Cadillac CTS 2003-2007 6.0L Engine Specifications
Explore the detailed 6.0L engine specifications for the 2003-2007 Cadillac CTS. Learn about horsepower, torque, fuel system, and engine dimensions for maintenance, repair, and upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the 6.0L engine used in the 2003-2007 Cadillac CTS. It is designed to assist enthusiasts, mechanics, and owners in understanding the engine's features, performance, and maintenance requirements. Use the search and navigation instructions to quickly find specific details. The sections cover key aspects such as performance, design, and maintenance, while the quick reference table summarizes essential specifications.
How to Use
Use the search function to locate specific terms or phrases within the document. Enter keywords like 'horsepower' or 'torque' to quickly find related information. Ensure spelling accuracy for optimal results.
Navigate through the document using the section titles and subsections. Click on a section to expand it and view detailed points. Use the quick reference table for a summary of key specifications.
Key Specifications
Horsepower
400 hp @ 6000 rpm
Torque
395 lb-ft @ 4400 rpm
Displacement
6.0L (5967 cc)
Compression Ratio
10.9:1
Fuel Efficiency
14 mpg city / 20 mpg highway
Available Specifications
Performance
This section highlights the performance capabilities of the 6.0L engine in the 2003-2007 Cadillac CTS. It includes details on horsepower, torque, acceleration, and fuel efficiency. Understanding these metrics can help you gauge the engine's power and efficiency in various driving conditions.
Performance
This section highlights the performance capabilities of the 6.0L engine in the 2003-2007 Cadillac CTS. It includes details on horsepower, torque, acceleration, and fuel efficiency. Understanding these metrics can help you gauge the engine's power and efficiency in various driving conditions.
Power Output
- Horsepower: 400 hp @ 6000 rpm
- Torque: 395 lb-ft @ 4400 rpm
- Top speed: Approximately 155 mph
- 0-60 mph acceleration: 5.3 seconds
- Fuel efficiency: 14 mpg city / 20 mpg highway
- Compression ratio: 10.9:1
Driving Dynamics
- Rear-wheel drive configuration
- Six-speed manual transmission option
- Electronic throttle control for precise response
- Limited-slip differential for improved traction
- High-performance suspension tuning
- Adaptive ride control system
Design
This section delves into the engineering and design features of the 6.0L engine. It covers the engine's architecture, materials, and technologies that contribute to its reliability and performance. Learn about the innovative design elements that set this engine apart.
Design
This section delves into the engineering and design features of the 6.0L engine. It covers the engine's architecture, materials, and technologies that contribute to its reliability and performance. Learn about the innovative design elements that set this engine apart.
Engine Architecture
- V8 configuration with 90-degree bank angle
- Displacement: 6.0 liters (5967 cc)
- Aluminum block and cylinder heads
- Overhead valve (OHV) design with pushrods
- Variable valve timing for optimized performance
- Dual exhaust system for enhanced airflow
Materials and Technologies
- Forged steel crankshaft for durability
- Hyper-eutectic pistons for reduced friction
- Plasma-transferred wire arc (PTWA) cylinder coating
- Advanced fuel injection system
- Integrated oil cooler for temperature management
- High-flow intake manifold
Maintenance
This section provides essential information on maintaining the 6.0L engine. It includes recommended service intervals, fluid specifications, and tips for ensuring long-term reliability. Proper maintenance is crucial for maximizing the engine's lifespan and performance.
Maintenance
This section provides essential information on maintaining the 6.0L engine. It includes recommended service intervals, fluid specifications, and tips for ensuring long-term reliability. Proper maintenance is crucial for maximizing the engine's lifespan and performance.
Service Intervals
- Oil change: Every 5,000 miles or 6 months
- Spark plug replacement: Every 30,000 miles
- Air filter replacement: Every 15,000 miles
- Coolant flush: Every 50,000 miles
- Transmission fluid change: Every 60,000 miles
- Timing chain inspection: Every 100,000 miles
Fluid Specifications
- Engine oil: 5W-30 synthetic recommended
- Coolant: Dex-Cool extended life coolant
- Transmission fluid: GM-approved synthetic fluid
- Brake fluid: DOT 3 or DOT 4
- Power steering fluid: GM Hydraulic Fluid
- Fuel: Premium unleaded (91 octane or higher)
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Engine Specifications
Overview
- Type
- V8
- Configuration
- Naturally Aspirated
- Platform
- GM LS2
- Material
- Aluminum Block and Heads
- Location
- Front Longitudinal
Dimensions
- Length
- 27.5 inches (698.5 mm)
- Width
- 29.5 inches (749.3 mm)
- Height
- 27.0 inches (685.8 mm)
- Weight
- 415 lbs (188.2 kg)
- Displacement
- 364.1 cu in (5967 cc)
- Bore
- 4.0 inches (101.6 mm)
- Stroke
- 3.62 inches (92.0 mm)
Materials
- Block
- Aluminum
- Cylinder Heads
- Aluminum
- Pistons
- Hypereutectic Aluminum
- Crankshaft
- Forged Steel
- Valve Springs
- Steel Alloy
Features
- Performance
-
- 364 horsepower @ 6000 rpm
- 391 lb-ft torque @ 4400 rpm
- High-flow cylinder heads
- High-lift camshaft
- Fuel System
-
- Sequential Fuel Injection
- Returnless Fuel System
- Electronic Throttle Control
- Cooling
-
- High-capacity radiator
- Electric cooling fan
- Coolant recovery system
- Ignition
-
- Coil-near-plug ignition
- High-energy spark plugs
- Electronic ignition timing
- Exhaust
-
- Dual exhaust system
- Stainless steel headers
- Catalytic converters
Safety Features
- Engine Protection
-
- Oil pressure sensor
- Coolant temperature sensor
- Knock sensor
- Emission Control
-
- OBD-II compliance
- Catalytic converters
- Evaporative emission system
- Fuel Safety
-
- Fuel pump shut-off
- Fuel tank pressure sensor
- Leak detection system
Comfort Features
- Noise Reduction
-
- Acoustic engine cover
- Hydraulic engine mounts
- Sound-deadening materials
- Vibration Control
-
- Balanced crankshaft
- Dual-mass flywheel
- Engine isolation mounts
- Climate Control
-
- Heated intake manifold
- Engine coolant heater
- Auxiliary electric heater
Accessories
- Electrical
-
- High-output alternator
- Heavy-duty battery
- Electronic control module
- Cooling
-
- Electric cooling fan
- High-capacity radiator
- Coolant recovery tank
- intake
-
- High-flow air filter
- Cold air intake system
- Throttle body spacer
Maintenance
- Service interval
- Every 7,500 miles or 12 months
- Service Items
-
- Oil and filter change
- Air filter inspection
- Spark plug replacement
- Coolant flush
- Belt and hose inspection
- Fuel system cleaning
- Maintenance Notes
- Use synthetic oil for optimal performance. Regularly check coolant levels and inspect for leaks.
