Cadillac ELR 2014-2016 4ET50 Transmission Specifications
This document provides detailed technical specifications for the 4ET50 transmission system used in the 2014-2016 Cadillac ELR. The 4ET50 is an advanced automatic transmission designed to optimize performance, efficiency, and driving dynamics in Cadillac's luxury hybrid coupe. This guide includes critical data such as gear ratios, torque capacity, fluid requirements, and maintenance intervals. It serves as an essential resource for technicians, enthusiasts, and owners seeking to understand the transmission's design, functionality, and maintenance needs. Whether you're performing routine service, diagnosing issues, or upgrading components, this document ensures accurate and reliable information to support your work. By adhering to these specifications, you can maintain the transmission's performance, extend its lifespan, and ensure the vehicle operates at its peak efficiency.
Overview Specifications
This document provides comprehensive technical specifications and operational details for the 4ET50 transmission system used in the 2014-2016 Cadillac ELR. The 4ET50 is a hybrid electric transmission designed to optimize performance and efficiency. This guide includes detailed sections on technical specifications, maintenance, and performance characteristics. Use this document to understand the transmission's capabilities, ensure proper maintenance, and troubleshoot common issues. The information is organized for easy navigation, with sections and subsections that allow quick access to specific details.
How to Use
Use the search function to find specific terms or phrases within the document. Enter keywords related to the topic you're researching, such as 'torque capacity' or 'fluid type', to quickly locate relevant information.
Navigate through the document using the table of contents or by scrolling through the sections. Each major section is divided into subsections with detailed points, making it easy to find specific information about the 4ET50 transmission.
Key Specifications
Maximum Torque
295 lb-ft
Fluid Capacity
7.4 quarts
Weight
187 lbs
Highway Efficiency
33 mpg
Electric Motor Power
117 kW
Available Specifications
Technical Specifications
This section provides detailed technical specifications for the 4ET50 transmission, including dimensions, weight, and torque capacity. Understanding these specifications is crucial for proper installation, maintenance, and performance optimization.
Technical Specifications
This section provides detailed technical specifications for the 4ET50 transmission, including dimensions, weight, and torque capacity. Understanding these specifications is crucial for proper installation, maintenance, and performance optimization.
Dimensions and Weight
- Overall length: 22.5 inches
- Width: 18.3 inches
- Height: 12.7 inches
- Weight: 187 lbs
Torque Capacity
- Maximum torque: 295 lb-ft
- Continuous torque: 250 lb-ft
- Peak torque duration: 10 seconds
Maintenance and Service
Proper maintenance is essential for the longevity and performance of the 4ET50 transmission. This section covers recommended service intervals, fluid types, and common maintenance procedures.
Maintenance and Service
Proper maintenance is essential for the longevity and performance of the 4ET50 transmission. This section covers recommended service intervals, fluid types, and common maintenance procedures.
Service Intervals
- Fluid change: Every 50,000 miles
- Filter replacement: Every 100,000 miles
- Inspection: Every 25,000 miles
Fluid Specifications
- Transmission fluid type: Dexron VI
- Fluid capacity: 7.4 quarts
- Fluid change procedure: Detailed steps provided
Performance Characteristics
This section explores the performance characteristics of the 4ET50 transmission, including acceleration, efficiency, and hybrid operation. These details are important for understanding the transmission's capabilities and limitations.
Performance Characteristics
This section explores the performance characteristics of the 4ET50 transmission, including acceleration, efficiency, and hybrid operation. These details are important for understanding the transmission's capabilities and limitations.
Acceleration and Efficiency
- 0-60 mph acceleration: 7.8 seconds
- Highway efficiency: 33 mpg
- City efficiency: 28 mpg
Hybrid Operation
- Electric motor power: 117 kW
- Regenerative braking efficiency: 85%
- Hybrid mode transition: Seamless
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Transmission Specifications
Overview
- Type
- Electronic Continuously Variable Transmission (eCVT)
- Configuration
- Transverse-mounted
- Platform
- GM Voltec
- Material
- Aluminum casing
- Location
- Front-wheel drive
Dimensions
- Length
- 24.5 inches (622.3 mm)
- Width
- 17.3 inches (439.4 mm)
- Height
- 14.7 inches (373.4 mm)
- Weight
- 187 lbs (84.8 kg)
- input Shaft Diameter
- 1.25 inches (31.75 mm)
- Output Shaft Diameter
- 1.12 inches (28.45 mm)
- Fluid Capacity
- 7.4 quarts (7.0 liters)
Materials
- Housing
- Aluminum alloy
- Gears
- Case-hardened steel
- Bearings
- High-carbon steel with PTFE coating
- Seals
- Fluorocarbon rubber
Features
- Operation
-
- Electric drive mode
- Extended range mode
- Regenerative braking
- Sport mode
- Controls
-
- Electronic shift control
- Adaptive shift logic
- Grade braking control
- Temperature management
- Performance
-
- Smooth power delivery
- Optimized gear ratios
- Efficient power transfer
- Quick response to inputs
Safety Features
- Protection
-
- Overheat protection
- Overload protection
- Low fluid protection
- Monitoring
-
- Temperature monitoring
- Torque monitoring
- Speed sensor monitoring
Comfort Features
- Noise Reduction
- Precision-machined gears for quiet operation
- Vibration
