Cadillac CTS 2014-2019 8L90 Transmission Specifications
This document provides detailed specifications for the 8L90 transmission used in the 2014-2019 Cadillac CTS. The 8L90 is an 8-speed automatic transmission known for its performance, efficiency, and durability. Specifications include gear ratios, torque capacity, fluid type, and service intervals, offering valuable insights for maintenance, repair, and performance upgrades. Designed for automotive enthusiasts, technicians, and owners, this resource ensures accurate information for diagnosing issues, selecting compatible parts, and optimizing transmission performance. Whether you're performing routine maintenance or enhancing your vehicle's capabilities, this guide serves as an essential reference for maximizing the longevity and efficiency of the 8L90 transmission in your Cadillac CTS.
Overview Specifications
This document provides detailed specifications and technical information about the 8L90 transmission used in the 2014-2019 Cadillac CTS. It is designed to assist technicians, enthusiasts, and owners in understanding the transmission's features, performance, and maintenance requirements. Use the search and navigation instructions to quickly locate specific details, and refer to the quick reference section for key specifications.
How to Use
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Key Specifications
Gear Count
8 speeds
Torque Capacity
738 lb-ft
Shift Time
200 ms
Weight
214 lbs
Fluid Capacity
11.2 quarts
Available Specifications
Transmission Design
The 8L90 transmission is an 8-speed automatic transmission designed for high-performance vehicles. It features advanced engineering for improved efficiency, durability, and smooth shifting. This section covers its design principles and key components.
Transmission Design
The 8L90 transmission is an 8-speed automatic transmission designed for high-performance vehicles. It features advanced engineering for improved efficiency, durability, and smooth shifting. This section covers its design principles and key components.
General Design Features
- 8-speed automatic transmission
- Aluminum alloy casing for reduced weight
- Compact design for better packaging
- Advanced hydraulic control system
- Integrated torque converter
- Optimized gear ratios for performance
Internal Components
- High-strength steel gears
- Low-friction bearings for efficiency
- Dual clutch packs for smooth shifts
- Precision-machined shafts
- Robust valve body for hydraulic control
- Enhanced lubrication system
Performance Specifications
This section outlines the performance capabilities of the 8L90 transmission, including torque handling, shift times, and efficiency. These specifications highlight its suitability for high-performance applications.
Performance Specifications
This section outlines the performance capabilities of the 8L90 transmission, including torque handling, shift times, and efficiency. These specifications highlight its suitability for high-performance applications.
Torque and Power Handling
- Maximum torque capacity: 738 lb-ft (1000 Nm)
- Designed for high-performance engines
- Handles up to 650+ horsepower
- Optimized for aggressive driving conditions
- Durable clutch packs for high torque
- Supports launch control functionality
Shift Performance
- Ultra-fast shift times: 200 milliseconds
- Seamless gear transitions
- Adaptive shift algorithms
- Sport mode for aggressive shifting
- Manual shift mode with paddle shifters
- Smooth low-speed operation
Maintenance and Durability
The 8L90 transmission is built for longevity with minimal maintenance. This section covers recommended maintenance intervals, fluid specifications, and durability features.
Maintenance and Durability
The 8L90 transmission is built for longevity with minimal maintenance. This section covers recommended maintenance intervals, fluid specifications, and durability features.
Maintenance Requirements
- Recommended fluid: Dexron VI ATF
- Fluid change interval: 45,000-50,000 miles
- Sealed system for reduced maintenance
- Self-diagnostic capabilities
- Filter replacement during fluid change
- Inspect for leaks periodically
Durability Features
- High-quality materials for extended life
- Thermal management system
- Robust construction for harsh conditions
- Resistant to wear and tear
- Tested for 150,000+ miles of use
- Corrosion-resistant components
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Transmission Specifications
Overview
- Type
- 8-speed automatic
- Configuration
- Longitudinal
- Platform
- GM Alpha platform
- Material
- Aluminum casing
- Location
- Rear-wheel drive configuration
Dimensions
- Length
- 27.5 inches (698.5 mm)
- Width
- 18.1 inches (460 mm)
- Height
- 14.8 inches (375.9 mm)
- Weight
- 211 lbs (95.7 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
- Hardened steel
- Clutch Packs
- Composite friction materials
- Shafts
- High-strength steel
Features
- Performance
-
- Quick shift response
- Wide gear ratio spread
- Adaptive shift control
- Sport mode
- Efficiency
-
- Low internal friction
- Optimized gear ratios
- Improved thermal management
- Reduced parasitic losses
- Technology
-
- Electronic precision shift
- Active fuel management
- Dynamic skip fire
- Torque converter lockup
- Durability
-
- Robust internal components
- Enhanced cooling system
- High-temperature resistance
- Extended service intervals
Safety Features
- Fail-Safe
-
- Transmission limp mode
- Overheat protection
- Fluid pressure monitoring
- integration
-
- Stability control system compatibility
- Brake torque management
- Engine power reduction during failure
Comfort Features
- Smoothness
-
