Cadillac ATS 2013-2019 8L45 Transmission Specifications
This document provides detailed specifications for the 8L45 transmission used in the 2013-2019 Cadillac ATS. The 8L45 is an 8-speed automatic transmission designed to enhance performance, fuel efficiency, and driving dynamics. Included in this resource are key technical details such as gear ratios, torque capacity, fluid requirements, and maintenance intervals. These specifications are essential for technicians, engineers, and enthusiasts seeking to understand, maintain, or upgrade the transmission. The information serves as a valuable reference for diagnosing issues, performing repairs, and ensuring optimal performance. Whether you're a professional mechanic or a Cadillac ATS owner, this guide offers the precise data needed to support informed decision-making and effective vehicle care.
Overview Specifications
This document provides detailed specifications and technical information about the 8L45 transmission used in the 2013-2019 Cadillac ATS. It is designed to assist users in understanding the transmission's features, performance, and maintenance requirements. The guide includes sections on design, operation, and key specifications, along with instructions for searching and navigating the content effectively.
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Key Specifications
Gear Count
8
Torque Capacity
480 Nm
Weight
86 kg
Fluid Capacity
9.5 liters
Shift Response Time
200 ms
Available Specifications
Design and Construction
This section covers the design principles and construction details of the 8L45 transmission. It includes information about the materials used, internal components, and engineering innovations that contribute to its performance and durability.
Design and Construction
This section covers the design principles and construction details of the 8L45 transmission. It includes information about the materials used, internal components, and engineering innovations that contribute to its performance and durability.
Material Composition
- High-strength aluminum alloy casing
- Precision-machined gears for reduced friction
- Advanced composite materials for internal components
- Heat-treated steel for enhanced durability
Internal Components
- 8-speed gear configuration
- Compact torque converter design
- Integrated electronic control module
- Enhanced lubrication system for reduced wear
Performance Characteristics
This section highlights the performance features of the 8L45 transmission, including its efficiency, responsiveness, and adaptability to various driving conditions. It also discusses the transmission's role in enhancing the overall driving experience.
Performance Characteristics
This section highlights the performance features of the 8L45 transmission, including its efficiency, responsiveness, and adaptability to various driving conditions. It also discusses the transmission's role in enhancing the overall driving experience.
Efficiency
- Optimized gear ratios for fuel economy
- Reduced internal friction for improved efficiency
- Lightweight design for better power-to-weight ratio
- Adaptive shift algorithms for smooth transitions
Responsiveness
- Quick shift response times
- Dynamic performance tuning for sporty driving
- Seamless integration with engine management systems
- Enhanced throttle response in manual mode
Maintenance and Service
This section provides guidance on maintaining and servicing the 8L45 transmission. It includes recommended service intervals, common maintenance tasks, and tips for ensuring long-term reliability.
Maintenance and Service
This section provides guidance on maintaining and servicing the 8L45 transmission. It includes recommended service intervals, common maintenance tasks, and tips for ensuring long-term reliability.
Service Intervals
- Fluid change every 45,000 miles
- Inspect transmission seals and gaskets annually
- Check for software updates at each service visit
- Replace filters as per manufacturer recommendations
Common Maintenance Tasks
- Monitor fluid levels and quality regularly
- Address any unusual noises or vibrations promptly
- Ensure proper alignment of transmission components
- Perform diagnostic scans for error codes
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Transmission Specifications
Overview
- Type
- 8-speed automatic
- Configuration
- Longitudinal
- Platform
- GM Alpha
- Material
- Aluminum alloy
- Location
- Rear-wheel drive
Dimensions
- Length
- 23.6 inches (599.44 mm)
- Width
- 17.7 inches (449.58 mm)
- Height
- 13.8 inches (350.52 mm)
- Weight
- 198 lbs (89.81 kg)
- input Shaft Diameter
- 1.18 inches (30 mm)
- Output Shaft Diameter
- 1.38 inches (35 mm)
- Fluid Capacity
- 9.5 quarts (9 liters)
Materials
- Housing
- Aluminum alloy
- Gears
- Case-hardened steel
- Clutch Packs
- Carbon fiber composites
- Seals
- Viton rubber
- Shafts
- High-strength steel
Features
- Performance
-
- Quick shift response
- Adaptive shift control
- Sport mode
- Manual mode with paddle shifters
- Efficiency
-
- Low internal friction
- Optimized gear ratios
- Active thermal management
- Drivability
-
- Smooth gear transitions
- Hill start assist
- Creep mode
- Technology
-
- Integrated control module
- Real-time diagnostics
- CAN bus communication
- Durability
-
- High-strength internals
- Advanced cooling system
- Sealed for life design
Safety Features
- Fail Safe
-
- Limp home mode
- Overheat protection
- Shift lock override
- Monitoring
-
- Fluid level sensor
- Temperature sensor
- Pressure sensor
Comfort Features
- Noise Reduction
-
- Precision gear machining
- Acoustic dampening
- Vibration isolation
- Shift Quality
-
- Adaptive learning
- Torque converter lockup
- Smooth engagement
- Temperature Control