- Isolated mounting system
- Shift Quality
- Smooth transition between modes
- Drivability
- Adaptive shift patterns for various driving conditions
Accessories
- Fluids
-
- Dexron VI transmission fluid
- Synthetic gear oil
- Coolant for temperature regulation
- Filters
-
- Transmission fluid filter
- Magnetic drain plug
- Breather filter
- Tools
-
- Specialized scan tool
- Transmission jack adapter
- Torque wrench
Maintenance
- Fluid Change interval
- Every 50,000 miles (80,467 km)
- Filter Change interval
- Every 100,000 miles (160,934 km)
- Service Items
-
- Fluid level check
- Seal inspection
- Mount inspection
- Software updates
- Cooling system check
- Notes
- Use only GM-approved fluids and parts
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper to bumper
- Powertrain
- Miles: 60,000Years: 5Coverage: Transmission components
- Hybrid
- Miles: 100,000Years: 8Coverage: Electric drive components
- Terms
- Transferable to subsequent owners
Production Details
- Manufacturer
- General Motors
- Location
- Warren Transmission Plant, Michigan
- Process
-
- Computer-controlled assembly
- Precision machining
- Laser alignment
- Automated testing
- Quality Control
- Testing: Durability testing, Temperature cycling, Vibration testinginspection: Visual inspection, X-ray inspection, Leak testing
- Sustainability
-
- Recycled aluminum usage
- Waste reduction program
- Energy-efficient manufacturing
- Production Metrics
- Units Per Day: 450Defect Rate: 0.02%Assembly Time: 2.5 hours
Service Information for 4et50 transmission Service
Maintenance and service requirements specific to this component
- Fluid level check
- Mount inspection
- Software update check
- Cooling system inspection
- Exterior condition check
Use only GM-approved fluids and parts
- Transmission fluid change
- Filter replacement
- Seal inspection
- Bearing check
- Shift quality test
Requires specialized tools and equipment
- Complete fluid flush
- Full system diagnostic
- Bearing replacement
- Shift actuator check
- Cooling system service
Must be performed by certified technician
Common Questions
Find answers to common questions about torque specifications
Q1 What is the technical specification of the 4ET50 transmission in the 2014-2016 Cadillac ELR?
What is the technical specification of the 4ET50 transmission in the 2014-2016 Cadillac ELR?
The 4ET50 transmission is a 4-speed automatic transmission designed for the Cadillac ELR. It features electronically controlled shifting, adaptive transmission controls, and is optimized for hybrid and electric vehicle applications. It is compatible with the ELR's 1.4L turbocharged engine and supports both electric and gasoline powertrains. The transmission includes a torque converter and clutch-to-clutch shifting for smooth operation.
Q2 What are the maintenance requirements for the 4ET50 transmission?
What are the maintenance requirements for the 4ET50 transmission?
Regular maintenance for the 4ET50 transmission includes checking transmission fluid levels every 12,500 miles, replacing the fluid every 50,000 miles, and inspecting the transmission pan gasket and cooler lines annually. It is recommended to use GM-approved Dexron VI transmission fluid. Additionally, the transmission control module should be updated as per GM service bulletins.
Q3 How do I install or replace the 4ET50 transmission?
How do I install or replace the 4ET50 transmission?
To replace the 4ET50 transmission, start by disconnecting the battery and draining the transmission fluid. Remove the transmission mounts, crossmember, and cooler lines. Disconnect the electrical connectors and shift linkage. Carefully lift the transmission out of the vehicle using a transmission jack. Install the new transmission by reversing the steps, ensuring all connections are secure and fluid levels are correct. Refer to the GM service manual for detailed instructions.
Q4 How do I troubleshoot common issues with the 4ET50 transmission?
How do I troubleshoot common issues with the 4ET50 transmission?
Common issues include slipping, hesitation, or abnormal noises. Check the transmission fluid level and condition, and inspect for leaks. Use a scan tool to retrieve any trouble codes from the transmission control module. If slipping occurs, verify the throttle valve or clutch pack wear. For noises, inspect the torque converter or planetary gears. Consult the GM service manual for diagnostic procedures and repairs.
Q5 How can I optimize the performance of the 4ET50 transmission?
How can I optimize the performance of the 4ET50 transmission?
To optimize performance, ensure proper transmission fluid levels and use high-quality Dexron VI fluid. Avoid extreme temperatures and aggressive driving. Regularly update the transmission control module software as per GM updates. Monitor transmission performance during hybrid mode transitions and ensure the battery system is functioning correctly. Proper maintenance and prompt repairs will help maintain optimal transmission performance.
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 ELR 4ET50 Transmission Service Manual
Coming SoonComprehensive guide covering transmission repair, maintenance, and diagnostic procedures.
GM Technical Bulletin - 4ET50 Transmission Updates
Coming SoonLatest updates and technical bulletins for the 4ET50 transmission, including software updates and service procedures.
4ET50 Transmission Parts Catalog
Coming SoonDetailed list of replacement parts and accessories for the 4ET50 transmission.
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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.
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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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