Cadillac CTS 2003-2007 Drivetrain Specifications
Explore the detailed drivetrain specifications for the 2003-2007 Cadillac CTS, including engine, transmission, and differential details. Perfect for maintenance, repairs, and performance upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the drivetrain of the 2003-2007 Cadillac CTS. It is designed to assist enthusiasts, mechanics, and owners in understanding the vehicle's drivetrain components, performance, and maintenance. Use the search functionality to locate specific terms or navigate through sections to explore detailed information about the engine, transmission, differential, and other drivetrain-related systems.
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Use the search bar to enter keywords related to the drivetrain, such as 'transmission type' or 'torque specs'. Results will highlight relevant sections and subsections for quick access.
Scroll through the sections to explore major topics like engine specifications, transmission details, and differential systems. Click on subsections to view detailed technical points and specifications.
Key Specifications
Engine Power
220-255 hp
Torque
218-252 lb-ft
Transmission
5-speed manual/automatic
Drivetrain
RWD/AWD
Axle Ratio
3.23:1 - 3.42:1
Available Specifications
Engine Specifications
This section covers the engine options available for the 2003-2007 Cadillac CTS, including displacement, horsepower, torque, and fuel delivery systems. It also provides details on engine configurations and performance characteristics.
Engine Specifications
This section covers the engine options available for the 2003-2007 Cadillac CTS, including displacement, horsepower, torque, and fuel delivery systems. It also provides details on engine configurations and performance characteristics.
Base Engine
- 3.2L V6 engine
- 220 horsepower at 6000 rpm
- 218 lb-ft of torque at 3400 rpm
- Sequential fuel injection system
- Dual overhead camshafts (DOHC)
- Aluminum block and heads
Performance Engine
- 3.6L V6 engine (available in later models)
- 255 horsepower at 6200 rpm
- 252 lb-ft of torque at 3100 rpm
- Variable valve timing (VVT)
- Direct fuel injection system
- High-flow intake and exhaust
Transmission Details
This section provides information about the transmission options for the 2003-2007 Cadillac CTS, including manual and automatic variants. It also covers gear ratios, shift mechanisms, and performance features.
Transmission Details
This section provides information about the transmission options for the 2003-2007 Cadillac CTS, including manual and automatic variants. It also covers gear ratios, shift mechanisms, and performance features.
Manual Transmission
- 5-speed manual transmission
- Close-ratio gear set
- Hydraulic clutch system
- Short-throw shifter
- Limited-slip differential (optional)
- Gear ratios: 3.42 (1st), 2.23 (2nd), 1.55 (3rd), 1.16 (4th), 0.84 (5th)
Automatic Transmission
- 5-speed automatic transmission
- Electronic shift control
- Adaptive shift programming
- Manual shift mode (optional)
- Gear ratios: 3.06 (1st), 1.63 (2nd), 1.00 (3rd), 0.70 (4th), 0.49 (5th)
- Torque converter with lockup clutch
Differential and Drivetrain
This section explains the differential and drivetrain configurations of the 2003-2007 Cadillac CTS, including rear-wheel drive (RWD) and all-wheel drive (AWD) options. It also covers axle ratios and traction control systems.
Differential and Drivetrain
This section explains the differential and drivetrain configurations of the 2003-2007 Cadillac CTS, including rear-wheel drive (RWD) and all-wheel drive (AWD) options. It also covers axle ratios and traction control systems.
Rear-Wheel Drive (RWD)
- Standard rear-wheel drive configuration
- Open differential (base models)
- Limited-slip differential (optional)
- Axle ratio: 3.42:1
- Traction control system (TCS)
- Stability control system (StabiliTrak)
All-Wheel Drive (AWD)
- Available AWD system (later models)
- Electronic torque distribution
- Active transfer case
- Axle ratio: 3.23:1
- Enhanced traction control
- Improved handling in adverse conditions
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Component Specifications
Overview
- Type
- Rear-wheel drive (RWD) / All-wheel drive (AWD)
- Configuration
- Longitudinal engine placement
- Platform
- GM Sigma platform
- Material
- High-strength steel and aluminum components
- Location
- Central and rear-mounted drivetrain components
Dimensions
- Driveshaft Length
- 72.5 inches (1841.5 mm)
- Transmission Length
- 28.3 inches (719 mm)
- Differential Width
- 22.8 inches (579 mm)
- Axle Shaft Diameter
- 1.25 inches (31.75 mm)
- Transfer Case Length
- 14.7 inches (373 mm)
- Propeller Shaft Diameter
- 3.5 inches (88.9 mm)
- Final Drive Ratio
- 3.42:1 (standard), 3.73:1 (optional)
Materials
- Driveshaft
- High-strength steel with aluminum center support
- Transmission Housing
- Aluminum alloy
- Differential Case
- Cast iron with aluminum cover
- Axle Shafts
- Forged steel
- Transfer Case
- Aluminum alloy with steel internals
Features
- Transmission
-
- 5-speed automatic (5L40-E)
- Optional 6-speed manual (Aisin AY-6)
- Electronic shift control
- Adaptive shift programming
- Differential
-
- Limited-slip differential (optional)
- Sealed gear housing
- Integrated cooling fins
- High-capacity fluid reservoir
- Driveshaft
-
- Two-piece design with center support bearing
- Balanced for high-speed operation
- U-joint lubrication fittings
- Corrosion-resistant coating
- Axles
-
- Independent rear suspension
- CV joints with protective boots
- High-torque capacity
- Sealed for life design
- Transfer Case
-
- Electronic control (AWD models)
- Torque biasing capability
- Sealed lubrication system
- Integrated temperature sensor
Safety Features
- Stability Control
-
- StabiliTrak electronic stability control
- Traction control system
- Anti-lock braking system (ABS) integration
- Structural integrity
-
- Reinforced drivetrain mounts
- Crash-resistant driveshaft tunnel
- Protected fuel lines and brake lines
- Thermal Protection
-
- Heat shields for exhaust components
- Transmission fluid temperature monitoring
- Differential temperature sensor
Comfort Features
- Noise Reduction
-
- Acoustic dampening materials
- Balanced driveline components
- Isolated drivetrain mounts
- Vibration Control
-
- Dual-mass flywheel (manual transmission)
- Hydraulic engine mounts
- Precision-balanced driveshaft
- Performance
-
- Smooth power delivery
- Adaptive shift programming
- Responsive throttle mapping
Accessories
- Cooling
-
- Transmission oil cooler
- Differential cooling fins
- Transfer case ventilation system
- Lubrication
-
- Synthetic transmission fluid
- High-performance gear oil
- Lubrication fittings for U-joints
- Monitoring
-
- Drivetrain temperature sensors
- Fluid level sensors
- Wear indicators for clutch components
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Transmission fluid and filter replacement
- Differential fluid change
- Driveshaft U-joint lubrication
- Transfer case fluid inspection
- Axle boot inspection and replacement if necessary
- Maintenance Notes
- Use only GM-approved fluids and lubricants for optimal performance and warranty compliance.
