Vehicle Segment:
Full-size luxury sedan, positioned as a comfortable and refined personal luxury car.
Key Competitors 2006:
Ford Crown Victoria/Grand Marquis, Toyota Avalon, Chrysler 300.
Platform Basis:
Based on GM's G-platform, shared with other GM full-size sedans.
Interior Comfort:
Known for its spacious and quiet interior, comfortable seating, and smooth ride quality.
Powertrain Options:
Offered with V6 and V8 engine options, prioritizing refinement and effortless power delivery.
Target Demographic:
Mature buyers seeking comfort, quietness, and a traditional American luxury car experience.
Primary Coverage:
Complete Workshop Service and Repair
Model Trims Covered:
All Models, Engines, Trim Levels, and Transmission Types
Estimated Page Count:
Varies based on specific content, but comprehensive in nature (typically 1500+ pages for a complete workshop manual).
Type:
Workshop Service Repair Manual
Format:
Downloadable Digital Format (PDF)
Engine Systems:
Engine mechanical, fuel system, ignition system, cooling system, lubrication system, emission control systems, engine diagnostics.
Transmission Systems:
Automatic transmission service, maintenance, diagnostics, and repair.
Drivetrain Systems:
Front-wheel drive components, axles, CV joints, driveshafts.
Suspension Systems:
Front and rear suspension, steering system, power steering, wheel alignment.
Brake Systems:
Front and rear brakes (disc/drum), ABS system, brake hydraulics, parking brake.
Electrical Systems:
Battery, charging system, starting system, lighting, instrumentation, power accessories, body control modules, infotainment system wiring.
HVAC Systems:
Heating, ventilation, and air conditioning (HVAC) system service and repair.
Body And Frame:
Exterior body panels, interior trim, doors, windows, glass, structural components, collision repair procedures (basic).
Maintenance:
Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, tune-ups.
Diagnostics:
Troubleshooting guides, diagnostic trouble codes (DTCs), symptom-based diagnostics.
Repair:
Component removal, installation, and repair for all major systems.
Technical Specifications:
Torque specifications, clearances, electrical schematics, component data.
Rebuilds:
Major component rebuild procedures (e.g., engine, transmission where applicable).
Depth:
Comprehensive: Covers basic maintenance to complex repair and diagnostic procedures. Aimed at professional technicians and advanced DIYers.
Format Details:
Likely PDF, optimized for digital viewing and printing. Searchable text functionality is a strong possibility for digital manuals.
Print Quality Assurance:
High-quality, suitable for professional printing. Includes detailed diagrams and photographic illustrations.
Binding Type Digital:
N/A (Digital format, printable in sections or entirety).
Paper Type Digital:
N/A (Digital format).
Engine Option 1:
3.8L (3800 Series III) V6 OHV (RPO L32)
Engine Option 2:
4.6L Northstar V8 DOHC (RPO LD8/L37)
3.8L V6 Horsepower:
205 hp @ 5200 rpm (approx.)
3.8L V6 Torque:
230 lb-ft @ 4000 rpm (approx.)
4.6L V8 Horsepower:
275-292 hp (depending on variant) @ 5600-6400 rpm (approx.)
4.6L V8 Torque:
295-320 lb-ft @ 4000-4400 rpm (approx.)
Fuel Delivery:
Sequential Electronic Fuel Injection (SFI)
Recommended Fuel:
Unleaded gasoline (Octane rating as specified in owner's manual, typically 87).
Ignition System:
Distributorless Ignition System (DIS) or Coil-on-Plug (COP)
Transmission Type V6:
4-speed automatic (e.g., 4T65-E)
Transmission Type V8:
4-speed automatic (e.g., 4T80-E for Northstar)
Optional Transmission:
N/A (All models were automatic for this year).
Transmission Features:
Driver Shift Control (manumatic shifting capabilities on some trims).
Transmission Fluid Spec 4T65E:
Dexron VI Automatic Transmission Fluid (ATF) or equivalent.
