Cadillac STS 2005-2011 Drivetrain Specifications
Explore the comprehensive drivetrain specifications for the 2005-2011 Cadillac STS, including engine, transmission, and performance details. Essential for maintenance, upgrades, and diagnostics.
Overview Specifications
This document provides a detailed overview of the drivetrain specifications for the 2005-2011 Cadillac STS. It includes information on engine configurations, transmission systems, drivetrain layouts, and performance metrics. Use this guide to understand the technical aspects of the vehicle's drivetrain and to locate specific details efficiently. Navigate through the sections or use the search functionality to find the information you need.
How to Use
Use the search bar to find specific terms or phrases within the document. Enter keywords like 'engine', 'transmission', or 'AWD' to quickly locate relevant sections.
Scroll through the document to explore major sections or use the table of contents to jump directly to a specific topic. Each section is organized into subsections for easy access to detailed information.
Key Specifications
Engine Options
3.6L V6, 4.6L V8
Transmission
6-Speed Automatic
Drivetrain
RWD, AWD
Horsepower (V8)
320 hp
Torque (V8)
315 lb-ft
Available Specifications
Engine Configurations
The 2005-2011 Cadillac STS offered multiple engine options, each designed to deliver a balance of power and efficiency. This section covers the technical details of the available engines, including displacement, horsepower, and torque.
Engine Configurations
The 2005-2011 Cadillac STS offered multiple engine options, each designed to deliver a balance of power and efficiency. This section covers the technical details of the available engines, including displacement, horsepower, and torque.
3.6L V6 Engine
- Displacement: 3.6 liters
- Horsepower: 255 hp
- Torque: 252 lb-ft
- Fuel type: Premium recommended
4.6L Northstar V8 Engine
- Displacement: 4.6 liters
- Horsepower: 320 hp
- Torque: 315 lb-ft
- Fuel type: Premium required
Transmission Systems
The Cadillac STS featured advanced transmission systems to complement its powerful engines. This section provides details on the available transmission types and their features.
Transmission Systems
The Cadillac STS featured advanced transmission systems to complement its powerful engines. This section provides details on the available transmission types and their features.
6-Speed Automatic Transmission
- Type: Hydra-Matic 6L50
- Gear ratios: 6 forward, 1 reverse
- Shift modes: Manual and automatic
- Performance tuning for smooth shifts
Drivetrain Layouts
The STS was available in both rear-wheel drive (RWD) and all-wheel drive (AWD) configurations. This section explains the differences and benefits of each drivetrain layout.
Drivetrain Layouts
The STS was available in both rear-wheel drive (RWD) and all-wheel drive (AWD) configurations. This section explains the differences and benefits of each drivetrain layout.
Rear-Wheel Drive (RWD)
- Standard for all models
- Enhanced handling and balance
- Improved fuel efficiency
- Simpler maintenance
All-Wheel Drive (AWD)
- Available on V8 models
- Improved traction in adverse conditions
- Dynamic torque distribution
- Enhanced stability and control
Search Specifications
Search by specification name, value, or description
Type to search through torque specifications. Results will appear below as you type.
Component Specifications
Overview
- Type
- Automatic
- Configuration
- Rear-wheel drive (RWD) / All-wheel drive (AWD)
- Platform
- GM Sigma platform
- Material
- Aluminum and steel
- Location
- Front longitudinal
Dimensions
- Transmission Length
- 28.5 inches (724 mm)
- Driveshaft Diameter
- 3.5 inches (89 mm)
- Axle Width
- 62.2 inches (1580 mm)
- Transfer Case Length
- 12.8 inches (325 mm)
- Differential Length
- 18.7 inches (475 mm)
- Torque Tube Length
- 45.3 inches (1150 mm)
- Weight
- 320 lbs (145 kg)
Materials
- Transmission Case
- Aluminum alloy
- Driveshaft
- High-strength steel
- Differential Housing
- Cast iron
- Axles
- Forged steel
- Torque Tube
- Aluminum alloy
Features
- Transmission
-
- 6-speed automatic
- Adaptive shift control
- Sport mode
- Manual shift mode
- Differential
-
- Limited-slip differential
- Heavy-duty cooling
- Sealed housing
- Driveshaft
-
- Balanced for high-speed stability
- Carbon fiber reinforced
- Corrosion-resistant coating
- Suspension integration
-
- Independent rear suspension
- Adaptive damping system
- Active ride control
- Performance
-
- Launch control
- Traction control system
- Stability control system
Safety Features
- Electronic Systems
-
- Electronic stability control (ESC)
- Anti-lock braking system (ABS)
- Mechanical
-
- Reinforced torque tube
- Fail-safe transmission mode
- Monitoring
-
- Transmission temperature sensor
- Differential fluid level sensor
Comfort Features
- Noise Reduction
-
- Active noise cancellation
- Insulated torque tube
- Vibration Control
-
- Balanced driveshaft
- Hydraulic engine mounts
- Smoothness
-
- Adaptive shift programming
- Torque converter lockup
Accessories
- Upgrades
-
- Performance differential cover
- High-capacity cooling system
- Carbon fiber driveshaft
- Protection
-
- Skid plates
- Differential guard
- Driveshaft loop
- Monitoring
-
- Transmission temperature gauge
- Differential pressure sensor
- Driveshaft vibration sensor
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Transmission fluid change
- Differential fluid change
- Driveshaft inspection
- Torque tube alignment check
- Transfer case lubrication
- Maintenance Notes
- Use only manufacturer-recommended fluids. Check for leaks and wear during every service.
