GMC Savana 1996-present 6L80 Transmission Specifications
This document provides a detailed overview of the 6L80 transmission specifications for the GMC Savana from 1996 to the present. It includes key technical details such as gear ratios, torque capacity, fluid requirements, and compatibility information. These specifications are essential for understanding the transmission's performance, maintenance needs, and compatibility with various engine configurations. Whether you're a mechanic, enthusiast, or owner, this resource offers valuable insights for diagnosing issues, performing upgrades, or ensuring proper maintenance. The 6L80 transmission is known for its durability and efficiency, making it a critical component for the GMC Savana's reliability and performance.
Overview Specifications
This document provides a comprehensive guide to the 6L80 transmission specifications for the 1996-Present GMC Savana. It covers technical details, performance metrics, and maintenance tips. Use this resource to understand the transmission's features, troubleshoot issues, and ensure optimal performance. The structured layout allows easy access to specific information, making it a valuable tool for mechanics, enthusiasts, and vehicle owners.
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Browse through the sections by scrolling or clicking on the section titles. Each section is organized into subsections for easy access to detailed information.
Key Specifications
Transmission Type
6-speed automatic
Weight
214 lbs
Length
26.4 inches
Fluid Capacity
11.2 quarts
Max Torque
550 lb-ft
Available Specifications
Technical Specifications
This section outlines the core technical specifications of the 6L80 transmission, including gear ratios, torque capacity, and dimensions. It provides essential details for understanding the transmission's design and capabilities.
Technical Specifications
This section outlines the core technical specifications of the 6L80 transmission, including gear ratios, torque capacity, and dimensions. It provides essential details for understanding the transmission's design and capabilities.
Gear Ratios
- First Gear: 4.03:1
- Second Gear: 2.36:1
- Third Gear: 1.53:1
- Fourth Gear: 1.15:1
- Fifth Gear: 0.85:1
- Sixth Gear: 0.67:1
Torque Capacity
- Maximum Torque: 550 lb-ft
- Recommended Engine Power: 360 HP
- Input Shaft Torque Rating: 650 lb-ft
Performance Metrics
This section focuses on the performance characteristics of the 6L80 transmission, including shift times, fuel efficiency, and durability. It highlights the transmission's advantages in real-world applications.
Performance Metrics
This section focuses on the performance characteristics of the 6L80 transmission, including shift times, fuel efficiency, and durability. It highlights the transmission's advantages in real-world applications.
Shift Times
- Average Upshift Time: 0.3 seconds
- Average Downshift Time: 0.4 seconds
- Adaptive Shift Technology: Yes
Fuel Efficiency
- Improved MPG: Up to 8% over previous models
- Sixth Gear Overdrive: Optimized for highway driving
Maintenance and Care
This section provides guidance on maintaining the 6L80 transmission, including fluid recommendations, service intervals, and common troubleshooting tips. Proper maintenance ensures longevity and reliability.
Maintenance and Care
This section provides guidance on maintaining the 6L80 transmission, including fluid recommendations, service intervals, and common troubleshooting tips. Proper maintenance ensures longevity and reliability.
Fluid Requirements
- Fluid Type: Dexron VI
- Capacity: 11.2 quarts (pan drop)
- Fluid Change Interval: Every 50,000 miles
Common Issues
- Shift Solenoid Failures: Check for error codes P0751-P0758
- Torque Converter Lockup Issues: Inspect for shuddering
- Fluid Leaks: Verify seals and gaskets
Search Specifications
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Transmission Specifications
Overview
- Type
- 6-speed automatic
- Configuration
- Longitudinal
- Platform
- GM RWD/4WD
- Material
- Aluminum casing
- Location
- Rear-wheel drive configuration
Dimensions
- Length
- 28.5 inches (724 mm)
- Width
- 22.8 inches (579 mm)
- Height
- 16.3 inches (414 mm)
- Weight
- 187 lbs (85 kg)
- input Shaft Length
- 10.2 inches (259 mm)
- Output Shaft Length
- 12.6 inches (320 mm)
- Fluid Capacity
- 11.2 quarts (10.6 liters)
Materials
- Casing
- Aluminum alloy
- Gears
- High-strength steel
- Clutch Packs
- Composite friction materials
- Seals
- Viton rubber
- Cooling Lines
- Steel with rubber hoses
Features
- Performance
-
- Wide gear ratio spread (6.04:1)
- Adaptive shift control
- Tow/Haul mode
- Performance algorithm shifting
- Efficiency
-
- Reduced internal friction
- Optimized gear ratios
- Thermal management system
- Durability
-
- Heavy-duty clutch packs
- Reinforced input shaft
- High-capacity cooling system
- Technology
-
- Electronic precision shift
- Integrated control module
- CAN bus communication
- Drivability
-
- Smooth shift quality
- Low-speed maneuverability
- Hill start assist
Safety Features
- Mechanical Protection
-
- Overheat protection
- Torque converter lockup control
- Electronic Safeguards
-
- Fail-safe mode
- Shift interlock system
- Driver Assistance
-
- Grade braking
- Trailer sway control
Comfort Features
- Noise Reduction
-
- Precision gear machining
- Isolated mounting points
- Shift Quality
-
- Adaptive shift scheduling
- Torque management system
- Climate Adaptation
-
- Cold start optimization
- Hot weather performance mode
- User interface
-
- Driver selectable modes
- Shift position indicator
Accessories
- Cooling
-
- Auxiliary transmission cooler
- Thermostatic control valve
- High-flow cooling lines
- Mounting
-
- Heavy-duty crossmember
- Isolated transmission mount
- Alignment dowels
- Electronic
-
- Transmission control module
- Wiring harness kit
- 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
- Cooling system flush
- Maintenance Notes
- Use only Dexron VI transmission fluid. Inspect for leaks and wear during service.
