Cadillac CTS 2008-2013 6L50 Transmission Specifications
This document provides detailed technical specifications for the 6L50 transmission used in the 2008-2013 Cadillac CTS. It includes gear ratios, torque capacity, fluid requirements, and maintenance intervals. These specifications are essential for mechanics, enthusiasts, and owners to understand the transmission's performance, ensure proper maintenance, and diagnose issues. The data is sourced from official service manuals and technical bulletins, offering reliable and accurate information. Whether you're performing routine maintenance, upgrading components, or troubleshooting, this resource is invaluable for optimizing the transmission's longevity and performance.
Overview Specifications
This document provides detailed specifications and technical information about the 6L50 transmission used in the 2008-2013 Cadillac CTS. It is designed to assist technicians, enthusiasts, and owners in understanding the transmission's features, maintenance requirements, and performance capabilities. Use the search and navigation instructions to quickly find relevant information or explore the sections for in-depth details.
How to Use
Use the search bar to enter keywords related to the 6L50 transmission, such as 'gear ratios' or 'fluid capacity'. Results will highlight relevant sections and subsections.
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Key Specifications
Transmission Type
6-speed automatic
Torque Capacity
400 lb-ft
Fluid Capacity
11.2 quarts
Gear Ratio Spread
4.06:1 to 0.67:1
Weight
Approx. 187 lbs
Available Specifications
General Specifications
This section covers the basic technical details of the 6L50 transmission, including its design, compatibility, and key features. It provides a foundation for understanding the transmission's capabilities and applications.
General Specifications
This section covers the basic technical details of the 6L50 transmission, including its design, compatibility, and key features. It provides a foundation for understanding the transmission's capabilities and applications.
Design and Compatibility
- 6-speed automatic transmission
- Designed for rear-wheel-drive and all-wheel-drive vehicles
- Used in the 2008-2013 Cadillac CTS models
- Supports engines with up to 400 lb-ft of torque
- Compact and lightweight design for improved efficiency
- Integrated with GM's advanced control systems
Key Features
- Wide gear ratio spread for optimal performance
- Adaptive shift control for smooth operation
- Durable construction for long-term reliability
- Compatible with synthetic transmission fluid
- Includes a torque converter with lockup clutch
- Supports manual shift mode for driver control
Performance and Gear Ratios
This section provides detailed information about the 6L50 transmission's gear ratios, shift patterns, and performance characteristics. It highlights how the transmission enhances driving dynamics and fuel efficiency.
Performance and Gear Ratios
This section provides detailed information about the 6L50 transmission's gear ratios, shift patterns, and performance characteristics. It highlights how the transmission enhances driving dynamics and fuel efficiency.
Gear Ratios
- 1st Gear: 4.06:1
- 2nd Gear: 2.37:1
- 3rd Gear: 1.55:1
- 4th Gear: 1.16:1
- 5th Gear: 0.85:1
- 6th Gear: 0.67:1
Shift Patterns
- Adaptive shift scheduling based on driving conditions
- Smooth upshifts and downshifts for comfort
- Quick response in manual shift mode
- Optimized for both city and highway driving
- Supports aggressive acceleration when needed
- Reduces shift shock for a refined driving experience
Maintenance and Fluid Requirements
This section outlines the maintenance requirements for the 6L50 transmission, including fluid specifications, service intervals, and common troubleshooting tips. It ensures proper care and longevity of the transmission.
Maintenance and Fluid Requirements
This section outlines the maintenance requirements for the 6L50 transmission, including fluid specifications, service intervals, and common troubleshooting tips. It ensures proper care and longevity of the transmission.
Fluid Specifications
- Recommended fluid: Dexron VI automatic transmission fluid
- Fluid capacity: Approximately 11.2 quarts (10.6 liters)
- Fluid change interval: Every 50,000 miles or as specified in the owner's manual
- Use only synthetic fluids for optimal performance
- Check fluid level regularly using the dipstick
- Avoid overfilling to prevent transmission damage
Service and Troubleshooting
- Inspect for leaks during routine maintenance
- Replace transmission filter during fluid changes
- Monitor for unusual noises or vibrations
- Reset adaptive shift tables after repairs
- Address error codes using a diagnostic scanner
- Consult a professional for complex issues
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Transmission Specifications
Overview
- Type
- 6-speed automatic
- Configuration
- Longitudinal
- Platform
- GM RWD/AWD
- Material
- Aluminum casing
- Location
- Rear-wheel drive configuration
Dimensions
- Length
- 28.5 inches (724 mm)
- Width
- 22.8 inches (579 mm)
- Height
- 18.3 inches (465 mm)
- Weight
- 187 lbs (85 kg)
- input Shaft Length
- 12.2 inches (310 mm)
- Output Shaft Length
- 14.7 inches (373 mm)
- Fluid Capacity
- 9.5 quarts (9 liters)
Materials
- Casing
- Aluminum alloy
- Gears
- Hardened steel
- Clutch Packs
- Composite friction materials
- Seals
- Viton rubber
- Sensors
- Stainless steel and plastic composites
Features
- Performance
-
- Adaptive shift control
- Grade braking system
- Sport mode shifting
- Manual tap-up/tap-down shifting
- Efficiency
-
- Wide gear ratio spread
- Low internal friction design
- Optimized torque converter lockup
- Electronic pressure control
- Durability
-
- Heavy-duty clutch packs
- High-strength gear sets
- Robust output shaft
- Thermal management system
- integration
-
- CAN bus communication
- Integrated TCM (Transmission Control Module)
- Compatible with GM's StabiliTrak system
- Seamless integration with engine management
- Diagnostics
-
- On-board diagnostics (OBD-II)
- Real-time data monitoring
