Buick Lucerne 2006-2011 4.6L Engine Specifications
Explore the detailed 4.6L engine specifications for the 2006-2011 Buick Lucerne. This guide covers technical data, maintenance tips, and performance upgrades to help you optimize your vehicle's engine performance and longevity.
Overview Specifications
This document provides detailed specifications and technical information about the 4.6L V8 engine used in the 2006-2011 Buick Lucerne. It is designed for automotive enthusiasts, mechanics, and owners who need accurate, comprehensive data about this engine. The content is organized into sections covering engine design, performance, maintenance, and key specifications. Use the search and navigation features to quickly locate specific information or browse through the sections for a complete understanding of the engine's capabilities and characteristics.
How to Use
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Key Specifications
Displacement
4.6L
Horsepower
275 HP
Torque
295 lb-ft
Fuel Type
Regular Unleaded
Compression Ratio
10.5:1
Available Specifications
Engine Design
This section covers the fundamental design aspects of the 4.6L V8 engine, including its architecture, materials, and construction. Learn about the engine's layout, cylinder configuration, and the technologies used to enhance its performance and durability.
Engine Design
This section covers the fundamental design aspects of the 4.6L V8 engine, including its architecture, materials, and construction. Learn about the engine's layout, cylinder configuration, and the technologies used to enhance its performance and durability.
Architecture
- V8 configuration with 90-degree bank angle
- Aluminum block and cylinder heads
- Dual overhead camshafts (DOHC)
- Four valves per cylinder
- Variable valve timing (VVT)
- Sequential fuel injection
Materials
- Aluminum alloy for reduced weight
- Cast iron cylinder liners
- Forged steel crankshaft
- High-strength connecting rods
- Thermal-resistant piston rings
Performance
Explore the performance characteristics of the 4.6L V8 engine, including horsepower, torque, and fuel efficiency. This section provides detailed metrics and explains how the engine delivers power and responsiveness in the Buick Lucerne.
Performance
Explore the performance characteristics of the 4.6L V8 engine, including horsepower, torque, and fuel efficiency. This section provides detailed metrics and explains how the engine delivers power and responsiveness in the Buick Lucerne.
Power Output
- 275 horsepower at 5700 RPM
- 295 lb-ft of torque at 4400 RPM
- Redline at 6200 RPM
- Smooth power delivery across the RPM range
- Optimized for mid-range torque
Fuel Efficiency
- EPA-estimated 15 MPG city
- EPA-estimated 22 MPG highway
- E10 fuel compatibility
- Low rolling resistance tires
- Aerodynamic vehicle design
Maintenance
This section provides essential maintenance information for the 4.6L V8 engine, including recommended service intervals, common issues, and tips for keeping the engine in optimal condition. Follow these guidelines to ensure long-term reliability and performance.
Maintenance
This section provides essential maintenance information for the 4.6L V8 engine, including recommended service intervals, common issues, and tips for keeping the engine in optimal condition. Follow these guidelines to ensure long-term reliability and performance.
Service Intervals
- Oil change every 5000 miles
- Spark plug replacement every 100,000 miles
- Timing belt inspection every 60,000 miles
- Air filter replacement every 30,000 miles
- Coolant flush every 150,000 miles
Common Issues
- Oil leaks from valve cover gaskets
- Throttle body sensor malfunctions
- Variable valve timing actuator noise
- Coolant leaks from intake manifold
- Ignition coil failures
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Engine Specifications
Overview
- Type
- V8
- Configuration
- 90-degree V
- Displacement
- 4.6 liters (281 cubic inches)
- Material
- Aluminum block and heads
- Location
- Front longitudinal
- Fuel System
- Sequential fuel injection
Dimensions
- Length
- 28.5 inches (724 mm)
- Width
- 30.7 inches (780 mm)
- Height
- 27.6 inches (701 mm)
- Weight
- 450 lbs (204 kg)
- Bore
- 3.66 inches (93 mm)
- Stroke
- 3.31 inches (84 mm)
- Compression Ratio
- 9.4:1
Materials
- Block
- Aluminum alloy
- Cylinder Heads
- Aluminum alloy
- Pistons
- Forged aluminum
- Crankshaft
- Forged steel
- Valves
- Stainless steel
Features
- Performance
-
- 275 hp @ 5700 rpm
- 295 lb-ft torque @ 4500 rpm
- Dual overhead camshafts
- Variable valve timing
- Fuel Efficiency
-
- Sequential fuel injection
- Electronic throttle control
- Optimized combustion chambers
- Cooling
-
- High-capacity radiator
- Electric cooling fan
- Thermostatically controlled
- Ignition
-
- Coil-on-plug ignition
- Platinum-tipped spark plugs
- Knock sensor system
- Emissions
-
- Catalytic converters
- EGR system
- OBD-II compliant
Safety Features
- Engine Protection
-
- Oil pressure sensor
- Coolant temperature sensor
- Engine knock detection
- Fuel System
-
- Leak detection system
- Automatic shut-off valve
- Impact-resistant fuel lines
Comfort Features
- Noise Reduction
-
- Acoustic engine cover
- Hydraulic engine mounts
- Balanced rotating assembly
- Vibration Control
-
- Counter-rotating balance shafts
- Dual-mass flywheel
- Isolated accessories
Accessories
- Belts
-
- Serpentine belt
- Timing chain
- Accessory drive belts
- Filters
-
