🏷️ Basic Information

Make:

Buick

Model:

Lucerne

Years Covered:

2009, 2010, 2011

Platform:

GM Epsilon II

👋 Introduction

Positioning:

The Buick Lucerne was positioned as a premium full-size sedan, offering comfort, quiet operation, and a refined driving experience, often competing with other domestic and import luxury sedans of its era.

Competitors:

Key competitors during its production run included the Cadillac DTS, Lincoln Town Car, Chrysler 300, and to some extent, imported luxury sedans like the Lexus LS and Mercedes-Benz E-Class.

Features:

The Lucerne was known for its smooth ride, spacious interior, optional Magnetic Ride Control suspension, and powerful V8 engine options, making it a popular choice for those seeking comfortable long-distance cruising.

📋 Manual Details

Systems Covered:

Engine Mechanical, Engine Performance Controls, Fuel System, Driveline Axles, Brakes, Steering, Suspension, HVAC, Restraints, Electrical System, Body Panels, Exterior Trim, Interior Trim, Lighting, Security Systems, Infotainment, Navigation, Collision Repair, Cruise Control, Data Communications, Displays, Immobilizer, Object Detection, Power Seats, Remote Functions, Seat Heating/Cooling, Secondary Controls, Steering Wheel/Column, Sunroof, Theft Deterrent, Tire Pressure Monitoring, Vehicle Access, Water Leaks, Wipers/Washers, Wiring System, Power Management, Transmission (4T65-E, 4T80-E)

Total Pages:

8400+

Type:

Factory Workshop Service Repair Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Engine Systems:

3.9L and 4.6L V8 engine diagnostics, repair, component locator, schematics, specifications, special tools, off-vehicle and on-vehicle repair instructions.

Repair Procedures:

Detailed step-by-step repair instructions for all major vehicle systems, including engine rebuild, transmission overhaul, brake component replacement, suspension and steering system repairs, electrical diagnostics, body panel alignment, and HVAC servicing.

Depth:

Comprehensive coverage from basic maintenance, fluid changes, and component replacement to advanced diagnostic procedures, electrical system troubleshooting, and complete mechanical system overhauls.

📊 Manual Specifications

Compatibility:

Compatible with Windows (10, 8, 7, Vista 32/64, XP, ME, 98, NT, 2000) and Mac operating systems. Usable on Tablets and Phones.

Illustrations:

Hi-Resolution illustrations, photos, and diagrams for clear visualization of repair procedures.

Binding:

Digital (PDF format for printing or on-screen viewing)

Paper Type:

N/A (Digital Format)

⚙️ Engine Specifications

Engine 1 Displacement:

3.9L (3880cc) V6

Engine 1 Configuration:

V6 OHV

Engine 1 Fuel System:

Multi-port Fuel Injection (MPFI)

Engine 2 Displacement:

4.6L (4565cc) V8

Engine 2 Configuration:

V8 Northstar DOHC, 32-valve

Engine 2 Fuel System:

Multi-port Fuel Injection (MPFI)

Fuel Type:

Unleaded Gasoline

🔧 Transmission

Transmission Type 3.9L:

4-Speed Automatic (4T65-E)

Transmission Type 4.6L:

4-Speed Automatic (4T80-E)

Transmission Features:

Traction Control, Driver Shift Control (manual shifting capability on some models).

📐 Dimensions

Length:

Approx. 203.0 inches (5156 mm)

Width:

Approx. 73.0 inches (1854 mm)

Height:

Approx. 58.4 inches (1483 mm)

Curb Weight V6:

Approx. 3800 - 4000 lbs (1724 - 1814 kg)

Curb Weight V8:

Approx. 3900 - 4100 lbs (1769 - 1860 kg)

🛡️ Safety Features

NHTSA Front Impact Driver:

5-Star (for 2009-2011 models, varies slightly by year)

NHTSA Front Impact Passenger:

5-Star (for 2009-2011 models, varies slightly by year)

IIHS Side Impact:

Good (for models equipped with side airbags)

Active Safety Systems:

Anti-lock Braking System (ABS), Traction Control System (TCS), StabiliTrak (GM's Electronic Stability Control), Tire Pressure Monitoring System (TPMS).

Passive Safety Systems:

Dual front airbags, front seat-mounted side-impact airbags, roof-mounted side curtain airbags (optional/standard depending on trim), front seatbelt pretensioners, LATCH child seat anchors.

💡 Technology Features

Infotainment System:

Available OnStar, premium audio systems, CD player, MP3 capability, and available touch-screen navigation. Rear-seat entertainment options were also available on higher trims.

Driver Assistance Features:

Reverse parking assist, available rearview camera, and the aforementioned StabiliTrak stability control.

Connectivity Features:

Bluetooth hands-free calling was introduced and became more prevalent in later model years. OnStar provided telematics and emergency services.

🔧 Maintenance

Oil Change Interval:

Typically every 7,500 miles or 12 months, whichever comes first, using synthetic oil. Refer to specific oil life monitor readings.

Tire Rotation Interval:

Every 7,500 miles or as recommended by tire wear.

Cabin Air Filter Replacement:

Recommended every 15,000-30,000 miles or annually, depending on driving conditions.

Engine Oil Spec 3.9L:

SAE 5W-30 (Dexos or equivalent)

Engine Oil Spec 4.6L:

SAE 5W-30 (Dexos or equivalent)

Coolant Type:

GM P/N 12378330 or 88891344 (Orange Long-Life) or equivalent.

Transmission Fluid 4T65-E:

Dexron-VI (or P/N 88861272)

Transmission Fluid 4T80-E:

Dexron-VI (or P/N 88861272)

Common Issues:

Some models may experience issues with the intake manifold gaskets (3.9L V6), evaporative emissions control system (EVAP), power steering leaks, or electronic throttle body problems. The 4.6L Northstar V8 can sometimes have head gasket issues if not properly maintained.

📚 Vehicle History

Brand Focus:

Buick, a division of General Motors, has historically focused on producing comfortable, quiet, and well-equipped vehicles, often targeting a mature demographic seeking value and refinement.

Lucerne Positioning:

The Lucerne succeeded the Buick Park Avenue and LeSabre, serving as Buick's flagship sedan during its production years. It was based on the GM Epsilon II platform, shared with other GM sedans like the Buick LaCrosse and Chevrolet Impala.

Production Location:

Detroit-Hamtramck Assembly Plant, Michigan, USA.

🏆 Awards & Recognition

Safety Awards:

Received high safety ratings from IIHS and NHTSA, often achieving 'Good' or 'Top Safety Pick' status in relevant crashworthiness tests.

Reliability Ratings:

Reliability ratings varied by model year and specific powertrain, with some owners reporting excellent long-term reliability while others noted specific common issues, as detailed in the manual.