Cadillac Escalade 2015-2020 8L90 Transmission Specifications
This document provides detailed technical specifications for the 8L90 transmission used in the 2015-2020 Cadillac Escalade. It includes information on gear ratios, torque capacity, fluid requirements, and maintenance intervals. These specifications are essential for understanding the transmission's performance, ensuring proper maintenance, and diagnosing issues. The data is valuable for automotive technicians, enthusiasts, and owners looking to optimize their vehicle's performance or troubleshoot transmission-related problems. This comprehensive guide serves as a reliable reference for repair, upgrades, and compatibility checks.
Overview Specifications
This document provides detailed specifications and technical information about the 8L90 transmission used in the 2015-2020 Cadillac Escalade. It is designed to assist users in understanding the transmission's features, performance, and maintenance requirements. Use the search and navigation instructions to quickly locate specific details or browse through the sections for a comprehensive understanding of the 8L90 transmission.
How to Use
Use the search functionality by entering keywords related to the 8L90 transmission, such as 'gear ratios' or 'torque capacity'. This will help you find specific information quickly.
Navigate through the document by scrolling through the sections or using the table of contents. Each section is organized into subsections for easy access to detailed information.
Key Specifications
Transmission Type
8-speed automatic
Torque Capacity
738 lb-ft (1000 Nm)
Fluid Capacity
11.2 quarts (10.6 liters)
Gear Ratios
4.56:1 to 0.65:1
Weight
214 lbs (97 kg)
Available Specifications
Transmission Design
This section covers the design and engineering aspects of the 8L90 transmission, including its construction, materials, and layout. Learn about the innovative features that make this transmission a standout in its class.
Transmission Design
This section covers the design and engineering aspects of the 8L90 transmission, including its construction, materials, and layout. Learn about the innovative features that make this transmission a standout in its class.
Construction and Materials
- Aluminum alloy casing for reduced weight
- High-strength steel gears for durability
- Advanced thermal management system
- Sealed lubrication system for longevity
Layout and Configuration
- 8-speed automatic transmission
- Longitudinal mounting for RWD/AWD vehicles
- Compact design for improved packaging
- Integrated torque converter
Performance Specifications
Explore the performance capabilities of the 8L90 transmission, including its gear ratios, torque handling, and shift dynamics. This section highlights how the transmission enhances the driving experience in the Cadillac Escalade.
Performance Specifications
Explore the performance capabilities of the 8L90 transmission, including its gear ratios, torque handling, and shift dynamics. This section highlights how the transmission enhances the driving experience in the Cadillac Escalade.
Gear Ratios
- 1st gear: 4.56:1
- 2nd gear: 2.97:1
- 3rd gear: 2.08:1
- 4th gear: 1.69:1
- 5th gear: 1.27:1
- 6th gear: 1.00:1
Torque Capacity
- Maximum torque capacity: 738 lb-ft (1000 Nm)
- Optimized for high-performance engines
- Enhanced clutch pack design
- Robust output shaft for heavy-duty use
Maintenance and Service
This section provides essential information on maintaining and servicing the 8L90 transmission. Learn about recommended service intervals, fluid specifications, and common troubleshooting tips.
Maintenance and Service
This section provides essential information on maintaining and servicing the 8L90 transmission. Learn about recommended service intervals, fluid specifications, and common troubleshooting tips.
Service Intervals
- Fluid change every 45,000 miles
- Filter replacement with fluid change
- Regular inspection of seals and gaskets
- Diagnostic scan for error codes
Fluid Specifications
- GM-approved Dexron VI transmission fluid
- Fluid capacity: 11.2 quarts (10.6 liters)
- Synthetic blend for improved performance
- Compatibility with extreme temperatures
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Transmission Specifications
Overview
- Type
- 8-speed automatic
- Configuration
- Longitudinal
- Platform
- GM Truck Platform
- Material
- Aluminum casing
- Location
- Rear-wheel drive configuration
Dimensions
- Length
- 28.5 inches (724 mm)
- Width
- 22.3 inches (566 mm)
- Height
- 18.7 inches (475 mm)
- Weight
- 214 lbs (97 kg)
- input Shaft Length
- 12.2 inches (310 mm)
- Output Shaft Length
- 14.6 inches (371 mm)
- Fluid Capacity
- 11.2 quarts (10.6 liters)
Materials
- Casing
- Aluminum alloy
- Gears
- High-strength steel
- Clutches
- Carbon fiber composite
- Seals
- Viton rubber
- Sensors
- Stainless steel and plastic composite
Features
- Performance
-
- Quick shift response
- Adaptive shift control
- Wide gear ratio spread (7.0:1)
- High torque capacity (up to 738 lb-ft)
- Efficiency
-
- Active thermal management
- Low spin losses
- Optimized gear ratios
- Intelligent skip-shift technology
- Control
-
- Electronic precision shift
- Driver shift control
- Tow/Haul mode
- Performance algorithm shifting
- integration
-
- Integrated transmission control module
- CAN bus communication
- Compatible with start/stop systems
- Seamless integration with all-wheel drive systems
- Durability
-
- Heavy-duty clutch plates
- High-strength gear sets
- Robust output shaft
- Enhanced cooling system
Safety Features
- Protection
-
- Over-temperature protection
- Over-pressure protection
- Fail-safe limp-home mode
- Monitoring
-
- Real-time fluid condition monitoring
- Gear position sensor
- Output speed sensor
- Controls
-
- Electronic range select
- Park lock system
- Neutral idle control
Comfort Features
- Smoothness
-
- Adaptive shift smoothing
- Low noise and vibration
- Seamless gear transitions
- Convenience
-
- Auto park feature
- Hill start assist
- Creep mode for low-speed maneuvering
- Customization
-
- Driver-selectable modes
- Customizable shift points
- Adaptive learning for driver behavior
Accessories
- Cooling
-
- Auxiliary transmission cooler
- Thermostatic control valve
- High-capacity fluid pump
- Electronics
-
- Transmission control module
- Wiring harness kit
- Diagnostic interface
- Mounting
-
- Transmission mount kit
- Crossmember adapter
- Bolt kit
Maintenance
- Service interval
- Every 45,000 miles or 48 months
- Service Items
-
- Fluid and filter replacement
- Pan gasket inspection
- Seal and gasket check
- Shift solenoid inspection
- Transmission mount inspection
- Maintenance Notes
- Use only Dexron VI transmission fluid. Ensure proper fluid level and temperature during checks.
