Cadillac DeVille 2000-2005 4T80 Transmission Specifications
This document provides detailed specifications for the 4T80-E transmission used in the 2000-2005 Cadillac DeVille. It includes technical data such as gear ratios, torque capacity, fluid requirements, and maintenance intervals. The purpose of this information is to assist owners, mechanics, and enthusiasts in understanding the transmission's capabilities, ensuring proper maintenance, and diagnosing potential issues. The specifications are valuable for those performing repairs, upgrades, or routine service on the 4T80-E transmission. By following these guidelines, readers can optimize the transmission's performance, extend its lifespan, and maintain the vehicle's reliability and driving experience.
Overview Specifications
This document provides detailed specifications and technical information about the 4T80-E transmission used in the 2000-2005 Cadillac DeVille. It is designed to assist users in understanding the transmission's features, performance, and maintenance requirements. The document is organized into sections for easy navigation, with subsections detailing specific technical aspects. Use the search and navigation instructions to find the information you need quickly.
How to Use
Use the search function to locate specific terms or phrases within the document. Enter keywords related to the 4T80-E transmission or Cadillac DeVille to find relevant sections quickly. This is especially useful for locating specific technical details or troubleshooting information.
Navigate through the document using the section titles and subsections. Each major section covers a specific aspect of the 4T80-E transmission, with subsections breaking down the details further. Use the table of contents or scroll through the document to find the information you need.
Key Specifications
Transmission Type
4-speed automatic
Max Torque Capacity
440 lb-ft
Fluid Type
Dexron III
Compatible Models
2000-2005 Cadillac DeVille
Mounting Configuration
Longitudinal
Available Specifications
General Specifications
This section provides an overview of the general specifications of the 4T80-E transmission in the 2000-2005 Cadillac DeVille. It includes details about the transmission's design, configuration, and compatibility with the vehicle.
General Specifications
This section provides an overview of the general specifications of the 4T80-E transmission in the 2000-2005 Cadillac DeVille. It includes details about the transmission's design, configuration, and compatibility with the vehicle.
Transmission Design
- Four-speed automatic transmission
- Longitudinal mounting configuration
- Electronically controlled with adaptive shift technology
- Designed for front-wheel-drive vehicles
- Integrated torque converter
- Aluminum alloy casing for reduced weight
Compatibility
- Compatible with 2000-2005 Cadillac DeVille models
- Designed for vehicles with Northstar V8 engines
- Supports engine power output up to 300 horsepower
- Adaptable to various driving conditions
- Fits within the vehicle's existing drivetrain layout
Performance Characteristics
This section details the performance characteristics of the 4T80-E transmission, including its shift patterns, torque handling, and overall efficiency. It provides insights into how the transmission enhances the driving experience in the Cadillac DeVille.
Performance Characteristics
This section details the performance characteristics of the 4T80-E transmission, including its shift patterns, torque handling, and overall efficiency. It provides insights into how the transmission enhances the driving experience in the Cadillac DeVille.
Shift Patterns
- Smooth and precise gear shifts
- Adaptive shift technology for optimal performance
- Four forward gears and one reverse gear
- Manual shift capability for enhanced control
- Shift points optimized for fuel efficiency
- Seamless transition between gears
Torque Handling
- Maximum torque capacity of 440 lb-ft
- Efficient torque transfer through the drivetrain
- Designed to handle high engine output
- Robust internal components for durability
- Optimized for both city and highway driving
- Reduced torque loss during gear changes
Maintenance and Service
This section covers the maintenance and service requirements for the 4T80-E transmission. It includes information on fluid changes, common issues, and recommended service intervals to ensure the transmission's longevity and reliability.
Maintenance and Service
This section covers the maintenance and service requirements for the 4T80-E transmission. It includes information on fluid changes, common issues, and recommended service intervals to ensure the transmission's longevity and reliability.