- Fault code storage
- Shift adaptation learning
Safety Features
- Fail Safe
-
- Limp-home mode
- Over-temperature protection
- Over-pressure protection
- Control
-
- Electronic stability control integration
- Anti-rollover protection
- Hill start assist
Comfort Features
- Shift Quality
-
- Smooth shift programming
- Adaptive shift algorithms
- Torque converter clutch control
- Noise Vibration
-
- Isolated mounting system
- Precision gear machining
- Dual-mass flywheel compatibility
- Climate Control
-
- Transmission fluid temperature management
- Cooler bypass valve
- Integrated cooler lines
Accessories
- Cooling
-
- Transmission cooler lines
- Auxiliary transmission cooler
- Thermostatic bypass valve
- Mounting
-
- Transmission crossmember
- Isolation mounts
- Torque arm bracket
- Electronics
-
- Transmission range sensor
- Output speed sensor
- Input speed sensor
Maintenance
- Service interval
- 50,000 miles or 48 months
- Service Items
-
- Transmission fluid and filter change
- Pan gasket replacement
- Seal inspection
- Shift solenoid check
- TCM software update
- Notes
- Use only Dexron VI transmission fluid
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain
- Miles: 100,000Years: 5Coverage: Transmission components
- Corrosion
- Miles: UnlimitedYears: 6Coverage: Perforation only
- Emissions
- Miles: 80,000Years: 8Coverage: Federal emissions components
Production Details
- Manufacturer
- General Motors
- Manufacturing Process
-
- Precision CNC machining
- Automated assembly
- Laser alignment
- End-of-line testing
- Quality Control
- Dimensional Checks: 100% inspectionPressure Testing: All unitsPerformance Testing: Dyno validation
- Sustainability
-
- Recycled aluminum content
- Closed-loop fluid system
- Energy-efficient manufacturing
- Production Metrics
- Units Per Day: 1200Defect Rate: <0.1%Production Years: 2006-2016
Service Information for 6l50 transmission Service
Maintenance and service requirements specific to this component
- Transmission fluid and filter change
- Pan gasket replacement
- Seal inspection
- Shift solenoid check
- TCM software update
Use only Dexron VI transmission fluid
- Complete transmission flush
- Valve body inspection
- Torque converter check
- Output shaft seal replacement
- Transmission mount inspection
Requires specialized transmission flush equipment
- Complete transmission overhaul
- Clutch pack replacement
- Bearing inspection
- Solenoid pack replacement
- Transmission relearn procedure
Recommended to replace all wear components during overhaul
Common Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications of the 6L50 transmission in the 2008-2013 Cadillac CTS?
What are the technical specifications of the 6L50 transmission in the 2008-2013 Cadillac CTS?
The 6L50 is a 6-speed automatic transmission designed for longitudinal rear-wheel-drive and all-wheel-drive applications. It features a torque capacity of up to 315 lb-ft and is compatible with Cadillac CTS models from 2008 to 2013. The transmission includes adaptive shift controls, manual shift mode, and a 3.20:1 final drive ratio for optimal performance and fuel efficiency.
Q2 What are the maintenance requirements for the 6L50 transmission?
What are the maintenance requirements for the 6L50 transmission?
Regular maintenance is essential for the longevity of the 6L50 transmission. This includes fluid changes every 30,000 to 60,000 miles using GM-approved Dexron VI ATF. Additionally, transmission filters should be replaced every 30,000 miles, and the pan gasket should be inspected for leaks. Proper maintenance also involves monitoring transmission temperature and ensuring all electrical connections are secure.
Q3 How do I install or replace the 6L50 transmission in my Cadillac CTS?
How do I install or replace the 6L50 transmission in my Cadillac CTS?
Replacing the 6L50 transmission requires specialized tools and expertise. Start by draining the transmission fluid and disconnecting the battery. Remove the driveshaft, transmission cooler lines, and electrical connectors. Carefully lift the transmission using a transmission jack and support the engine. Install the new transmission, ensuring all connections are secure and fluid levels are correct. This process is highly complex and recommended for professional mechanics only.
Q4 How do I troubleshoot common issues with the 6L50 transmission?
How do I troubleshoot common issues with the 6L50 transmission?
Common issues with the 6L50 include slipping gears, erratic shifting, and transmission overheating. Start by checking the transmission fluid level and condition. Use a scan tool to retrieve any trouble codes from the TCM (Transmission Control Module). Inspect the cooler lines for leaks and ensure proper electrical connections. If issues persist, professional diagnostic tools and expertise may be required to identify and repair internal components.
Q5 How can I optimize the performance of my 6L50 transmission?
How can I optimize the performance of my 6L50 transmission?
To optimize performance, ensure proper transmission fluid levels and use high-quality ATF. Avoid excessive heat buildup by maintaining a functional cooling system. Shift aggressively in manual mode for sport driving, but avoid frequent rapid shifts. Consider upgrading to a high-performance transmission pan and cooler for improved heat dissipation. Regular maintenance and tuning of the TCM can also enhance overall performance and responsiveness.
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 6L50 Transmission
Coming SoonComprehensive service manual covering diagnostics, repair procedures, and technical specifications for the 6L50 transmission.
Technical Service Bulletin (TSB) for 6L50 Updates
Coming SoonOfficial updates and technical bulletins addressing common issues and improvements for the 6L50 transmission.
Cadillac CTS Transmission Parts Catalog
Coming SoonDetailed catalog of replacement parts, components, and accessories for the 6L50 transmission in Cadillac CTS models.
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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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