Cadillac DTS 2006-2011 4T80 Transmission Specifications
This document provides detailed technical specifications for the 4T80-E transmission used in the 2006-2011 Cadillac DTS. It covers key aspects such as gear ratios, torque converter details, fluid capacity, and shift points. These specifications are essential for mechanics, enthusiasts, and owners looking to understand, maintain, or upgrade their vehicle's transmission. The information is sourced from official service manuals and technical guides, ensuring accuracy and reliability. Whether you're diagnosing issues, performing routine maintenance, or planning performance upgrades, this comprehensive overview will serve as a valuable resource to optimize your Cadillac DTS's transmission performance.
Overview Specifications
This document provides detailed specifications and technical information about the 4T80-E transmission used in the 2006-2011 Cadillac DTS. It is designed to assist technicians, engineers, and enthusiasts in understanding the transmission's features, maintenance, and performance. Use this guide to locate specific details, navigate through sections, and access quick-reference data for efficient troubleshooting and servicing.
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Key Specifications
Gear Ratios
1st: 2.92, 2nd: 1.57, 3rd: 1.00, 4th: 0.69
Max Torque Capacity
440 lb-ft
Fluid Capacity
12.5 quarts
Weight
215 lbs
Service Interval
50,000 miles
Available Specifications
General Information
This section provides an overview of the 4T80-E transmission, including its design, purpose, and compatibility with the Cadillac DTS. Learn about its key features and how it integrates with the vehicle's drivetrain.
General Information
This section provides an overview of the 4T80-E transmission, including its design, purpose, and compatibility with the Cadillac DTS. Learn about its key features and how it integrates with the vehicle's drivetrain.
Transmission Design
- 4-speed automatic transmission
- Designed for front-wheel-drive vehicles
- Hydro-mechanical control system
- High torque capacity for luxury sedans
- Compatible with 4.6L Northstar V8 engine
Key Features
- Integrated torque converter
- Electronic shift control module
- Dual overdrive gears for fuel efficiency
- Heavy-duty construction for durability
- Adaptive shift programming
Technical Specifications
This section covers the technical details of the 4T80-E transmission, including dimensions, weight, fluid capacity, and performance metrics. Use this information for servicing and diagnostics.
Technical Specifications
This section covers the technical details of the 4T80-E transmission, including dimensions, weight, fluid capacity, and performance metrics. Use this information for servicing and diagnostics.
Dimensions and Weight
- Length: 26.5 inches
- Width: 17.3 inches
- Height: 14.2 inches
- Weight: 215 lbs
- Case material: Aluminum alloy
Fluid and Capacity
- Transmission fluid type: Dexron VI
- Fluid capacity: 12.5 quarts
- Cooling system: Integrated cooler
- Filter type: Replaceable cartridge
- Fluid change interval: 50,000 miles
Maintenance and Troubleshooting
This section provides guidelines for maintaining the 4T80-E transmission and troubleshooting common issues. Follow these steps to ensure optimal performance and longevity.
Maintenance and Troubleshooting
This section provides guidelines for maintaining the 4T80-E transmission and troubleshooting common issues. Follow these steps to ensure optimal performance and longevity.
Routine Maintenance
- Check fluid level monthly
- Inspect for leaks regularly
- Replace fluid and filter as recommended
- Monitor shift quality and performance
- Use only manufacturer-approved fluids
Common Issues
- Delayed or harsh shifting
- Transmission slipping
- Overheating during operation
- Fluid leaks from seals
- Check engine light with transmission codes
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Transmission Specifications
Overview
- Type
- Automatic
- Configuration
- Longitudinal
- Platform
- GM FWD
- Material
- Aluminum casing
- Location
- Front-wheel drive
Dimensions
- Length
- 28.5 inches (724 mm)
- Width
- 22.8 inches (579 mm)
- Height
- 16.3 inches (414 mm)
- Weight
- 198 lbs (90 kg)
- input Shaft Diameter
- 1.25 inches (32 mm)
- Output Shaft Diameter
- 1.5 inches (38 mm)
- Fluid Capacity
- 9.5 quarts (9 liters)
Materials
- Casing
- Aluminum alloy
- Gears
- High-strength steel
- Clutches
- Carbon fiber composite
- Seals
- Viton rubber
- Bushings
- Bronze alloy
Features
- Performance
-
- 4-speed automatic
- Electronic pressure control
- Adaptive shift programming
- Torque converter clutch
- Electronic Controls
-
- PWM solenoid control
- Integrated TCM
- CAN bus communication
- Shift quality monitoring
- Cooling
-
- Integrated transmission cooler
- Auxiliary cooler capability
- Thermal management system
- Temperature monitoring
- Durability
-
- Heavy-duty clutch packs
- Reinforced planetary gears
- High-capacity torque converter
- Hardened shafts
- Serviceability
-
- Lifetime fluid fill
- External filter access
- Dipstick-less design
- Diagnostic port access
Safety Features
- Mechanical Protection
-
- Over-torque protection
- Overheat protection
- Slip detection
- Electronic Protection
-
- Fail-safe mode
- Shift lock control
- Neutral safety switch
Comfort Features
- Shift Quality
-
- Adaptive shift control
- Smooth engagement
- Reduced shift shock
- Noise Reduction
-
- Helical cut gears
- Hydraulic damper
- Isolated mounting
- Drive Modes
-
- Normal mode
- Performance mode
- Winter mode
Accessories
- Cooling
-
- Auxiliary transmission cooler
