Pontiac Pontiac G6 2005-2010 6T70 Transmission Specifications
This document provides detailed specifications for the 6T70 transmission used in the 2005-2010 Pontiac G6. It includes essential technical data such as gear ratios, torque capacity, fluid type, and recommended maintenance intervals. These specifications are crucial for vehicle owners, mechanics, and enthusiasts to ensure proper maintenance, diagnose issues, and optimize performance. The 6T70 transmission is known for its reliability and smooth operation, making this information valuable for those looking to extend the lifespan of their vehicle or enhance its performance. Whether you're performing routine maintenance or planning upgrades, this guide serves as a comprehensive resource for understanding and working with the 6T70 transmission.
Overview Specifications
This document provides detailed specifications and technical information about the 6T70 transmission used in the 2005-2010 Pontiac G6. It includes sections on design, performance, maintenance, and troubleshooting. Use this guide to understand the transmission's key features, operational parameters, and maintenance requirements. The document is organized into sections for easy navigation, with search functionality to quickly locate specific information.
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Key Specifications
Transmission Type
6-speed automatic
Maximum Torque
300 lb-ft
Fluid Capacity
11.2 quarts
Gear Ratios
4.48:1 to 0.74:1
Weight
180 lbs
Available Specifications
Design and Construction
This section covers the structural and mechanical design of the 6T70 transmission, including its components and assembly. Learn about the materials used, the layout of internal parts, and how the transmission integrates with the vehicle's drivetrain.
Design and Construction
This section covers the structural and mechanical design of the 6T70 transmission, including its components and assembly. Learn about the materials used, the layout of internal parts, and how the transmission integrates with the vehicle's drivetrain.
Transmission Layout
- Six-speed automatic transmission
- Longitudinal mounting configuration
- Aluminum alloy housing for reduced weight
- Integrated torque converter
- Electronically controlled shifting
- Compact design for efficient packaging
Key Components
- Planetary gear sets for smooth shifting
- High-strength steel clutch plates
- Hydraulic control system for precise gear changes
- Sealed bearings for durability
- Advanced solenoid valves for fluid control
- Robust input and output shafts
Performance Specifications
Explore the performance characteristics of the 6T70 transmission, including its torque capacity, gear ratios, and efficiency. This section provides insights into how the transmission enhances the driving experience of the Pontiac G6.
Performance Specifications
Explore the performance characteristics of the 6T70 transmission, including its torque capacity, gear ratios, and efficiency. This section provides insights into how the transmission enhances the driving experience of the Pontiac G6.
Gear Ratios
- First gear: 4.48:1
- Second gear: 2.87:1
- Third gear: 1.84:1
- Fourth gear: 1.41:1
- Fifth gear: 1.00:1
- Sixth gear: 0.74:1
Torque Capacity
- Maximum torque: 300 lb-ft
- Optimized for V6 engines
- Designed for smooth power delivery
- Efficient torque transfer to wheels
- Durable components for high-stress conditions
Maintenance and Care
This section provides guidelines for maintaining the 6T70 transmission to ensure longevity and optimal performance. Learn about recommended service intervals, fluid specifications, and common maintenance tasks.
Maintenance and Care
This section provides guidelines for maintaining the 6T70 transmission to ensure longevity and optimal performance. Learn about recommended service intervals, fluid specifications, and common maintenance tasks.
Fluid Requirements
- Use Dexron VI automatic transmission fluid
- Fluid capacity: 11.2 quarts
- Check fluid level regularly
- Replace fluid every 50,000 miles
- Inspect for leaks during service
Service Intervals
- Inspect transmission every 30,000 miles
- Replace filter during fluid changes
- Check for software updates
- Monitor shift quality and responsiveness
- Address any unusual noises promptly
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Transmission Specifications
Overview
- Type
- Automatic
- Configuration
- 6-speed
- Platform
- GM FWD
- Material
- Aluminum alloy
- Location
- Front-wheel drive
- Manufacturer
- General Motors
Dimensions
- Length
- 28.5 inches (724 mm)
- Width
- 19.7 inches (500 mm)
- Height
- 14.2 inches (360 mm)
- Weight
- 180 lbs (81.6 kg)
- input Shaft Diameter
- 1.2 inches (30.5 mm)
- Output Shaft Diameter
- 1.1 inches (28 mm)
- Fluid Capacity
- 11 quarts (10.4 liters)
Materials
- Case
- Aluminum alloy
- Gears
- Hardened steel
- Clutch Plates
- Composite friction material
- Seals
- Nitrile rubber
- Shafts
- Chromoly steel
Features
- Performance
-
- Advanced shift logic
- Adaptive shift scheduling
- Sport mode
- Manual shift control
- Efficiency
-
- Wide gear ratio spread
- Low spin losses
- Optimized torque converter
- Reduced friction components
- Durability
-
- Hardened gears
- High-strength case
- Robust clutch packs
- Enhanced cooling system
- Technology
-
- Electronic controls
- Integrated TCM
- CAN bus communication
- Self-diagnostic capabilities
Safety Features
- Fail Safe
-
- Limp-home mode
- Overheat protection
- Pressure monitoring
- Control
-
- Shift interlock
