Target Audience:
Full-size sedan buyers prioritizing comfort, quiet ride and traditional American luxury
Segment:
Front-wheel-drive full-size premium sedan
Primary Competitors:
Toyota Avalon, Chrysler 300, Hyundai Azera, Ford Five Hundred
Key Advantage:
Smooth ride quality, available V8 power and relaxed cruising refinement at a mainstream price
Engine Choices:
3.8L V6 or 4.6L Northstar V8
Comfort Feature:
Magnetic Ride Control on CXS/Super
Interior:
Six-passenger seating with front bench option, quiet-tuned cabin
Coverage Areas:
Complete service, diagnostics and repair for the 2008 Buick Lucerne
Manual Type:
Workshop service and repair manual
Format:
Searchable PDF (zoomable, printable, bookmarked chapters)
Delivery Method:
Instant digital download after purchase
Device Compatibility:
Windows PC, Mac, tablets and smartphones
Re-Access:
Download again anytime after purchase
Engine:
3.8L V6 and 4.6L V8 — complete mechanical service and overhaul
Transmission:
Automatic transaxle service and overhaul
Drivetrain:
Front-wheel-drive axle shafts, hubs and bearings
Electrical:
Full wiring diagrams and electrical schematics
Brakes:
Hydraulic, disc, parking brake and ABS diagnostics
Suspension:
Front and rear suspension, Magnetic Ride Control where fitted
Steering:
Hydraulic power steering and column service
HVAC:
Cooling, heating and automatic climate control systems
Fuel System:
Fuel delivery, injection and tank service
Body & Interior:
Panels, trim, glass, seats and interior service
Engine Overhaul:
Complete disassembly, inspection and rebuild procedures
Diagnostics:
Symptom-based troubleshooting with diagnostic flowcharts
Electrical Testing:
Multimeter testing procedures and component verification
Wear Limits:
Allowable tolerances for all components
Torque Data:
Factory torque specifications for all fasteners
Special Tools:
Special service tool numbers with illustrations
Scheduled Maintenance:
Maintenance schedules and service intervals
Parts Information:
Exploded-view diagrams with OEM part numbers
Depth Level:
Factory-level workshop detail for technicians and DIY owners
Illustrations:
Step-by-step procedural diagrams and assembly illustrations
Component Guides:
Component identification and location guides
Wiring Diagrams:
Detailed schematics for all circuits
Searchability:
Fully searchable text
Printing:
Printable pages for workshop use
Navigation:
Bookmarked chapters
File Format:
PDF (searchable, bookmarked, zoomable)
Compatibility:
Windows, macOS, Linux, iOS, and Android — any device with a PDF reader
Requirements:
A PDF reader application (e.g. Adobe Acrobat Reader, free)
Searchability:
Fully text searchable for fast lookup of any topic
Print Quality:
High-resolution digital pages, printable at full clarity
Binding Type:
N/A — digital download, no physical binding
Paper Type:
N/A — digital download, no physical paper
Base Engine:
3.8L 3800 Series III V6
Optional Engine:
4.6L Northstar DOHC V8 (CXS/Super)
Configuration:
90-degree V6 / 32-valve DOHC V8
Fuel System:
Sequential multi-port electronic fuel injection
Fuel Type:
Regular unleaded (V6); premium recommended (V8)
Detailed Specifications:
Refer to manual for complete displacement, compression and tuning data
Standard Transmission:
4-speed automatic transaxle (V6 models)
Optional Transmission:
4-speed automatic transaxle with enhanced calibration (V8 models)
Drivetrain:
Front-wheel drive
Features:
Electronic controls, overdrive top gear, serviceable fluid and filter
Shift Lever:
Floor-mounted console or column shifter depending on trim
Wheelbase:
Approximately 111.7 in
Length:
Approximately 198.0 in
Body Style:
4-door sedan, front-wheel drive
Curb Weight:
Approximately 3,600–3,800 lb depending on engine and trim
Note:
Exact figures vary by trim — see manual for detailed specifications
Airbags:
Dual front, side-impact and head-curtain airbags
Braking:
4-wheel disc ABS with traction control
Stability:
StabiliTrak electronic stability control (available on V8 trims)
Child Safety:
LATCH child seat anchors and rear door child locks
Crash Ratings:
Strong NHTSA side-impact results for the era — see manual for references
Audio System:
AM/FM/CD audio with available Harman Kardon premium sound
Driver Information:
Driver Information Center with trip and vehicle data
Optional Navigation:
Factory touchscreen navigation radio available on upper trims
Convenience:
Remote keyless entry, auto-dimming mirrors
Parking Aid:
Rear parking assist available on select trims
Lighting:
Automatic headlights with delayed exit lighting
Wipers:
RainSense intermittent wipers (available)
Oil Change:
Determined by Oil Life Monitor; typically every 5,000–7,500 miles
Tire Rotation:
Every oil change interval
Air Filter:
Inspect at oil changes; replace as needed
Spark Plugs:
Approximately 100,000 miles (iridium plugs)
Coolant:
Long-life Dex-Cool, approximately 5 years/150,000 miles
Engine Oil:
GM dexos-compatible 5W-30
Transmission Fluid:
Dexron VI automatic transmission fluid
Coolant:
Dex-Cool long-life coolant
Brake Fluid:
DOT 3 brake fluid
Power Steering:
GM power steering fluid
Known Issues / Wear Items
3800 V6:
Intake manifold gasket and upper plenum are known wear areas on this engine family
Front Suspension:
Control arm bushings and sway bar links are common wear items
Wheel Bearings:
Front hub/bearing assemblies can wear with mileage
Brakes:
Standard disc pad and rotor wear; inspect rotors for runout
Manufacturer:
Buick, a General Motors division
Brand Heritage:
Buick's full-size front-wheel-drive sedan line, succeeding the LeSabre
Model Evolution:
Lucerne introduced in 2006 as Buick's flagship sedan; 2008 continued with CX, CXL and CXS trims plus the V8-powered Super
Production Location:
Oshawa, Ontario, Canada (GM Oshawa Car Assembly)