- Oil filter
- Air filter
- Fuel filter
- Fluids
-
- Engine oil
- Coolant
- Power steering fluid
Maintenance
- Service interval
- Every 7,500 miles or 6 months
- Service Items
-
- Oil and filter change
- Spark plug inspection
- Timing chain inspection
- Coolant flush
- Air filter replacement
- Maintenance Notes
- Use synthetic oil for optimal performance
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain
- Miles: 60,000Years: 5Coverage: Engine and transmission
- Corrosion
- Miles: 100,000Years: 6Coverage: Perforation only
- Emissions
- Miles: 50,000Years: 4Coverage: Federal emissions components
Production Details
- Manufacturer
- General Motors
- Manufacturing Process
-
- Casting for block and heads
- CNC machining
- Assembly line integration
- Quality Control
- Dimensional Checks: Laser scanningLeak Testing: Pressure and vacuum testsPerformance Testing: Dyno testing
- Sustainability Practices
-
- Recycled aluminum use
- Energy-efficient manufacturing
- Waste reduction programs
- Production Metrics
- Annual Output: 50,000 unitsDefect Rate: 0.5%Assembly Time: 4.5 hours per engine
Service Information for 4.6l engine Service
Maintenance and service requirements specific to this component
- Oil and filter change
- Inspect spark plugs
- Check coolant level
- Inspect belts and hoses
- Check air filter
Use synthetic oil for extended intervals
- Replace air filter
- Inspect timing chain
- Flush coolant system
- Check fuel system for leaks
- Inspect ignition system
Ensure all fluid levels are topped off
- Replace spark plugs
- Inspect and replace timing chain if necessary
- Flush and replace power steering fluid
- Inspect and replace serpentine belt
- Perform compression test
Critical to follow torque specifications during reassembly
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 4.6L engine compatible with other Buick models or years?
Is the 4.6L engine compatible with other Buick models or years?
The 4.6L V8 engine used in the 2006-2011 Buick Lucerne is specifically designed for this model and year range. While it shares similarities with other GM engines, direct compatibility with other Buick models or years is limited. Always verify engine codes and specifications before attempting to swap or install this engine in a different vehicle. Consult a professional mechanic or refer to the vehicle’s service manual for accurate compatibility information.
Q2 What are the maintenance requirements for the 4.6L engine?
What are the maintenance requirements for the 4.6L engine?
The 4.6L engine requires regular maintenance to ensure optimal performance. Key tasks include oil changes every 5,000 miles, air filter replacement every 15,000 miles, and spark plug inspection every 30,000 miles. Additionally, coolant should be flushed every 50,000 miles, and the timing chain should be inspected periodically. Adhering to the manufacturer’s recommended maintenance schedule will help prevent costly repairs and extend the engine’s lifespan.
Q3 How do I replace the 4.6L engine in a Buick Lucerne?
How do I replace the 4.6L engine in a Buick Lucerne?
Replacing the 4.6L engine involves several steps: Disconnect the battery, drain fluids, and remove components like the air intake, exhaust manifold, and wiring harness. Use an engine hoist to lift the old engine out and carefully lower the new engine into place. Reconnect all components, refill fluids, and test the engine for proper operation. Due to the complexity, it’s recommended to consult the service manual or hire a professional mechanic for this task.
Q4 What should I do if the 4.6L engine is misfiring?
What should I do if the 4.6L engine is misfiring?
Engine misfires in the 4.6L engine are often caused by faulty spark plugs, ignition coils, or fuel injectors. Begin by scanning the vehicle for diagnostic trouble codes (DTCs). Inspect and replace spark plugs or ignition coils if necessary. Check fuel injectors for clogs or leaks. If the issue persists, inspect the fuel pump, oxygen sensors, and compression levels. Regular maintenance and timely repairs can prevent misfires and ensure smooth engine performance.
Q5 How can I optimize the performance of the 4.6L engine?
How can I optimize the performance of the 4.6L engine?
To optimize the 4.6L engine’s performance, use high-quality synthetic oil and premium fuel. Upgrade the air intake and exhaust systems for better airflow. Regularly clean or replace the fuel injectors and throttle body. Ensure the engine is properly tuned and maintain optimal tire pressure for efficient driving. Additionally, consider installing a performance chip or reprogramming the ECU for enhanced power and fuel efficiency.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2006-2011 Buick Lucerne Service Manual
Coming SoonThis comprehensive manual provides detailed instructions for maintenance, repairs, and troubleshooting for the Buick Lucerne, including the 4.6L engine.
Technical Service Bulletin for 4.6L Engine
Coming SoonThis bulletin addresses common issues and updates for the 4.6L engine, including diagnostic procedures and recommended fixes.
Buick Lucerne Parts and Accessories Guide
Coming SoonThis guide lists OEM and aftermarket parts compatible with the 2006-2011 Buick Lucerne, including engine components and accessories.
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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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