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain
- Miles: 100,000Years: 5Coverage: Drivetrain components
- Corrosion
- Miles: 100,000Years: 6Coverage: Perforation from corrosion
- Roadside Assistance
- Miles: 100,000Years: 5Coverage: 24/7 emergency services
Production Details
- Manufacturer
- General Motors
- Manufacturing Process
-
- Computer-controlled machining
- Robotic assembly
- Laser alignment of drivetrain components
- Quality Control
- Testing: Dynamometer testing, Vibration analysis, Thermal cycling testsinspection: Dimensional accuracy checks, Material hardness testing, Surface finish analysis
- Sustainability Practices
-
- Recycled materials in components
- Energy-efficient manufacturing
- Waste reduction programs
- Production Metrics
- Units Per Day: 120Defect Rate: 0.02%Energy Consumption: 15 kWh per unit
Service Information for drivetrain Service
Maintenance and service requirements specific to this component
- Inspect transmission fluid level and condition
- Check differential fluid level
- Lubricate driveshaft U-joints
- Inspect axle boots for damage
- Check transfer case fluid level
Use only GM-approved fluids and lubricants
- Replace transmission fluid and filter
- Change differential fluid
- Inspect driveshaft for balance and wear
- Check transfer case fluid condition
- Inspect clutch components (manual transmission)
Special tools required for transmission service
- Complete drivetrain inspection
- Replace transfer case fluid
- Inspect and replace worn U-joints
- Check and adjust drivetrain alignment
- Perform vibration analysis
Major service interval - recommend professional inspection
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications of the 2003-2007 Cadillac CTS drivetrain?
What are the technical specifications of the 2003-2007 Cadillac CTS drivetrain?
The 2003-2007 Cadillac CTS features a rear-wheel-drive layout with optional all-wheel drive. Engine options include a 2.8L High Feature V6, 3.1L V6, or 3.6L High Feature V6. Transmissions include a 5-speed manual, 6-speed manual, or 5-speed automatic. The drivetrain is compatible with GM's Type 170 or 080 transmissions and uses a limited-slip differential with a 3.73:1 or 3.42:1 ratio depending on the model year and configuration.
Q2 What are the recommended maintenance requirements for the drivetrain?
What are the recommended maintenance requirements for the drivetrain?
Regular maintenance includes changing the transmission fluid every 30,000-60,000 miles, differential fluid every 15,000-30,000 miles, and inspecting driveshaft components annually. Replace the driveshaft center bearings at the first sign of wear. Ensure proper wheel alignment and tire pressure to reduce drivetrain stress. Follow the GM-recommended maintenance schedule for optimal performance and longevity.
Q3 How do I replace the driveshaft or differential?
How do I replace the driveshaft or differential?
To replace the driveshaft, raise the vehicle, remove the center bearing bracket, and slide off the driveshaft. Install the new driveshaft by aligning the splines and securing it with the center bearing bracket. For the differential, remove the driveshaft, drain the fluid, and disconnect the differential mounting bolts. Remove the differential assembly, install the new one, and refill with the appropriate fluid. Refer to the GM service manual for detailed steps.
Q4 How do I troubleshoot common drivetrain issues?
How do I troubleshoot common drivetrain issues?
For vibrations, inspect the driveshaft for imbalance or worn center bearings. For noise, check the differential fluid level and condition, and inspect for worn gears or bearings. For slipping or hesitation, check the transmission fluid level and condition, and scan for fault codes using an OBD-II scanner. Address any issues promptly to prevent further damage.
Q5 How can I optimize the performance of my CTS drivetrain?
How can I optimize the performance of my CTS drivetrain?
Upgrade to high-performance transmission fluid and differential fluid for improved lubrication and heat resistance. Install a performance-oriented driveshaft with a higher strength rating. Consider upgrading to a limited-slip differential for improved traction. Ensure proper wheel alignment and tire pressure, and avoid aggressive driving conditions that stress the drivetrain. Regular maintenance is key to maintaining optimal 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 CTS Service Manual (2003-2007)
Coming SoonComprehensive guide covering drivetrain maintenance, repair, and specifications.
GM Technical Service Bulletin - Drivetrain Updates
Coming SoonContains updates and repairs for common drivetrain issues in 2003-2007 CTS models.
Cadillac CTS Parts Catalog (2003-2007)
Coming SoonDetailed listing of drivetrain components, including part numbers and compatibility.
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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.
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