Pontiac Pontiac G8 2008-2009 6L80 Transmission Specifications
This document provides a detailed overview of the 6L80 transmission specifications for the 2008-2009 Pontiac G8. It includes technical details such as gear ratios, torque capacity, fluid type, and maintenance intervals. These specifications are essential for understanding the transmission's performance, ensuring proper maintenance, and diagnosing issues. Whether you're a mechanic, enthusiast, or owner, this information is invaluable for optimizing the transmission's lifespan and performance. The document also highlights compatibility with other models and potential upgrades, making it a comprehensive resource for anyone working with or owning a Pontiac G8.
Overview Specifications
This document provides detailed specifications and technical information about the 6L80 transmission used in the 2008-2009 Pontiac G8. It is designed to assist enthusiasts, mechanics, and owners in understanding the transmission's features, performance, and maintenance requirements. Use the search and navigation instructions to quickly find relevant information or explore the sections for in-depth details.
How to Use
Use the search functionality by entering keywords related to the 6L80 transmission, such as 'gear ratios' or 'torque capacity'. This will highlight relevant sections and subsections for quick access.
Navigate through the document by scrolling through the sections or using the table of contents. Each section is organized into subsections with detailed technical points for easy reference.
Key Specifications
Transmission Type
6-speed automatic
Maximum Torque
664 lb-ft
Fluid Capacity
11.2 quarts
Gear Ratio Spread
4.03:1 to 0.67:1
Service Interval
50,000 miles
Available Specifications
General Specifications
This section covers the basic specifications of the 6L80 transmission, including its design, compatibility, and key features. It provides a foundation for understanding the transmission's capabilities and applications.
General Specifications
This section covers the basic specifications of the 6L80 transmission, including its design, compatibility, and key features. It provides a foundation for understanding the transmission's capabilities and applications.
Design and Compatibility
- 6-speed automatic transmission
- Designed for rear-wheel-drive vehicles
- Compatible with V6 and V8 engines
- Integrated torque converter
- Electronically controlled shifting
- Adaptive shift technology
Key Features
- Wide gear ratio spread for improved performance
- Enhanced fuel efficiency
- Durable construction for high torque handling
- Smooth and precise shifting
- Integrated diagnostics for easy troubleshooting
- Low maintenance requirements
Performance and Gear Ratios
This section delves into the performance characteristics of the 6L80 transmission, including its gear ratios, shift points, and torque handling capabilities. It highlights how the transmission enhances the driving experience.
Performance and Gear Ratios
This section delves into the performance characteristics of the 6L80 transmission, including its gear ratios, shift points, and torque handling capabilities. It highlights how the transmission enhances the driving experience.
Gear Ratios
- 1st Gear: 4.03:1
- 2nd Gear: 2.36:1
- 3rd Gear: 1.53:1
- 4th Gear: 1.15:1
- 5th Gear: 0.85:1
- 6th Gear: 0.67:1
Torque Handling
- Maximum torque capacity: 664 lb-ft
- Optimized for high-performance applications
- Robust clutch packs for durability
- Efficient heat dissipation
- Designed for heavy-duty use
- Supports towing and hauling
Maintenance and Service
This section provides guidance on maintaining and servicing the 6L80 transmission. It includes recommended service intervals, fluid specifications, and common troubleshooting tips.
Maintenance and Service
This section provides guidance on maintaining and servicing the 6L80 transmission. It includes recommended service intervals, fluid specifications, and common troubleshooting tips.
Service Intervals
- Fluid change every 50,000 miles
- Filter replacement with fluid change
- Inspect seals and gaskets regularly
- Check for leaks during routine maintenance
- Monitor transmission temperature
- Update software as needed
Fluid Specifications
- Use Dexron VI automatic transmission fluid
- Fluid capacity: 11.2 quarts (dry fill)
- Ensure proper fluid level during service
- Avoid mixing fluid types
- Check for contamination during changes
- Follow manufacturer recommendations
Search Specifications
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Transmission Specifications
Overview
- Type
- 6-speed automatic
- Configuration
- Longitudinal
- Platform
- GM RWD
- Material
- Aluminum case
- Location
- Rear-wheel drive
Dimensions
- Length
- 28.5 inches (724 mm)
- Width
- 21.7 inches (551 mm)
- Height
- 14.2 inches (361 mm)
- Weight
- 187 lbs (85 kg)
- input Shaft Diameter
- 1.22 inches (31 mm)
- Output Shaft Diameter
- 1.38 inches (35 mm)
- Fluid Capacity
- 11.2 quarts (10.6 liters)
Materials
- Case
- Aluminum alloy
- Gears
- Hardened steel
- Clutches
- Composite friction materials
- Seals
- Viton rubber
- Sensors
- Stainless steel and plastic
Features
- Performance
-
- Adaptive shift control
- Tap up/tap down shifting
- Performance algorithm shifting
- Efficiency
-
- Wide gear ratio spread
- Low spin losses
- Optimized torque converter
- Durability
-
- High-strength gears
- Robust clutch packs
- Advanced cooling system
- Technology
-
- Electronic precision shift
- Integrated control module
- CAN bus communication
- Drivability
-
- Smooth shift quality
- Tow/Haul mode
- Manual shift mode
Safety Features
- Fail Safe
-
- Limp-home mode
- Overheat protection
- Low fluid protection
- Monitoring
-
