Segment:
Full-size luxury sedan.
Competitors:
Chrysler 300, Dodge Charger, Ford Taurus, Lincoln Town Car (discontinued for 2011 but relevant to segment).
Convenience:
Instant online access, saves money on repairs, easy to use.
Licensing:
Officially licensed, derived from OE (Original Equipment) materials.
Access Duration:
1 Year included, with discounts for additional years.
Engine:
Complete diagnostics, repair, and overhaul procedures for all gasoline engines offered in 2011.
Transmission:
Automatic transmission (e.g., 4T80-E/4T82-E) diagnosis, repair, fluid changes, and internal component servicing.
Brakes:
Detailed procedures for ABS, traction control, brake fluid, pad/rotor replacement, caliper service, and hydraulic system bleeding.
Suspension Steering:
Front and rear suspension components, steering system diagnosis and repair, power steering, alignment specifications.
Electrical:
Comprehensive wiring diagrams, component testing, diagnostic procedures for body control module (BCM), powertrain control module (PCM), and accessories.
HVAC:
Air conditioning system diagnosis, refrigerant handling, climate control module, heater core replacement, and ventilation.
Body And Trim:
Panel removal and installation, door mechanisms, interior trim, glass replacement, and structural component repair.
Maintenance:
Scheduled maintenance intervals, fluid level checks and top-offs, filter replacements, lubrication points.
Troubleshooting:
Diagnostic flowcharts, symptom-based troubleshooting, error code explanations and resolutions.
Repair:
Step-by-step repair instructions for all major vehicle systems and components.
Diagnostics:
In-depth diagnostic procedures utilizing scan tools, multimeters, and specialized equipment.
Depth:
Factory-level detail suitable for professional technicians and advanced DIY enthusiasts.
Engine Option 1:
3.9L V6 OHV 12-Valve (L37) High Output
Engine Option 2:
4.6L V8 SOHC 32-Valve (Northstar - LY7 variant used in earlier Lucernes, check for 2011 application if applicable)
3.9L V6 Horsepower:
227 hp @ 5500 rpm (approx.)
3.9L V6 Torque:
235 lb-ft @ 4500 rpm (approx.)
Fuel Delivery:
Sequential Fuel Injection (SFI)
Fuel Type:
Regular Unleaded Gasoline (87 octane recommended)
NHTSA Front Driver Side:
5-Star (2011 Model Year)
NHTSA Front Passenger Side:
5-Star (2011 Model Year)
NHTSA Side Driver Door:
5-Star (2011 Model Year)
NHTSA Side Rear Passenger:
5-Star (2011 Model Year)
NHTSA Rollover:
4-Star (2011 Model Year)
Traction Control:
Standard
Electronic Stability Control:
Standard (StabiliTrak)
Airbags:
Frontal, Side-Impact, Curtain Airbags
Infotainment System:
Available with touchscreen navigation, premium audio systems (e.g., Bose).
Connectivity:
May include auxiliary audio input; Bluetooth for hands-free calling was an option.
Parking Assist:
Available rear parking assist sensors.
Remote Start:
Available factory remote start system.
Oil Change Interval:
Every 7,500 miles or 6 months, whichever comes first (using synthetic blend or full synthetic oil).
Engine Air Filter:
Inspect every 15,000 miles, replace as needed (or around 30,000 miles).
Cabin Air Filter:
Replace every 15,000 miles or 12 months.
Transmission Fluid Change:
Recommended every 45,000 to 60,000 miles, especially under severe driving conditions.
Engine Oil:
SAE 5W-30 (API SM or later)
Coolant:
Dex-Cool® (Orange) SAE 50/50 mixture (GM Part No. 12378502 or equivalent)
Transmission Fluid:
Dexron® VI Automatic Transmission Fluid
Common Issues V6:
Intake manifold gasket leaks, oil pressure sensor failures, potential for piston slap on cold starts in some 3.9L V6 engines.
Common Issues V8:
Oil leaks (e.g., valve cover gaskets, rear main seal), occasional catalytic converter issues, power steering pump noise.
General Issues:
Water pump leaks, HVAC blend door actuator failures, sometimes front suspension component wear (e.g., control arms, struts).
Buick Legacy:
Buick is one of America's oldest automotive brands, known for comfort, quietness, and a touch of luxury.
Lucerne Lineage:
The Lucerne replaced the Buick LeSabre and Park Avenue, continuing Buick's tradition of large, comfortable sedans. It was built on the GM G platform.
Production Years:
2006-2011
Manufacturing Location:
Detroit/Hamtramck Assembly, Michigan, USA