- Temperature gauge
- Cooler lines kit
- Diagnostics
-
- OBD-II scanner
- Transmission pressure gauge
- Temperature sensor kit
- Mounting
-
- Transmission mount kit
- Crossmember reinforcement
- Bushing upgrade kit
Maintenance
- Service interval
- 100,000 miles
- Service Items
-
- Fluid and filter change
- Pan gasket replacement
- Solenoid inspection
- Bushings check
- Shift linkage adjustment
- Maintenance Notes
- Use only Dexron VI transmission fluid
Warranty
- Basic
- Miles: 36000Years: 3Coverage: Bumper-to-bumper
- Powertrain
- Miles: 60000Years: 5Coverage: Transmission components
- Corrosion
- Miles: 100000Years: 6Coverage: Perforation only
- Emissions
- Miles: 80000Years: 8Coverage: Federal emissions components
- Warranty Terms
- Transferable with ownership
Production Details
- Manufacturer
- General Motors
- Manufacturing Process
-
- Casting
- Machining
- Heat treatment
- Assembly
- Testing
- Quality Control
- Dimensional: 100% inspectionPerformance: Dyno testingDurability: Accelerated life testing
- Sustainability Practices
-
- Recycled aluminum content
- Closed-loop coolant system
- Waste reduction initiatives
- Production Metrics
- Annual Production: 150000 unitsDefect Rate: 0.05%Process Yield: 99.2%
Service Information for 4t80 transmission Service
Maintenance and service requirements specific to this component
- Inspect transmission fluid level
- Check for leaks
- Inspect cooler lines
- Test shift quality
- Scan for diagnostic codes
Maintain proper fluid level and quality
- Replace transmission fluid
- Replace filter
- Clean pan magnet
- Inspect shift solenoids
- Check transmission mounts
Use only specified transmission fluid
- Complete fluid flush
- Replace all seals
- Inspect clutch packs
- Test torque converter
- Perform pressure test
Requires specialized equipment and training
Common Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications of the 4T80 transmission in the 2006-2011 Cadillac DTS?
What are the technical specifications of the 4T80 transmission in the 2006-2011 Cadillac DTS?
The 4T80 transmission is a 4-speed automatic with an overdrive. It features a lock-up torque converter and is designed for longitudinal engine applications. Compatibility includes the Cadillac DTS with the 4.6L Northstar V8 engine. The transmission fluid capacity is approximately 10 quarts, and it requires Dexron VI fluid. The 4T80 is also equipped with adaptive shift controls and a wide gear ratio spread for optimal performance and fuel efficiency.
Q2 What are the recommended maintenance requirements for the 4T80 transmission?
What are the recommended maintenance requirements for the 4T80 transmission?
Regular maintenance for the 4T80 transmission includes fluid level checks every 5,000 miles, fluid changes every 30,000-60,000 miles, and filter replacements every 30,000 miles. Inspections of the pan gasket, cooler lines, and electrical connections should be performed annually. It is also recommended to monitor transmission temperature and ensure proper cooling system function. Always use Dexron VI fluid for optimal performance and longevity.
Q3 What steps are involved in installing or replacing the 4T80 transmission?
What steps are involved in installing or replacing the 4T80 transmission?
Replacing the 4T80 transmission requires lifting the vehicle, disconnecting the battery, draining the fluid, and removing the transmission pan. Next, disconnect the cooler lines, electrical connectors, and shift linkage. Remove the transmission mounts and crossmember, then extract the transmission. Installation is the reverse process, ensuring all connections are secure and fluid is refilled. Proper alignment and torque specifications must be followed to avoid damage.
Q4 How do I troubleshoot common issues with the 4T80 transmission?
How do I troubleshoot common issues with the 4T80 transmission?
Common issues include slipping, delayed engagement, or erratic shifting. Start by checking the fluid level and condition. Scan for trouble codes using an OBD-II scanner. Inspect the transmission pan for metal shavings or debris. Check cooler lines for leaks or blockages. If slipping occurs, test the line pressure and ensure the torque converter is functioning properly. Address any electrical issues with the TCM or solenoid pack.
Q5 How can I optimize the performance of the 4T80 transmission?
How can I optimize the performance of the 4T80 transmission?
Optimizing performance involves maintaining proper fluid levels and using high-quality Dexron VI fluid. Ensure the cooling system is functioning correctly, especially in high-stress driving conditions. Avoid excessive towing or load without proper transmission cooling upgrades. Regularly clean or replace the transmission filter and pan gasket. Consider upgrading to a high-performance torque converter or transmission pan for improved cooling and durability.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Cadillac DTS 4T80 Transmission Service Manual
Coming SoonComprehensive guide covering transmission repair, maintenance, and troubleshooting procedures.
GM Technical Bulletin: 4T80 Transmission Updates
Coming SoonOfficial updates and technical service bulletins for the 4T80 transmission in Cadillac DTS models.
4T80 Transmission Parts Catalog
Coming SoonDetailed list of OEM and aftermarket parts for the 4T80 transmission, including torque converters and filters.
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General Information
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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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