Buick Lucerne 2006-2011 3.8L Engine Engine Specifications
Buick Lucerne 2006-2011

Buick Lucerne 2006-2011 3.8L Engine Specifications

Explore the detailed technical specifications of the 3.8L V6 engine in the 2006-2011 Buick Lucerne. This guide covers engine performance, maintenance, and repair insights for mechanics and enthusiasts.

Updated

Overview Specifications

This document provides detailed specifications and technical information about the 3.8L engine used in the 2006-2011 Buick Lucerne. It is designed to assist enthusiasts, mechanics, and owners in understanding the engine's features, performance, and maintenance requirements. The content is organized into sections for easy navigation, and a quick reference table is included for key specifications. Use this guide to explore the engine's capabilities and ensure optimal performance.

How to Use

To find specific information, use the search function by entering keywords related to the topic of interest. This will highlight relevant sections and subsections for quick access.

Navigate through the document by scrolling through the sections or using the table of contents. Each section is clearly labeled, and subsections provide detailed information for easy reference.

Key Specifications

Displacement

3.8 liters

Horsepower

197 hp

Torque

227 lb-ft

Fuel Efficiency

17/27 mpg

Engine Type

V6 OHV

Available Specifications

Engine Performance

This section covers the performance characteristics of the 3.8L engine in the Buick Lucerne, including horsepower, torque, and fuel efficiency. It also highlights the engine's smooth operation and reliability.

Power Output
  • Horsepower: 197 hp @ 5200 rpm
  • Torque: 227 lb-ft @ 3800 rpm
  • Fuel efficiency: 17 mpg city / 27 mpg highway
  • Engine type: V6 naturally aspirated
  • Compression ratio: 9.4:1
  • Redline: 6000 rpm
Smooth Operation
  • Balanced shaft for reduced vibration
  • Quiet engine operation
  • Hydraulic lifters for reduced noise
  • Durable timing chain
  • Advanced ignition system
  • Optimized airflow for efficiency

Engine Design

This section explores the design features of the 3.8L engine, including its construction, materials, and key components. It highlights the engine's durability and innovative engineering.

Construction
  • Cast iron engine block
  • Aluminum cylinder heads
  • Overhead valve (OHV) design
  • Sequential fuel injection
  • Steel crankshaft
  • High-strength connecting rods
Key Components
  • Electronic throttle control
  • Integrated ignition module
  • Dual-stage intake manifold
  • Variable camshaft timing
  • High-capacity oil pump
  • Efficient cooling system

Maintenance and Reliability

This section provides information on maintaining the 3.8L engine, including recommended service intervals, common issues, and tips for ensuring long-term reliability.

Service Intervals
  • Oil change: Every 5,000 miles
  • Spark plugs: Every 100,000 miles
  • Timing chain: Lifetime durability
  • Coolant flush: Every 50,000 miles
  • Air filter: Every 30,000 miles
  • Fuel filter: Every 50,000 miles
Common Issues
  • Intake manifold gasket leaks
  • Ignition coil failures
  • Throttle body malfunctions
  • Oil sludge buildup
  • Coolant leaks
  • Exhaust system corrosion

Engine Specifications

Overview

Type
V6
Configuration
60-degree
Displacement
3.8 liters
Material
Cast iron block, aluminum heads
Location
Front, longitudinal

Dimensions

Length
24.5 inches (622 mm)
Width
28.3 inches (719 mm)
Height
25.6 inches (650 mm)
Weight
415 lbs (188 kg)
Bore
3.8 inches (96.5 mm)
Stroke
3.4 inches (86.4 mm)
Compression Ratio
9.4:1

Materials

Block
Cast iron
Cylinder Heads
Aluminum
Pistons
Aluminum alloy
Crankshaft
Forged steel
Valves
Stainless steel

Features

Fuel System
  • Sequential multi-port fuel injection
  • Electronic throttle control
  • Variable intake manifold
Ignition System
  • Coil-on-plug ignition
  • Direct ignition system
  • Knock sensor control
Cooling System
  • Electric cooling fan
  • High-capacity radiator
  • Thermostatically controlled
Lubrication System
  • Full-pressure oil system
  • Oil cooler
  • High-capacity oil pump
Emissions Control
  • Catalytic converter
  • EGR system
  • EVAP system

Safety Features

Engine Protection
  • Low oil pressure warning
  • Overheating protection
  • Misfire detection
Emissions Compliance
  • OBD-II compliant
  • LEV-II emissions certified

Comfort Features

Noise Reduction
  • Balanced shaft
  • Acoustic engine cover
  • Hydraulic engine mounts
Vibration Reduction
  • Counter-rotating balance shafts
  • Rubber-isolated engine mounts

Accessories

Belts And Pulleys
  • Serpentine belt
  • Tensioner pulley
  • Idler pulley
Sensors
  • Crankshaft position sensor
  • Camshaft position sensor
  • Knock sensor
Gaskets And Seals
  • Cylinder head gasket
  • Valve cover gasket
  • Oil pan gasket

Maintenance

Service interval
Every 3,000 miles or 3 months
Service Items
  • Oil and filter change
  • Spark plug replacement
  • Air filter inspection
  • Coolant flush
  • Timing belt inspection
Maintenance Notes
Use synthetic oil for extended intervals. Check belt tension regularly.