Transmission Fluid Spec 4T80E:
Dexron VI Automatic Transmission Fluid (ATF) or equivalent.
Wheelbase:
116.0 inches (approx.)
Length:
203.4 inches (approx.)
Width:
73.9 inches (approx.)
Height:
58.2 inches (approx.)
Curb Weight:
Approximately 3,700 - 4,000 lbs (varies by engine and trim).
Gross Vehicle Weight Rating Gvwr:
Specific GVWR data available in the manual, typically around 5,000 lbs.
NHTSA Front Impact Driver:
5-Star (for 2006 model year, typical for this class).
NHTSA Front Impact Passenger:
5-Star (for 2006 model year, typical for this class).
NHTSA Side Impact Front Seat:
5-Star (for 2006 model year, typical for this class).
NHTSA Side Impact Rear Seat:
4-Star or 5-Star (depending on specific test and year, typical for this class).
IIHS Moderate Overlap Front:
Good (for 2006 model year, typical for this class).
Traction Control:
Standard on most models.
Anti Lock Braking System ABS:
Standard on all models.
Electronic Stability Control Esc:
Often referred to as StabiliTrak, available on some models/trims.
Airbags:
Frontal airbags, side-impact airbags (often optional or standard depending on trim), available side-curtain airbags.
Audio System Options:
AM/FM stereo with CD player, optional Bose premium audio system, optional in-dash CD changer.
Navigation System:
Optional factory navigation system available.
Parking Assist:
Optional rear parking assist sensors.
Onstar:
Available OnStar safety and communication system.
Heated Cooled Seats:
Available heated and ventilated front seats on higher trims.
Remote Start:
Available remote vehicle starter system.
Oil Change Interval:
Typically every 5,000 to 7,500 miles or 6 months, depending on driving conditions and oil type used (refer to manual for exact recommendation).
Air Filter Replacement:
Recommended every 15,000 to 30,000 miles, or as needed based on inspection.
Spark Plug Replacement V6:
Typically around 100,000 miles for platinum or iridium plugs.
Spark Plug Replacement V8 Northstar:
Can vary significantly; consult manual. Northstar engines often had specific interval recommendations.
Engine Oil Type:
SAE 5W-30 (conventional or synthetic), meeting GM specification (e.g., GM6094M, or Dexos when applicable).
Coolant Type:
GM-specified Dex-Cool (orange-colored) extended life coolant (50/50 mix with distilled water).
Brake Fluid Type:
DOT 3 or DOT 4 (refer to manual for specific requirement).
Power Steering Fluid:
GM Power Steering Fluid or Dexron III/VI ATF.
Intake Manifold Gasket Leaks 3800:
The 3800 Series III V6 can be prone to coolant leaks from the upper intake manifold gaskets.
Northstar Cooling System Issues:
Early Northstar engines had head gasket and coolant passage issues; 2006 models generally had these addressed, but it's a point to be aware of for maintenance.
Suspension Component Wear:
As with many vehicles of this age and weight, front suspension components (ball joints, control arm bushings) can wear over time.
Power Window Regulator Failure:
Common issue across many GM vehicles of this era, power window regulators can fail.
Buick Legacy:
Buick has a long history of producing comfortable, refined, and well-equipped American sedans, often targeting a mature demographic.
Lucerne Predecessor:
The Lucerne replaced the Buick LeSabre and Park Avenue, consolidating Buick's full-size sedan offerings.
Lucerne Generation 1:
The 2006 model year marked the introduction of the first generation of the Buick Lucerne.
Manufacturing Location:
Detroit-Hamtramck Assembly Plant, Michigan, USA (primarily).
Production Span:
2006 - 2011
Consumer Reports Ratings:
Consumer Reports ratings for the 2006 Lucerne were mixed, often citing average predicted reliability for the first year of a new model. Specific ratings should be consulted for detailed information.
Jd Power Awards:
The Lucerne received various J.D. Power awards for initial quality and dependability in its class during its production run. Specific awards for the 2006 model year would be detailed in specialized automotive review databases.
