each section is organized to provide clear and concise information about different aspects of the 6T70 transmission.
Key Specifications
Transmission Type
6-speed automatic
Fluid Capacity
7.0 quarts (6.6 liters)
Gear Ratios
1st: 4.48:1, 6th: 0.74:1
Recommended Fluid
Dexron VI ATF
Service Interval
Every 50,000 miles
Available Specifications
Technical Specifications
This section covers the core technical specifications of the 6T70 transmission, including its design, gear ratios, and performance metrics. It provides a comprehensive overview of the transmission's capabilities and how it enhances the driving experience in the Buick Regal.
Technical Specifications
This section covers the core technical specifications of the 6T70 transmission, including its design, gear ratios, and performance metrics. It provides a comprehensive overview of the transmission's capabilities and how it enhances the driving experience in the Buick Regal.
Design and Construction
- 6-speed automatic transmission
- Longitudinal mounting configuration
- Aluminum alloy casing for reduced weight
- Hydraulic control system for smooth shifting
- Integrated torque converter
- Electronically controlled for precise gear changes
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
Performance and Efficiency
This section highlights the performance and efficiency of the 6T70 transmission, focusing on its ability to deliver power smoothly while maintaining fuel efficiency. It also discusses the transmission's role in enhancing the overall driving dynamics of the Buick Regal.
Performance and Efficiency
This section highlights the performance and efficiency of the 6T70 transmission, focusing on its ability to deliver power smoothly while maintaining fuel efficiency. It also discusses the transmission's role in enhancing the overall driving dynamics of the Buick Regal.
Driving Dynamics
- Smooth and responsive gear shifts
- Optimized for both city and highway driving
- Enhanced acceleration and performance
- Supports engine braking for better control
- Adaptive shift logic for varying driving conditions
- Reduced shift shock for improved comfort
Fuel Efficiency
- Improved fuel economy with 6-speed design
- Reduced internal friction for efficiency
- Eco-mode for optimized fuel consumption
- Lightweight construction contributes to efficiency
- Advanced torque converter lock-up strategy
- Supports start-stop technology in compatible models
Maintenance and Service
This section provides essential information on maintaining and servicing the 6T70 transmission. It includes details on fluid requirements, service intervals, and common troubleshooting tips to ensure the transmission operates at peak performance.
Maintenance and Service
This section provides essential information on maintaining and servicing the 6T70 transmission. It includes details on fluid requirements, service intervals, and common troubleshooting tips to ensure the transmission operates at peak performance.
Fluid Requirements
- Recommended fluid: Dexron VI ATF
- Fluid capacity: 7.0 quarts (6.6 liters)
- Regular fluid checks for optimal performance
- Fluid change interval: Every 50,000 miles
- Use of synthetic fluid for extended life
- Proper fluid level critical for transmission health
Service and Troubleshooting
- Regular inspection of transmission components
- Check for leaks and damage periodically
- Diagnostic scan for error codes
- Rebuild kits available for major repairs
- Professional servicing recommended
- Common issues include delayed shifts and fluid leaks
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Transmission Specifications
Overview
- Type
- 6-speed automatic
- Configuration
- Transverse
- Platform
- GM FWD/AWD
- Material
- Aluminum casing
- Location
- Front-engine, front-wheel drive
Dimensions
- Length
- 28.5 inches (724 mm)
- Width
- 20.3 inches (516 mm)
- Height
- 14.7 inches (373 mm)
- Weight
- 182 lbs (82.5 kg)
- input Shaft Diameter
- 1.1 inches (28 mm)
- Output Shaft Diameter
- 1.3 inches (33 mm)
- Fluid Capacity
- 9.5 quarts (9 liters)
Materials
- Casing
- Aluminum alloy
- Gears
- Forged steel
- Clutches
- Composite friction material
- Bearings
- High-strength steel
Features
- Shift Technology
-
- Adaptive Shift Control
- Electronic Precision Shift
- Manual Tap-Up/Tap-Down
- Grade Braking
- Performance
-
- Wide gear ratio spread
- Low internal friction
- Optimized torque converter
- Enhanced cooling system
- integration
-
- CAN bus communication
- Integrated control module
- Compatible with AWD systems
- Seamless engine integration
Safety Features
- Fail Safe
-
- Limp-home mode
- Overheat protection
- Monitoring
-
- Fluid level sensor
- Temperature sensor
Comfort Features
- Smoothness
-
- Reduced shift shock
- Quiet operation
- Drivability
-
- Intelligent shift scheduling
- Enhanced low-speed performance
Accessories
- Fluids
-
- Dexron VI ATF
- Synthetic transmission fluid
- Tools
-
- Transmission jack
- Fluid exchange machine
- Components
-
- Transmission filter kit
- Gasket set
Maintenance
- Service interval
- Every 45,000 miles (72,000 km)
- Items
-
- Check fluid level and condition
- Replace transmission filter