- Transmission fluid temperature sensor
- Input/output speed sensors
- Pressure control sensors
Comfort Features
- Shift Quality
-
- Adaptive shift smoothing
- Neutral idle control
- Creep elimination
- Noise Reduction
-
- Isolated mounts
- Precision gear machining
- Dampened clutch engagement
Accessories
- Cooling
-
- Transmission cooler lines
- Auxiliary transmission cooler
- Thermostatic bypass valve
- Mounting
-
- Transmission crossmember
- Isolation mounts
- Torque converter bolts
- Electronics
-
- Transmission control module
- Wiring harness
- Speed sensors
Maintenance
- Service interval
- Every 50,000 miles or 48 months
- Service Items
-
- Fluid and filter change
- Pan gasket replacement
- Seal inspection
- Shift solenoid check
- Transmission mount inspection
- Notes
- Use only Dexron VI transmission fluid
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain
- Miles: 100,000Years: 5Coverage: Transmission and drivetrain
- Corrosion
- Miles: 100,000Years: 6Coverage: Perforation from corrosion
- Emissions
- Miles: 80,000Years: 8Coverage: Federal emissions components
Production Details
- Manufacturer
- General Motors
- Manufacturing Process
-
- Precision CNC machining
- Automated assembly
- Laser alignment
- Quality Control
- inspection: 100% component testingTesting: Durability testing, Shift quality analysis, Thermal cycling
- Sustainability
-
- Recycled aluminum usage
- Low VOC seals
- Energy-efficient manufacturing
- Production Metrics
- Units Per Day: 1,200Defect Rate: 0.02%Lead Time: 14 days
Service Information for 6l80 transmission Service
Maintenance and service requirements specific to this component
- Transmission fluid and filter change
- Pan gasket replacement
- Seal and gasket inspection
- Shift solenoid check
- Transmission mount inspection
Use only Dexron VI transmission fluid
- Complete fluid flush
- Valve body inspection
- Torque converter check
- Transmission cooler flush
- Shift linkage adjustment
Inspect for wear on clutch packs
- Transmission overhaul
- Clutch pack replacement
- Seal and gasket replacement
- Shift solenoid replacement
- Transmission control module update
Consider replacing torque converter if necessary
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 6L80 transmission compatible with other GM models?
Is the 6L80 transmission compatible with other GM models?
The 6L80 transmission, used in the 2008-2009 Pontiac G8, is compatible with several GM models, including the Chevrolet Silverado, GMC Sierra, and Cadillac CTS-V. It features a 6-speed automatic design with a torque capacity of up to 650 lb-ft, making it suitable for high-performance applications. However, compatibility depends on factors like engine type, drivetrain configuration, and software calibration. Always verify fitment with specific vehicle details before installation.
Q2 What are the maintenance requirements for the 6L80 transmission?
What are the maintenance requirements for the 6L80 transmission?
The 6L80 transmission requires regular maintenance to ensure longevity. GM recommends a fluid and filter change every 45,000 to 60,000 miles, depending on driving conditions. Use only Dexron VI automatic transmission fluid. Inspect for leaks, check fluid levels monthly, and monitor for abnormal shifting or noises. Additionally, the transmission control module (TCM) may require software updates to address performance issues.
Q3 How do I replace the 6L80 transmission in a Pontiac G8?
How do I replace the 6L80 transmission in a Pontiac G8?
Replacing the 6L80 transmission involves several steps: 1) Disconnect the battery and remove the air intake. 2) Drain the transmission fluid and disconnect the driveshaft and shift linkage. 3) Support the transmission with a jack and remove the crossmember and bellhousing bolts. 4) Carefully lower the transmission and install the new unit in reverse order. Torque all bolts to factory specifications and refill with Dexron VI fluid. Ensure the TCM is programmed correctly.
Q4 What are common troubleshooting steps for the 6L80 transmission?
What are common troubleshooting steps for the 6L80 transmission?
Common issues with the 6L80 include harsh shifting, slipping, or failure to engage gears. Start by checking the fluid level and condition. Inspect for leaks or damaged wiring. Use a diagnostic scanner to check for error codes in the TCM. If issues persist, inspect the valve body, solenoids, or torque converter. Software updates or recalibration may also resolve performance problems.
Q5 How can I optimize the performance of the 6L80 transmission?
How can I optimize the performance of the 6L80 transmission?
To optimize the 6L80 transmission, ensure proper fluid levels and use high-quality Dexron VI fluid. Upgrade the transmission cooler for better heat dissipation, especially in high-performance applications. Consider a custom TCM tune to improve shift points and torque management. Regularly inspect and maintain seals, solenoids, and the valve body to prevent wear and ensure smooth operation.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2008-2009 Pontiac G8 Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and technical specifications for the Pontiac G8, including the 6L80 transmission.
6L80 Transmission Technical Service Bulletin
Coming SoonLatest updates and fixes for common issues related to the 6L80 transmission, including software updates and repair procedures.
6L80 Transmission Parts Catalog
Coming SoonDetailed catalog of OEM and aftermarket parts for the 6L80 transmission, including filters, gaskets, and solenoids.
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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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