- Seamless gear transitions
- Reduced shift shock
- Quiet operation
- Drivability
-
- Adaptive learning
- Customizable shift patterns
- Manual shift control
Accessories
- Upgrades
-
- Performance shift kits
- Enhanced cooling systems
- Custom torque converters
- Tools
-
- Transmission fluid pump
- Diagnostic scanner
- Torque wrench set
- Maintenance
-
- Fluid exchange kit
- Filter replacement kit
- Gasket set
Maintenance
- Service interval
- Every 45,000 miles or 48 months
- Service Items
-
- Fluid and filter replacement
- Transmission pan inspection
- Seal and gasket check
- Shift quality assessment
- Software updates
- Maintenance Notes
- Use only Dexron VI transmission fluid
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain
- Miles: 60,000Years: 5Coverage: Transmission and drivetrain
- Corrosion
- Miles: 100,000Years: 6Coverage: Perforation from corrosion
- Emissions
- Miles: 80,000Years: 8Coverage: Emission control components
Production Details
- Manufacturer
- General Motors
- Manufacturing Process
-
- Precision machining
- Automated assembly
- Dynamic balancing
- Quality Control
- Testing: Durability testing, Endurance testing, Performance validationStandards: ISO 9001, TS 16949
- Sustainability Practices
-
- Recycling of aluminum scrap
- Energy-efficient manufacturing
- Reduction of hazardous materials
- Production Metrics
- Units Per Year: 150,000Defect Rate: <0.1%Lead Time: 8 weeks
Service Information for 8l90 transmission Service
Maintenance and service requirements specific to this component
- Transmission fluid and filter replacement
- Inspect transmission pan for leaks
- Check shift quality and responsiveness
- Update transmission control software
Use only Dexron VI transmission fluid
- Complete fluid flush
- Inspect and replace seals if necessary
- Check torque converter operation
- Perform diagnostic scan for error codes
Ensure proper fluid temperature during service
- Full transmission inspection
- Replace clutch packs if worn
- Check and adjust internal clearances
- Perform performance testing
Requires specialized tools and expertise
Common Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications and compatibility of the 8L90 transmission in the 2014-2019 Cadillac CTS?
What are the technical specifications and compatibility of the 8L90 transmission in the 2014-2019 Cadillac CTS?
The 8L90 transmission is an 8-speed automatic transmission designed for rear-wheel-drive applications. It features a compact design, lightweight construction, and is compatible with the 2014-2019 Cadillac CTS models equipped with the 2.0L turbo, 3.6L V6, and 3.6L twin-turbo V6 engines. The transmission is known for its smooth shifting, improved fuel efficiency, and robust performance capabilities.
Q2 What are the recommended maintenance requirements for the 8L90 transmission?
What are the recommended maintenance requirements for the 8L90 transmission?
Regular maintenance for the 8L90 transmission includes fluid checks every 15,000 miles, fluid changes every 30,000 miles using GM-approved ATF DW-1 fluid, and inspection of the transmission pan gasket and cooler lines for leaks. It is also recommended to monitor transmission temperature and ensure proper coolant levels. Following the GM maintenance schedule is crucial for optimal performance and longevity.
Q3 How do I install or replace the 8L90 transmission in my Cadillac CTS?
How do I install or replace the 8L90 transmission in my Cadillac CTS?
Replacing the 8L90 transmission requires specialized tools and expertise. Start by draining the transmission fluid, disconnecting the electrical connectors, and removing the transmission mounts. Carefully lift the transmission and ensure proper alignment with the engine. Reinstall all components in reverse order, torque to specification, and refill with the recommended fluid. It is highly recommended to consult a professional technician or a GM service manual for detailed instructions.
Q4 How can I troubleshoot common issues with the 8L90 transmission?
How can I troubleshoot common issues with the 8L90 transmission?
Common issues with the 8L90 transmission include slipping, harsh shifting, or delayed engagement. Start by checking the transmission fluid level and condition, ensuring no debris or contamination. Use a scan tool to check for trouble codes, which may indicate faulty solenoids, sensors, or pressure issues. Refer to GM technical service bulletins for specific diagnostics and repair procedures.
Q5 How can I optimize the performance of the 8L90 transmission?
How can I optimize the performance of the 8L90 transmission?
To optimize performance, ensure proper transmission fluid levels and use high-quality ATF DW-1 fluid. Avoid extreme driving conditions and maintain proper coolant levels to prevent overheating. Consider upgrading to a high-performance transmission cooler for enhanced durability. Additionally, regular software updates from GM can improve shifting performance and overall transmission efficiency.
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 for 8L90 Transmission
Coming SoonComprehensive guide covering installation, maintenance, and repair procedures for the 8L90 transmission.
Technical Service Bulletin (TSB) - 8L90 Updates
Coming SoonOfficial updates and technical bulletins from GM addressing common issues and improvements for the 8L90 transmission.
8L90 Transmission Parts Catalog
Coming SoonDetailed parts guide listing all components, torque specs, and replacement parts for the 8L90 transmission.
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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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