-
- Active cooling
- Fluid warm-up strategy
- Thermal protection
Accessories
- Upgrades
-
- Performance shift kit
- High-capacity cooler
- Upgraded clutch packs
- Tools
-
- Transmission jack adapter
- Fluid exchange kit
- Diagnostic scanner
- Maintenance
-
- Fluid filter kit
- Seal kit
- Gasket set
Maintenance
- Service interval
- 50,000 miles or 48 months
- Service Items
-
- Fluid and filter change
- Seal and gasket inspection
- Shift quality check
- Diagnostic scan
- Mount and linkage inspection
- Maintenance Notes
- Use only approved transmission fluid, perform diagnostic scan before service
Warranty
- Bumper To Bumper
- Miles: 36,000Years: 3Coverage: Comprehensive
- Powertrain
- Miles: 60,000Years: 5Coverage: Major components
- Corrosion
- Miles: 100,000Years: 6Coverage: Perforation only
- Emissions
- Miles: 50,000Years: 4Coverage: Federal requirements
Production Details
- Manufacturer
- General Motors
- Manufacturing Process
-
- Precision casting
- CNC machining
- Automated assembly
- Quality Control
- Testing: Dyno testing, Pressure testing, Endurance testinginspection: Dimensional checks, Material analysis, Leak testing
- Sustainability
-
- Recycled materials
- Energy-efficient production
- Waste reduction
- Production Metrics
- Units Per Day: 500Defect Rate: 0.05%Time To Build: 2.5 hours
Service Information for 8l45 transmission Service
Maintenance and service requirements specific to this component
- Replace transmission fluid
- Inspect seals and gaskets
- Check shift quality
- Perform diagnostic scan
- Inspect mounts and linkages
Use only approved transmission fluid
- Replace fluid and filter
- Inspect clutch packs
- Check torque converter
- Test pressure sensors
- Inspect cooling system
May require specialized tools for clutch inspection
- Complete fluid flush
- Inspect internal gears
- Check control module
- Replace seals if necessary
- Full diagnostic testing
Consider complete overhaul if wear is detected
Common Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications of the 8L45 transmission in the 2013-2019 Cadillac ATS?
What are the technical specifications of the 8L45 transmission in the 2013-2019 Cadillac ATS?
The 8L45 transmission is an 8-speed automatic transmission designed for longitudinal engine applications. It features a compact design, weighing approximately 185 pounds, with a torque capacity of up to 295 lb-ft. It is compatible with the 2.0L turbocharged engine and the 3.6L V6 engine in the Cadillac ATS. The transmission includes features like automatic grade braking and Driver Shift Control for manual shifting.
Q2 What are the maintenance requirements for the 8L45 transmission?
What are the maintenance requirements for the 8L45 transmission?
Regular maintenance for the 8L45 transmission includes checking the transmission fluid level every 12,500 miles and changing the fluid every 50,000 to 60,000 miles. Inspect the transmission pan gasket and fluid lines for leaks annually. Replace the transmission filter every 30,000 miles. Refer to the owner's manual for specific recommendations and ensure only GM-approved transmission fluid is used.
Q3 How do I install or replace the 8L45 transmission?
How do I install or replace the 8L45 transmission?
Replacing the 8L45 transmission requires specialized tools and expertise. Start by disconnecting the battery, draining the transmission fluid, and removing the skid plate. Disconnect the transmission cooler lines, electrical connectors, and drivetrain components. Carefully lift the transmission using a transmission jack and remove it from the vehicle. Install the new transmission by reversing the steps, ensuring all connections are secure. Refill with GM-approved transmission fluid and bleed the system to remove air bubbles.
Q4 How do I troubleshoot common issues with the 8L45 transmission?
How do I troubleshoot common issues with the 8L45 transmission?
Common issues with the 8L45 transmission include slipping, hesitation, or erratic shifting. Check the transmission fluid level and condition. Use a scan tool to retrieve any trouble codes, such as P0700 or P0750. Inspect the transmission pan gasket, cooler lines, and electrical connectors for damage or leaks. If issues persist, consult a certified technician for further diagnosis and repair.
Q5 How can I optimize the performance of the 8L45 transmission?
How can I optimize the performance of the 8L45 transmission?
To optimize performance, ensure the transmission fluid is clean and at the recommended level. Avoid extreme temperatures and towing loads beyond the vehicle's capacity. Use the Driver Shift Control feature for manual shifting in sport mode. Regularly update the transmission software via GM updates. Consider installing an aftermarket transmission cooler for improved cooling during high-performance driving.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2013-2019 Cadillac ATS 8L45 Transmission Service Manual
Coming SoonThis manual provides detailed procedures for servicing, repairing, and maintaining the 8L45 transmission, including fluid changes, filter replacement, and diagnostic troubleshooting.
Technical Bulletin: 8L45 Transmission Software Update
Coming SoonThis bulletin outlines the latest software updates for the 8L45 transmission, addressing shift quality, torque converter engagement, and overall performance improvements.
Cadillac ATS Transmission Parts Catalog
Coming SoonThis catalog provides part numbers, descriptions, and diagrams for all components of the 8L45 transmission, including filters, gaskets, and electrical components.
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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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