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain
- Miles: 100,000Years: 5Coverage: Engine, transmission, drivetrain
- Emissions
- Miles: 50,000Years: 2Coverage: Emission control components
- Corrosion
- Miles: 100,000Years: 6Coverage: Perforation from corrosion
Production Details
- Manufacturer
- General Motors
- Manufacturing Process
-
- Casting of aluminum block
- CNC machining of cylinder heads
- Assembly on automated line
- Dynamic engine testing
- Quality Control
- inspection: 100% engine testingTolerances: Micron-level precisionCertifications: ISO 9001
- Sustainability Practices
-
- Recycling of aluminum scrap
- Use of low-emission coatings
- Energy-efficient manufacturing
- Production Metrics
- Units Per Day: 500Defect Rate: <0.1%Lead Time: 2 weeks
Service Information for 6.0l engine Service
Maintenance and service requirements specific to this component
- Oil and filter change
- Air filter inspection
- Spark plug inspection
- Coolant level check
- Belt and hose inspection
Use synthetic oil for optimal performance.
- Fuel system cleaning
- Coolant flush
- Throttle body cleaning
- Ignition system check
- Exhaust system inspection
Ensure all emissions components are functioning properly.
- Spark plug replacement
- Serpentine belt replacement
- Coolant system overhaul
- Timing chain inspection
- Engine mount inspection
Major service interval, consider professional inspection.
Common Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications of the 6.0L engine in the 2003-2007 Cadillac CTS?
What are the technical specifications of the 6.0L engine in the 2003-2007 Cadillac CTS?
The 6.0L engine in the 2003-2007 Cadillac CTS is a V8 engine producing 400 horsepower at 6,000 rpm and 395 lb-ft of torque at 4,600 rpm. It features a cast aluminum block and heads, with a bore of 4.00 inches and a stroke of 3.62 inches. The engine is compatible with premium gasoline and is paired with a 6-speed manual or 6-speed automatic transmission. It was designed for high performance and reliability, making it a standout feature of the CTS-V model during these years.
Q2 What are the maintenance requirements for the 6.0L engine?
What are the maintenance requirements for the 6.0L engine?
Regular maintenance for the 6.0L engine includes oil changes every 5,000 to 7,500 miles using synthetic oil, coolant replacement every 150,000 miles, and spark plug replacement every 100,000 miles. It is also recommended to inspect the serpentine belt every 50,000 miles and replace it by 105,000 miles. Proper maintenance ensures the longevity and performance of the engine.
Q3 How do I install or replace the 6.0L engine?
How do I install or replace the 6.0L engine?
Replacing the 6.0L engine involves several steps: drain the coolant and oil, disconnect the battery, remove the intake manifold and engine accessories, disconnect the transmission and wiring harness, and carefully lift the engine out. Installation is the reverse process, ensuring all connections are secure and fluids are refilled. It is highly recommended to consult a service manual and consider professional assistance due to the complexity of the procedure.
Q4 How do I troubleshoot common issues with the 6.0L engine?
How do I troubleshoot common issues with the 6.0L engine?
Common issues include rough idling or misfires, often due to faulty spark plugs or ignition coils. Check the engine light for codes using an OBD-II scanner. Low compression or oil leaks may indicate more serious problems. Consult the service manual or a mechanic for accurate diagnostics and repairs, as improper fixes can lead to further damage.
Q5 How can I optimize the performance of the 6.0L engine?
How can I optimize the performance of the 6.0L engine?
Enhance performance with a high-flow air filter or cat-back exhaust system. Consider engine tuning for optimized fuel mapping and spark timing. Using premium gasoline can also improve power output. These modifications can increase horsepower and torque but should be installed by professionals to avoid engine damage.
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 6.0L Engine Service Manual
Coming SoonThis manual provides detailed instructions for maintenance, repair, and technical specifications of the 6.0L engine.
Cadillac CTS Engine Technical Bulletin
Coming SoonContains updates and fixes for common engine issues, ensuring optimal performance and reliability.
Cadillac CTS Parts Catalog
Coming SoonCatalog of genuine parts for the 6.0L engine, including numbers and availability.
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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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