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: 80,000Years: 8Coverage: Federal emissions components
- Warranty Terms
- Transferable to subsequent owners. Deductible may apply.
Production Details
- Manufacturer
- General Motors
- Manufacturing Process
-
- Precision CNC machining
- Automated assembly
- Laser alignment
- Quality Control
- Dimensional Checks: 100% inspectionPerformance Testing: Dyno testingLeak Testing: Pressure and vacuum testing
- Sustainability Practices
-
- Recycled aluminum usage
- Closed-loop coolant system
- Waste reduction initiatives
- Production Metrics
- Annual Output: Approximately 500,000 unitsDefect Rate: Less than 0.1%Production Time: 2.5 hours per unit
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
- Cooling system inspection
Use only Dexron VI transmission fluid. Check for leaks and wear.
- Complete fluid flush
- Valve body inspection
- Torque converter check
- Transmission mount inspection
- Cooling system flush
May require special tools for valve body service.
- Complete transmission overhaul
- Clutch pack replacement
- Bearing inspection
- Shift fork check
- Performance testing
Consider professional rebuild or replacement at this interval.
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 6L80 transmission compatible with all GMC Savana models from 1996 to present?
Is the 6L80 transmission compatible with all GMC Savana models from 1996 to present?
The 6L80 transmission is compatible with GMC Savana models from 2009 to present, specifically those equipped with V8 engines. Earlier models (1996-2008) may require significant modifications due to differences in engine mounts, electronics, and drivetrain configurations. Always verify compatibility with your specific model year and engine type before installation.
Q2 What are the maintenance requirements for the 6L80 transmission in a GMC Savana?
What are the maintenance requirements for the 6L80 transmission in a GMC Savana?
The 6L80 transmission requires regular maintenance, including fluid and filter changes every 50,000 miles. Use Dexron VI automatic transmission fluid for optimal performance. Inspect for leaks, monitor shift quality, and ensure the transmission control module (TCM) is updated with the latest software. Regular maintenance prevents wear and extends the transmission's lifespan.
Q3 How do I install or replace a 6L80 transmission in a GMC Savana?
How do I install or replace a 6L80 transmission in a GMC Savana?
To install or replace a 6L80 transmission, first disconnect the battery and remove the driveshaft, exhaust, and crossmember. Support the engine, unbolt the transmission, and carefully lower it. Install the new transmission by aligning it with the engine, securing bolts, and reconnecting components. Refill with Dexron VI fluid, reprogram the TCM, and test for proper operation.
Q4 What are common troubleshooting steps for a 6L80 transmission in a GMC Savana?
What are common troubleshooting steps for a 6L80 transmission in a GMC Savana?
Common issues include harsh shifting, slipping, or no movement. Check fluid levels and condition, inspect for leaks, and scan for diagnostic trouble codes (DTCs) using a compatible scanner. Ensure the TCM is updated and wiring connections are secure. If problems persist, consult a professional for further diagnosis and repair.
Q5 How can I optimize the performance of my 6L80 transmission in a GMC Savana?
How can I optimize the performance of my 6L80 transmission in a GMC Savana?
Optimize performance by using high-quality Dexron VI fluid, ensuring proper fluid levels, and updating the TCM software. Consider installing a performance torque converter or shift kit for improved responsiveness. Regularly inspect and maintain the transmission 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.
6L80 Transmission Service Manual
Coming SoonDetailed service manual covering installation, maintenance, and troubleshooting for the 6L80 transmission in GMC Savana models.
6L80 Technical Service Bulletin (TSB)
Coming SoonLatest updates and fixes for common issues with the 6L80 transmission, including software updates and part replacements.
6L80 Parts and Accessories Catalog
Coming SoonComprehensive catalog of OEM and aftermarket parts for the 6L80 transmission, including filters, gaskets, and performance upgrades.
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Important information about using this content
Always refer to your vehicle's service manual and take appropriate safety precautions when performing any maintenance or repairs.
General Information
Warranty & Liability
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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