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain
- Miles: 100,000Years: 5Coverage: Drivetrain components
- Corrosion
- Miles: UnlimitedYears: 6Coverage: Perforation only
- Roadside Assistance
- Miles: 100,000Years: 5Coverage: 24/7 emergency services
Production Details
- Manufacturer
- General Motors
- Manufacturing Process
-
- Precision machining
- Robotic assembly
- Quality testing
- Quality Control
- inspection: 100% component testingTolerance: ±0.001 inches (0.025 mm)
- Sustainability
-
- Recycled materials
- Energy-efficient production
- Waste reduction
- Production Metrics
- Units Per Day: 500Defect Rate: 0.01%
Service Information for drivetrain Service
Maintenance and service requirements specific to this component
- Inspect driveshaft for wear
- Check transmission fluid level
- Inspect differential seals
- Lubricate transfer case
- Check torque tube alignment
Use only manufacturer-recommended fluids.
- Replace transmission fluid
- Replace differential fluid
- Inspect driveshaft balance
- Check transfer case fluid
- Test torque tube alignment
Special tools required for fluid replacement.
- Overhaul transmission
- Replace differential seals
- Inspect and balance driveshaft
- Replace transfer case fluid
- Check torque tube integrity
Major service requires professional equipment and expertise.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications of the drivetrain in a 2005-2011 Cadillac STS?
What are the technical specifications of the drivetrain in a 2005-2011 Cadillac STS?
The 2005-2011 Cadillac STS features a rear-wheel-drive layout with optional all-wheel drive. The drivetrain includes a 3.6L V6 engine or a 4.6L Northstar V8 engine, mated to a 6-speed automatic transmission. The final drive ratio varies by model year and engine configuration, typically around 3.42:1 for V6 models and 3.71:1 for V8 models. The drivetrain is designed for smooth power delivery and responsive handling, with the optional AWD system providing enhanced traction and stability.
Q2 What are the recommended maintenance requirements for the drivetrain?
What are the recommended maintenance requirements for the drivetrain?
Regular maintenance for the drivetrain includes fluid checks every 5,000 miles, transmission fluid changes every 30,000 miles, and differential fluid changes every 50,000 miles. Inspect the driveshaft and axles every 15,000 miles for wear or damage. Replace the air filter every 15,000 miles and spark plugs every 100,000 miles. Follow the recommended schedule in the owner's manual to ensure optimal performance and longevity.
Q3 How do I replace the drivetrain components?
How do I replace the drivetrain components?
Replacing drivetrain components requires mechanical expertise. For example, replacing the driveshaft involves raising the vehicle, removing the center bearing, and disconnecting the shaft from the transmission and differential. Use specialized tools to avoid damage. For the transmission, drain the fluid, disconnect electrical connectors, and remove mounting brackets before lifting it out. Always refer to the service manual for specific instructions and safety precautions.
Q4 How do I troubleshoot common drivetrain issues?
How do I troubleshoot common drivetrain issues?
Common issues include vibration, noise, or loss of power. Check for worn or damaged driveshaft components, low fluid levels, or faulty sensors. For vibrations, inspect the balance of the driveshaft and wheel bearings. For noise, check the transmission and differential gears. Use diagnostic tools to scan for trouble codes in the ECU. Address any issues promptly to prevent further damage.
Q5 How can I optimize the performance of the drivetrain?
How can I optimize the performance of the drivetrain?
Optimize performance by ensuring proper wheel alignment, maintaining correct tire pressure, and upgrading to high-performance transmission fluid. Avoid excessive load and towing without proper equipment. Consider aftermarket tuning for enhanced transmission shifting and torque delivery. Regularly clean and inspect drivetrain components to maintain efficiency 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.
Cadillac STS Service Manual (2005-2011)
Coming SoonComprehensive service manual covering diagnostics, repair, and maintenance procedures for the Cadillac STS drivetrain.
Technical Service Bulletin (TSB) - Drivetrain Updates
Coming SoonOfficial updates and bulletins addressing drivetrain performance, reliability, and safety improvements.
Genuine GM Parts Catalog (Drivetrain Components)
Coming SoonCatalog of genuine drivetrain components for the 2005-2011 Cadillac STS, including part numbers and specifications.
About the Author
Expert automotive knowledge and experience
'/%3E%3Cpath d='M60 30a20 20 0 1 1 0 40 20 20 0 0 1 0-40zm0 45c16.5 0 30 7.5 30 16.8V100H30v-8.2c0-9.3 13.5-16.8 30-16.8z' fill='%23404040'/%3E%3C/svg%3E)
Diagnostic
Specialized in advanced diagnostic techniques using modern scan tools and oscilloscopes.
Repair
Expert in both traditional mechanical repairs and modern vehicle systems.
Additional Expertise
Documentation
Created over 500 detailed repair guides and technical documents.
Training
Conducted technical training sessions and contributed to repair databases.
Certifications & Research
Certifications
- ASE Master Technician Certification
- Advanced Diagnostic Specialist
- Hybrid/Electric Vehicle Systems
- Performance Tuning Expert
Research & Community
Actively researches emerging technologies and contributes to automotive forums.
Legal Disclaimer
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.
General Information
Warranty & Liability
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.