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain
- Miles: 60,000Years: 5Coverage: Transmission and drivetrain components
- Corrosion
- Miles: 100,000Years: 6Coverage: Perforation from corrosion
- Emissions
- Miles: 80,000Years: 8Coverage: Emission control system
Production Details
- Manufacturer
- General Motors
- Manufacturing Process
-
- High-pressure die casting
- Precision CNC machining
- Automated assembly
- Laser welding
- Quality Control
- Testing: Durability testing, Thermal cycling, Vibration testinginspection: Dimensional accuracy, Surface finish, Material integrity
- Sustainability
-
- Recycled aluminum usage
- Energy-efficient manufacturing
- Waste reduction initiatives
- Production Metrics
- Annual Output: 500,000 unitsDefect Rate: < 0.1%Lead Time: 4 weeks
Service Information for 8l90 transmission Service
Maintenance and service requirements specific to this component
- Replace transmission fluid
- Inspect transmission pan gasket
- Check shift solenoids
- Inspect transmission mounts
- Verify fluid level and condition
Ensure vehicle is on level ground and transmission is at operating temperature during fluid check.
- Replace transmission filter
- Inspect and clean transmission cooler lines
- Check for leaks at seals and gaskets
- Test transmission control module
- Perform shift quality diagnostics
Use OEM-approved transmission fluid and filter for replacement.
- Complete transmission fluid flush
- Inspect and replace worn clutch plates
- Check and adjust shift linkage
- Perform transmission software update
- Conduct full system performance test
Major service may require specialized tools and diagnostic equipment.
Common Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications of the 8L90 transmission in the 2015-2020 Cadillac Escalade?
What are the technical specifications of the 8L90 transmission in the 2015-2020 Cadillac Escalade?
The 8L90 transmission is an 8-speed automatic transmission designed for rear-wheel-drive vehicles. It features a hydraulic torque converter, clutch-to-clutch shifting, and an advanced controller for smooth gear changes. It is compatible with the 2015-2020 Cadillac Escalade, offering improved fuel efficiency and performance. The transmission is paired with a 6.2L V8 engine and is known for its durability and reliability. It is also compatible with other GM vehicles from the same model years, making it a versatile option for transmission replacements or upgrades.
Q2 What are the maintenance requirements for the 8L90 transmission?
What are the maintenance requirements for the 8L90 transmission?
Regular maintenance is crucial for the longevity of the 8L90 transmission. It is recommended to change the transmission fluid every 30,000 to 60,000 miles, depending on driving conditions. The fluid should be replaced with GM-approved Dexron VI fluid to ensure optimal performance. Additionally, the transmission filter should be replaced every 30,000 miles. It is also important to monitor the transmission for any signs of wear, such as slipping or hesitation, and address these issues promptly to prevent further damage.
Q3 How do I install or replace the 8L90 transmission in my Cadillac Escalade?
How do I install or replace the 8L90 transmission in my Cadillac Escalade?
Replacing the 8L90 transmission in your Cadillac Escalade requires mechanical expertise and specialized tools. Start by disconnecting the battery and draining the transmission fluid. Remove the transmission pan and filter, then disconnect the electrical connectors and cooler lines. Use a transmission jack to carefully lower the transmission from the vehicle. Once removed, inspect and clean the mating surfaces before installing the new transmission. Reconnect all components in the reverse order of removal, refill the transmission fluid, and test drive the vehicle to ensure proper function.
Q4 How do I troubleshoot common issues with the 8L90 transmission?
How do I troubleshoot common issues with the 8L90 transmission?
Common issues with the 8L90 transmission include slipping gears, delayed engagement, and erratic shifting. Start by checking the transmission fluid level and condition. Low or degraded fluid can cause poor performance. Use an OBD-II scanner to check for any trouble codes, which can help identify specific problems. If slipping occurs, inspect the clutch packs and bands for wear. If the issue persists, it may be necessary to replace the torque converter or other internal components. Always consult a professional mechanic for complex repairs.
Q5 How can I optimize the performance of the 8L90 transmission?
How can I optimize the performance of the 8L90 transmission?
To optimize the performance of the 8L90 transmission, ensure regular maintenance is performed, including fluid changes and filter replacements. Avoid aggressive driving habits, such as rapid acceleration or extreme temperatures, which can strain the transmission. Consider upgrading to a high-performance transmission fluid if recommended by the manufacturer. Additionally, avoid towing or hauling heavy loads beyond the vehicle's recommended capacity. For enhanced performance, aftermarket tuners or transmission controllers can be installed, but this should be done by a qualified technician to avoid damage.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2015-2020 Cadillac Escalade 8L90 Transmission Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and troubleshooting procedures for the 8L90 transmission.
Technical Service Bulletin (TSB) for 8L90 Transmission Updates
Coming SoonOfficial updates and technical bulletins from GM addressing known issues and improvements for the 8L90 transmission.
Cadillac Escalade 8L90 Transmission Parts Catalog
Coming SoonDetailed catalog of genuine GM parts and accessories for the 8L90 transmission, including part numbers and descriptions.
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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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