Segment:
Full-size luxury sedan
Target Audience:
Owners seeking to perform their own maintenance and repairs, independent repair shops, automotive enthusiasts.
Competitors:
Chrysler 300, Dodge Charger, Ford Crown Victoria, Chevrolet Impala.
Manual Advantage:
Vehicle-specific, factory-authored content, comprehensive coverage, digital format benefits (searchable, printable).
Vehicle Advantage:
Comfortable ride, spacious interior, available powerful V8 engine (Northstar), long wheelbase for stability.
Covered Models:
All 2006 Buick Lucerne models (e.g., CX, CXL, Super)
Repair Scope:
A-Z, from routine maintenance to complete repairs and diagnostics.
Estimated Pages:
Likely exceeds 1500 pages based on typical factory service manuals for this era and vehicle complexity.
Type:
Factory Service and Repair Manual
Powertrain:
Engine (3.8L V6, 4.6L Northstar V8), Automatic Transmission (4T65-E, 6T80)
Chassis:
Suspension (front MacPherson strut, rear multi-link), Brakes (front/rear discs, ABS, EBD), Steering (rack-and-pinion, power assist)
Electrical:
Full electrical schematics, wiring diagrams, multiplex/CAN communication systems, lighting, instrumentation, audio/visual systems, power accessories.
Comfort And Convenience:
Climate control (HVAC), power seats, door locks, cruise control, wipers and washers, airbags (Supplemental Restraint System), interior trim, exterior panels.
Diagnostics:
Troubleshooting guides, diagnostic trouble codes (DTCs), diagnostic procedures for all major systems.
Repair:
Step-by-step repair procedures for all mechanical, electrical, and body components.
Maintenance:
Routine maintenance schedules, fluid checks and changes, filter replacements, inspection points.
Specifications:
Torque specifications, clearance measurements, diagnostic parameters, fluid types and capacities, electrical specifications.
Depth:
Factory-level detail including component removal/installation, assembly/disassembly, system operation, and advanced troubleshooting.
Compatibility:
Windows (Vista 32/64, XP, ME, 98, NT, 2000) and Mac compatible.
Printability:
Fully printable, allowing users to print specific pages or diagrams as needed.
Image Enhancement:
Allows for zooming and printing enlarged images/diagrams.
Binding:
N/A (Digital PDF)
Transmission Type:
4-speed automatic (4T65-E)
Transmission Features:
Electronically controlled, Driver Shift Control (Tap-Up/Tap-Down functionality on higher trims).
Transmission Type V8:
4-speed automatic (4T65-E HD) for V8 models, potentially 6-speed 6T80 on Super models depending on production date.
Transmission Fluid Spec:
Dexron VI Automatic Transmission Fluid (ATF)
NHTSA Front Impact:
5-star driver and passenger (for most configurations tested)
NHTSA Side Impact:
4-star front and rear passenger (for most configurations tested)
IIHS Moderate Overlap Front:
Good (for most configurations tested)
ABS:
Standard Anti-lock Braking System (ABS)
Traction Control:
Standard Traction Control System (TCS)
Electronic Stability:
Available StabiliTrak (GM's Electronic Stability Control system)
Airbags:
Standard front airbags, optional side-impact airbags.
Seatbelts:
3-point seat belts with pretensioners.
Audio System:
Available Bose premium audio system, CD player, AM/FM radio.
Navigation:
Optional in-dash navigation system.
Parking Assist:
Available rear parking assist sensors.
Lighting:
Automatic headlights, fog lamps.
Onstar:
Available OnStar communication system (standard on certain trims).
Oil Change Interval:
Every 7,500 miles (12,000 km) or 6 months, whichever comes first (with synthetic oil recommended).
Tire Rotation:
Every 7,500 miles (12,000 km)
Air Filter Replacement:
Every 45,000 miles (72,000 km) or as needed.
Spark Plug Replacement V6:
Approximately 100,000 miles (160,000 km) (for original iridium plugs).
Spark Plug Replacement V8:
Approximately 100,000 miles (160,000 km) (for original iridium plugs).
Engine Oil Spec:
SAE 5W-30 (Dexos1 Gen 2 or equivalent is often a good choice for modern replacements, check manual for exact spec)
Coolant Spec:
GM specified Orange coolant (Dex-Cool)
Common Problem 1:
Transmission issues, particularly with the 4T65-E (e.g., harsh shifting, solenoid issues).
Common Problem 2:
Northstar V8 engine: head gasket leaks, oil leaks, timing chain guide wear.
Common Problem 3:
Power steering leaks or pump noise.
Common Problem 4:
Heater core leaks, particularly common in GM vehicles of this era.
Brand Legacy:
Buick is one of America's oldest automotive brands, known for comfortable, quiet, and well-appointed vehicles.
Lucerne Predecessor:
Replaced the Buick LeSabre and Park Avenue.
Platform Shared:
Based on the front-wheel-drive GM Epsilon platform, sharing components with Cadillac DTS.
Production Years:
2006-2011
Manufacturing Location:
Detroit/Hamtramck Assembly Plant, Michigan, USA
Initial Reception:
Generally praised for its comfortable ride and quiet cabin, but criticized for some interior materials and driving dynamics compared to luxury imports.
Consumer Reports:
Varied reliability ratings; often flagged for transmission and engine issues, particularly with the Northstar V8.
Certification Notes:
The manual itself is not certified but represents factory-level technical documentation.