- Inspect for leaks
- Check for error codes
- Test shift quality
- Notes
- Use only specified transmission fluid
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain
- Miles: 60,000Years: 5Coverage: Transmission components
- Corrosion
- Miles: 100,000Years: 6Coverage: Perforation only
- Emissions
- Miles: 50,000Years: 4Coverage: EPA-mandated components
Production Details
- Manufacturer
- General Motors
- Manufacturing Process
-
- Precision casting
- CNC machining
- Automated assembly
- Laser alignment
- Quality Control
- inspection: 100% component testingTesting: Durability and performance validationStandards: ISO 9001:2008
- Sustainability Practices
-
- Recycled aluminum usage
- Waste reduction programs
- Energy-efficient manufacturing
- Production Metrics
- Units Per Day: 1,200Defect Rate: 0.2%
Service Information for 6t70 transmission Service
Maintenance and service requirements specific to this component
- Replace transmission fluid
- Replace transmission filter
- Inspect seals and gaskets
- Check for leaks
- Reset adaptive shift tables
Use only Dexron VI or equivalent fluid
- Complete fluid flush
- Inspect clutch packs
- Check torque converter operation
- Test shift solenoids
- Verify transmission control module operation
Requires specialized diagnostic equipment
- Complete transmission overhaul
- Replace wear components
- Inspect and replace bearings as needed
- Rebuild valve body if necessary
- Perform post-rebuild testing
Only perform at authorized service centers
Common Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications of the 6T70 transmission in the 2011-2017 Buick Regal?
What are the technical specifications of the 6T70 transmission in the 2011-2017 Buick Regal?
The 6T70 is a 6-speed automatic transmission designed for front-wheel drive vehicles. It features a torque capacity of up to 280 lb-ft and is compatible with the 2.0L turbocharged and 2.4L naturally aspirated engines in the Buick Regal. It includes an electronically controlled torque converter and a wide gear ratio spread for optimal performance and fuel efficiency. It is also equipped with adaptive shift controls for improved driving dynamics.
Q2 What are the maintenance requirements for the 6T70 transmission?
What are the maintenance requirements for the 6T70 transmission?
Regular maintenance for the 6T70 includes fluid changes every 30,000 to 60,000 miles using GM-approved Dexron VI ATF. The transmission filter should be replaced every 30,000 miles. It is also recommended to inspect the transmission pan gasket and cooler lines for leaks every 15,000 miles. Additionally, software updates should be checked and applied as needed to ensure optimal performance.
Q3 How do I install or replace the 6T70 transmission?
How do I install or replace the 6T70 transmission?
To replace the 6T70 transmission, start by draining the transmission fluid and disconnecting the battery. Remove the driveshaft, coolant lines, and electrical connectors. Carefully lift the transmission out of the vehicle using a transmission jack. Install the new transmission by reversing the steps, ensuring all connections are secure. Refill the transmission fluid and perform a test drive to check for leaks and proper operation. Always refer to a factory service manual for detailed instructions.
Q4 How do I troubleshoot common issues with the 6T70 transmission?
How do I troubleshoot common issues with the 6T70 transmission?
Common issues with the 6T70 include slipping between gears, rough shifting, or the transmission not engaging properly. Start by checking the transmission fluid level and condition. Use a scan tool to retrieve any trouble codes from the TCM (Transmission Control Module). Inspect the transmission pan for metal debris, which may indicate internal damage. If issues persist, consider rebuilding or replacing the transmission. Always consult a qualified technician for complex repairs.
Q5 How can I optimize the performance of the 6T70 transmission?
How can I optimize the performance of the 6T70 transmission?
To optimize performance, ensure the transmission is properly maintained with regular fluid changes and filter replacements. Avoid aggressive driving habits that can overheat the transmission. Consider upgrading to a high-capacity transmission cooler for improved cooling under heavy loads. For enhanced shifting, install a transmission tune or performance software specifically designed for the 6T70. Always use high-quality parts and follow manufacturer recommendations for modifications.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
GM Service Manual - 6T70 Transmission
Coming SoonComprehensive service manual covering maintenance, repair, and overhaul procedures for the 6T70 transmission.
Technical Bulletin - 6T70 Transmission Updates
Coming SoonOfficial technical bulletin from GM detailing updates, improvements, and common fixes for the 6T70 transmission.
Parts Catalog - 6T70 Transmission Components
Coming SoonDetailed parts catalog listing all components, seals, and gaskets 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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