Warranty

Basic
Miles: 36,000
Years: 3
Coverage: Bumper-to-bumper
Powertrain
Miles: 60,000
Years: 5
Coverage: Engine and transmission
Emissions
Miles: 80,000
Years: 8
Coverage: Catalytic converter and sensors
Corrosion
Miles: 100,000
Years: 6
Coverage: Perforation only

Production Details

Manufacturer
General Motors
Manufacturing Process
  • Casting
  • Machining
  • Assembly
  • Testing
Quality Control
inspection: 100% engine testing
Tolerances: Within 0.001 inches
Sustainability Practices
  • Recycled materials usage
  • Low-emission manufacturing
  • Energy-efficient processes
Production Metrics
Units Per Year: 150,000
Production Time: 8 hours per engine

Service Information for 3.8l engine Service

Maintenance and service requirements specific to this component

3,000
3
  • Oil and filter change
  • Inspect belts and hoses
  • Check fluid levels
  • Tire rotation

Use synthetic oil for extended intervals

30,000
24
  • Replace air filter
  • Inspect spark plugs
  • Check fuel system
  • Test emissions system

Ensure all connections are secure

60,000
48
  • Replace timing belt
  • Flush coolant system
  • Inspect engine mounts
  • Check compression

Timing belt replacement is critical to prevent engine damage

Common Questions

Find answers to common questions about torque specifications

Q1

What are the technical specifications of the 3.8L engine in the 2006-2011 Buick Lucerne?

The 3.8L V6 engine in the 2006-2011 Buick Lucerne features a displacement of 3.8 liters, producing 197 horsepower at 5,200 RPM and 227 lb-ft of torque at 3,800 RPM. It utilizes a sequential fuel injection system, a 4-speed automatic transmission, and is compatible with regular unleaded gasoline. The engine is designed for reliability and moderate performance, making it suitable for both city and highway driving conditions.

Q2

What are the recommended maintenance requirements for the 3.8L engine?

Regular maintenance for the 3.8L engine includes oil changes every 5,000 to 7,500 miles using 5W-30 synthetic blend oil, tire rotations every 7,500 miles, and spark plug replacements every 100,000 miles. Additionally, the coolant should be replaced every 50,000 miles, and the serpentine belt should be inspected every 50,000 miles and replaced as needed. It is also recommended to follow the maintenance schedule outlined in the owner's manual for optimal performance and longevity.

Q3

How do I replace the air filter or other common components of the 3.8L engine?

To replace the air filter, locate the air filter housing on the driver's side of the engine compartment. Open the housing by releasing the clips, remove the old filter, and install the new one, ensuring it is properly seated. For other components, such as the spark plugs, use a spark plug socket to remove the plugs one at a time, replacing each with a new plug of the correct specification. Always refer to the service manual for specific instructions and precautions.

Q4

What are common issues with the 3.8L engine and how can they be diagnosed?

Common issues with the 3.8L engine include rough idling, reduced fuel efficiency, and occasional stalling. These can often be attributed to faulty oxygen sensors, clogged fuel injectors, or malfunctioning ignition coils. To diagnose, use an OBD-II scanner to check for trouble codes. Inspect the sensors and connectors for damage or corrosion, and test the fuel system pressure if necessary. Addressing these issues promptly can prevent more severe engine damage.

Q5

How can I optimize the performance of the 3.8L engine?

To optimize performance, ensure regular maintenance is performed, including clean air filters, proper oil viscosity, and timely replacement of spark plugs. Additionally, using high-quality gasoline and avoiding excessive idling can improve efficiency. Consider upgrading to performance-grade ignition wires and spark plugs for enhanced combustion. However, avoid extreme modifications that may compromise engine reliability or void the warranty.

Factory Service Resources

Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.

Buick Lucerne 3.8L Engine Service Manual

Coming Soon

Comprehensive guide covering engine specifications, maintenance schedules, and repair procedures for the 3.8L V6 engine in the 2006-2011 Buick Lucerne.

Technical Bulletin: 3.8L Engine Updates and Recalls

Coming Soon

Summary of technical updates, recalls, and service bulletins specific to the 3.8L engine in the 2006-2011 Buick Lucerne.

Genuine GM Parts Catalog for Buick Lucerne

Coming Soon

Detailed catalog of genuine GM parts compatible with the 3.8L engine in the 2006-2011 Buick Lucerne, including filters, belts, and other components.

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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.
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About the Author

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Alan Montanye - Automotive Technical Specialist
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Alan Montanye

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