Fluid Requirements
- Uses Dexron III automatic transmission fluid
- Recommended fluid change interval of 50,000 miles
- Fluid level check procedure detailed in the owner's manual
- Use of a transmission fluid cooler recommended
- Proper fluid maintenance ensures optimal performance
- Avoid overfilling to prevent damage
Common Issues
- Delayed or harsh shifts may indicate fluid issues
- Transmission slipping can be caused by worn clutches
- Check for leaks around the transmission casing
- Electrical issues may affect shift solenoids
- Regular diagnostics can prevent major problems
- Consult a professional for persistent issues
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Transmission Specifications
Overview
- Type
- Automatic
- Configuration
- Longitudinal
- Platform
- GM FWD Large Car
- Material
- Aluminum alloy casing
- Location
- Front-wheel drive
Dimensions
- Length
- 28.5 inches (724 mm)
- Width
- 18.7 inches (475 mm)
- Height
- 14.3 inches (363 mm)
- Weight
- 187 lbs (85 kg)
- input Shaft Diameter
- 1.25 inches (31.75 mm)
- Output Shaft Diameter
- 1.5 inches (38.1 mm)
- Fluid Capacity
- 12.7 quarts (12 liters)
Materials
- Housing
- Aluminum alloy
- Gears
- High-strength steel
- Clutch Packs
- Fiber and steel composite
- Seals
- Viton rubber
- Valve Body
- Aluminum with steel valves
Features
- Performance
-
- Electronic shift control
- Adaptive shift programming
- Torque converter clutch
- High-capacity cooling system
- Durability
-
- Reinforced gear sets
- Heavy-duty clutch packs
- High-temperature seals
- Efficiency
-
- Lock-up torque converter
- Optimized gear ratios
- Low-friction bearings
- Control
-
- PCM-controlled shifting
- Manual shift mode
- Grade braking control
- Monitoring
-
- Transmission temperature sensor
- Shift solenoid diagnostics
- Fluid level sensor
Safety Features
- Protection
-
- Overheat protection
- Low fluid level warning
- Fail-safe limp mode
- Control
-
- Anti-rollback feature
- Grade braking assist
Comfort Features
- Driving
-
- Smooth shift quality
- Adaptive shift patterns
- Reduced noise and vibration
- Convenience
-
- Automatic park engagement
- Remote start compatibility
- Tow/haul mode
Accessories
- Performance
-
- Transmission cooler
- Shift kit
- High-capacity torque converter
- Maintenance
-
- Filter kit
- Fluid exchange kit
- Seal replacement kit
- Diagnostic
-
- Scan tool interface
- Pressure test kit
- Temperature gauge
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Fluid and filter change
- Seal inspection
- Shift solenoid check
- Torque converter inspection
- Valve body cleaning
- Maintenance Notes
- Use only Dexron VI fluid, avoid overheating
Warranty
- Bumper To Bumper
- Miles: 36,000Years: 3Coverage: Full component coverage
- Powertrain
- Miles: 60,000Years: 5Coverage: Major components including transmission
- Corrosion
- Miles: 100,000Years: 6Coverage: Perforation only
- Emissions
- Miles: 80,000Years: 8Coverage: Emission-related components
Production Details
- Manufacturer
- General Motors
- Manufacturing Process
-
- Precision casting
- CNC machining
- Automated assembly
- Dynamic balancing
- Quality Control
- Testing: Pressure testing, Leak testing, Shift pattern verificationinspection: Dimensional accuracy, Surface finish, Component alignment
- Sustainability Practices
-
- Recycled aluminum usage
- Waste reduction programs
- Energy-efficient manufacturing
- Production Metrics
- Units Per Day: 450Defect Rate: 0.02%Assembly Time: 4.5 hours
Service Information for 4t80 transmission Service
Maintenance and service requirements specific to this component
- Fluid and filter change
- Seal and gasket inspection
- Shift solenoid operation check
- Torque converter lockup test
- Valve body cleaning
Use only Dexron VI transmission fluid
- Complete fluid flush
- Clutch pack wear inspection
- Band adjustment check
- Transmission mount inspection
- Cooler line inspection
Perform pressure tests on all circuits
- Full transmission service kit installation
- Torque converter replacement
- Input/output shaft seal replacement
- Complete valve body overhaul
- Shift quality calibration
Requires specialized tools and equipment
Common Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications of the 4T80-E transmission in the 2000-2005 Cadillac DeVille?
What are the technical specifications of the 4T80-E transmission in the 2000-2005 Cadillac DeVille?
The 4T80-E is a 4-speed automatic transmission designed for longitudinal engine applications. It features electronic controls, a torque capacity of up to 300 lb-ft, and compatibility with Cadillac's Northstar engines. It is specifically designed for the 2000-2005 Cadillac DeVille, Eldorado, and Seville models, ensuring optimal performance and reliability in these vehicles.
Q2 What are the maintenance requirements for the 4T80-E transmission?
What are the maintenance requirements for the 4T80-E transmission?
Regular maintenance for the 4T80-E includes fluid changes every 30,000 miles using Dexron VI ATF, filter replacements every 60,000 miles, and periodic inspections of the transmission pan, cooler lines, and connections. It's also recommended to check the transmission mounts and solenoid pack for wear or damage.
Q3 How do I install or replace the 4T80-E transmission?
How do I install or replace the 4T80-E transmission?
Installation requires lifting the vehicle, removing the old transmission, and installing the new one. Use a transmission jack for safety. Ensure all connections (cooling lines, electrical connectors, and driveshaft) are secure. Torque all bolts to specifications and replace gaskets and seals. After installation, bleed the transmission system and test drive the vehicle.
Q4 How do I troubleshoot common issues with the 4T80-E transmission?
How do I troubleshoot common issues with the 4T80-E transmission?
Common issues include slipping or erratic shifting. Check the transmission fluid level and condition. Inspect for worn clutch packs or bands. Use a scan tool to check for trouble codes. If internal damage is suspected, a rebuild or replacement may be necessary. Always refer to the service manual for specific diagnostic procedures.
Q5 How can I optimize the performance of the 4T80-E transmission?
How can I optimize the performance of the 4T80-E transmission?
For optimal performance, use high-quality transmission fluid and ensure proper cooling. Consider upgrading the transmission cooler for high-performance applications. Regularly servicing the transmission and addressing any issues promptly will help maintain its performance. Custom tuning may also be available for enhanced shifting characteristics.
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 - 4T80-E Transmission
Coming SoonComprehensive service manual covering diagnostics, repair procedures, and technical specifications for the 4T80-E transmission.
Technical Service Bulletin - 4T80-E Updates
Coming SoonOfficial updates and technical bulletins addressing known issues and improvements for the 4T80-E transmission.
Genuine GM Parts Catalog - Transmission Components
Coming SoonDetailed catalog of genuine GM parts for the 4T80-E transmission, including part numbers and suppliers.
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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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