- Neutral safety switch
- Park lock mechanism
Comfort Features
- Shift Quality
-
- Smooth transitions
- Adaptive learning
- Reduced shift shock
- Noise Vibration
-
- Isolated mounts
- Precision machining
- Damped components
Accessories
- Cooling
-
- Transmission cooler
- Thermostatic valve
- Cooling lines
- Mounts
-
- Rubber isolators
- Support brackets
- Fasteners
- Sensors
-
- Temperature sensor
- Speed sensor
- Pressure sensor
Maintenance
- Fluid Change interval
- 50,000 miles (80,000 km)
- Filter Change interval
- 50,000 miles (80,000 km)
- inspection Interval
- 15,000 miles (24,000 km)
- Service Items
-
- Fluid and filter replacement
- Pan gasket inspection
- Mount inspection
- Sensor diagnostics
- Cooling system check
- Notes
- Use Dexron VI transmission fluid only
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper to bumper
- Powertrain
- Miles: 100,000Years: 5Coverage: Transmission components
- Corrosion
- Miles: 100,000Years: 6Coverage: Perforation only
- Terms
- Transferable to subsequent owners
Production Details
- Manufacturer
- General Motors
- Manufacturing Process
-
- Precision casting
- CNC machining
- Heat treatment
- Assembly automation
- Quality Control
- Testing: Dyno testing, Pressure testing, Endurance testinginspection: Dimensional checks, Material verification, Functional testing
- Sustainability
-
- Recycled materials
- Energy-efficient production
- Waste reduction programs
- Production Metrics
- Units Per Day: 1,200Defect Rate: 0.02%Assembly Time: 12 minutes
Service Information for 6t70 transmission Service
Maintenance and service requirements specific to this component
- Inspect fluid level and condition
- Check for leaks
- Inspect mounts and fasteners
- Perform sensor diagnostics
- Inspect cooling system
Ensure proper fluid level and no leaks
- Replace transmission fluid
- Replace filter and gasket
- Inspect clutch packs
- Check shift quality
- Perform pressure tests
Use Dexron VI fluid and replace filter
- Overhaul transmission
- Replace worn components
- Inspect and reseal case
- Test electronic controls
- Verify cooling system efficiency
May require specialized tools and expertise
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 6T70 transmission compatible with other Pontiac models?
Is the 6T70 transmission compatible with other Pontiac models?
The 6T70 transmission is specifically designed for the 2005-2010 Pontiac G6 and may not be directly compatible with other Pontiac models without significant modifications. It is engineered to handle the 3.5L and 3.9L V6 engines used in this vehicle. Always verify compatibility with your specific vehicle and engine configuration before attempting any installation or replacement.
Q2 What are the maintenance requirements for the 6T70 transmission?
What are the maintenance requirements for the 6T70 transmission?
Regular maintenance for the 6T70 transmission includes checking and replacing the transmission fluid every 30,000 to 60,000 miles, depending on driving conditions. Inspect for leaks, ensure proper fluid levels, and monitor for unusual noises or shifting issues. Periodic inspections of the transmission mounts and seals are also recommended to maintain optimal performance and longevity.
Q3 How do I replace the 6T70 transmission in a Pontiac G6?
How do I replace the 6T70 transmission in a Pontiac G6?
Replacing the 6T70 transmission involves several steps: Disconnect the battery, remove the transmission cooler lines, detach the driveshaft, and unbolt the transmission from the engine. Carefully lower the transmission using a jack and install the new unit by reversing the steps. Ensure all connections are secure and refill with the correct transmission fluid. Professional assistance is recommended for this complex procedure.
Q4 What should I do if my 6T70 transmission is not shifting properly?
What should I do if my 6T70 transmission is not shifting properly?
If your 6T70 transmission is not shifting properly, start by checking the transmission fluid level and condition. Low or contaminated fluid can cause shifting issues. Inspect for any error codes using a diagnostic scanner. Common solutions include replacing the transmission fluid, addressing electrical issues, or repairing/replacing the shift solenoids. If problems persist, consult a professional technician.
Q5 How can I optimize the performance of my 6T70 transmission?
How can I optimize the performance of my 6T70 transmission?
To optimize the performance of your 6T70 transmission, ensure regular maintenance, including fluid changes and filter replacements. Use the manufacturer-recommended transmission fluid. Avoid aggressive driving and excessive towing. Upgrading the transmission cooler and using a performance tune can also enhance efficiency and durability. Regular diagnostics can help identify and address potential issues early.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2005-2010 Pontiac G6 6T70 Transmission Service Manual
Coming SoonComprehensive guide covering installation, maintenance, and troubleshooting for the 6T70 transmission.
Technical Service Bulletin for 6T70 Transmission Updates
Coming SoonLatest updates and fixes for common issues with the 6T70 transmission in Pontiac G6 models.
Pontiac G6 6T70 Transmission Parts Catalog
Coming SoonDetailed catalog of replacement parts and accessories for the 6T70 transmission.
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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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