Vehicle Segment:
Full-size luxury sedan
Target Audience:
Consumers seeking comfortable, spacious, and well-equipped American luxury sedans. Also appealing to DIY enthusiasts and independent repair shops.
Key Competitors:
Ford Five Hundred/Taurus, Chrysler 300, Toyota Avalon, Lincoln Town Car
Dealer Quality:
Officially licensed and derived from OE (Original Equipment) materials, ensuring factory-level accuracy and completeness
Convenience:
Instant online access, eliminating the need for physical manuals and offering superior searchability
Cost Savings:
Empowers owners to perform DIY repairs and maintenance, significantly reducing labor costs associated with dealership or independent shop visits
Manual Type:
Service and Repair Manual Software
Model Coverage:
2007 Buick Lucerne, all trims and engine options
Content:
Complete systems coverage: engine, transmission, brakes, suspension, electrical, HVAC, body, and diagnostics
File Format:
PDF Download (Licensed Digital Access)
Delivery Method:
Instant digital download after purchase
Access Duration:
1 Year (with option for renewal)
Device Compatibility:
PC, laptop, smartphone, and tablet via web browser
Engine Mechanical:
Detailed diagnosis, repair, and overhaul procedures for all powertrain components, including engine assembly, cylinder head, valvetrain, crankshaft, pistons, connecting rods, lubrication system, cooling system
Engine Performance:
Fuel system diagnostics and repair (injection, fuel pump, pressure regulator), ignition system service (coils, spark plugs, sensors), emissions control systems (catalytic converter, O2 sensors, EVAP)
Transmission / Powertrain:
Service and repair for 4T65-E and 4T80-E automatic transmissions, including fluid changes, seal replacement, clutch pack servicing, torque converter, valve body diagnostics
Drivetrain / Axles:
Front-wheel drive axle shaft inspection, replacement, and boot repair; differential service for applicable powertrain configurations
Suspension / Steering:
Front and rear suspension components (struts, springs, control arms, ball joints, bushings), steering system (rack and pinion, power steering pump, tie rods), alignment specifications
Brakes:
Front and rear disc brake service, rotor and pad replacement, caliper service, brake fluid flush and bleeding, ABS diagnostics and component testing
Electrical / Lighting:
Comprehensive wiring diagrams, fuse and relay identification and testing, lighting repair, bulb replacement, electrical fault diagnostics
Body / Chassis:
Body panel repair, door mechanisms, glass replacement, bumper service, chassis lubrication points, rust prevention
HVAC:
System diagnosis, refrigerant handling and recharge, compressor, evaporator, condenser service, blower motor, climate control module diagnostics
Maintenance:
Scheduled maintenance intervals, oil changes, filter replacements, fluid checks and top-offs, tire rotation, spark plug replacement, battery maintenance
Troubleshooting:
Diagnostic flowcharts, common fault identification, step-by-step troubleshooting guides for various systems and symptoms, error code interpretation
Repair / Rebuild:
Complete disassembly and reassembly instructions for all major components, including engine rebuild, transmission overhaul, brake caliper rebuild, power steering rack replacement
Diagnostics:
OBD-II system information, scan tool usage, DTC retrieval and interpretation, sensor testing, module programming and relearning procedures
Wiring Diagrams:
Detailed, system-specific wiring diagrams for all electrical circuits, including power distribution, grounds, control modules, and sensor connections
Level Of Detail:
Factory-level diagnostic and repair procedures, including detailed specifications, tolerances, torque values, special tool requirements, and component identification
Parts Information:
Component identification, part numbering references, and torque specifications throughout all procedures
Special Tools:
Special tool requirements identified for procedures requiring dedicated equipment
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
Engine:
3.8L V6 (L26) Series II
Displacement:
3800 cc / 230.5 cubic inches
Configuration:
Naturally aspirated, Overhead Valve (OHV), 90-degree V-angle
Horsepower:
205 hp @ 5200 rpm
Torque:
230 lb-ft @ 4000 rpm
Fuel System:
Sequential Fuel Injection (SFI), Electronic Throttle Control (ETC)
Bore X Stroke:
3.80 in x 3.39 in (96.5 mm x 86.0 mm)
Engine:
3.6L V6 (LY7) High Feature V6
Displacement:
3564 cc / 217.5 cubic inches
Configuration:
Naturally aspirated, DOHC, 4 valves per cylinder, 90-degree V-angle
Horsepower:
233 hp @ 6000 rpm
Torque:
247 lb-ft @ 4400 rpm
Fuel System:
Sequential fuel injection (SFI)
Bore X Stroke:
3.70 in x 3.39 in (94.0 mm x 85.6 mm)
Compression Ratio:
10.0:1
NHTSA Frontal Driver:
5 Stars
NHTSA Frontal Passenger:
N/A - not specified in available records
NHTSA Side Ratings:
N/A - not specified in available records
IIHS Front Small Overlap:
N/A - test not conducted for this era
IIHS Side:
N/A - not specified in available records
ABS:
Standard Anti-lock Braking System (ABS)
Traction Control:
Standard Traction Control System (TCS)
Stability Control:
Standard StabiliTrak Electronic Stability Control (ESC)
Airbags:
Frontal airbags, front side-impact airbags, full-length side curtain airbags
Seatbelts:
3-point seatbelts with pretensioners and load limiters
Oil Change Interval:
Every 7,500 miles or 12 months, using synthetic oil
Engine Air Filter:
Inspect every 7,500 miles; replace as needed or every 30,000 miles
Cabin Air Filter:
Inspect every 15,000 miles; replace as needed or every 30,000 miles
Spark Plugs 3.8L:
Replace at 100,000 miles (typically iridium-tipped)
Spark Plugs 3.6L:
N/A - consult manual for the 3.6L interval
Transmission Fluid Flush:
Replace fluid and filter every 60,000 to 100,000 miles (based on driving conditions)
Coolant Flush:
Replace coolant every 5 years or 100,000 miles
Engine Oil 3.8L:
SAE 5W-30 synthetic, API certified (GM recommends dexos or equivalent)
Engine Oil 3.6L:
SAE 5W-30 synthetic, API certified (GM recommends dexos or equivalent)
Transmission Fluid:
Dexron VI Automatic Transmission Fluid
Coolant:
Dex-Cool (orange silicate-free antifreeze/coolant)
Power Steering Fluid:
GM Power Steering Fluid (or equivalent)
Known Issues / Common Wear
Engine Mounts:
Premature failure of engine mounts, particularly on the 3.8L, leading to vibrations and noise
Transmission Hard Shifts:
Some instances of hard shifting or slippage, often related to TCM software updates or solenoid issues
ABS Wheel Speed Sensors:
Sensor failure can trigger ABS, Traction Control, and StabiliTrak warning lights
Power Steering Leaks:
Leaks from the power steering system, often at the pump or rack seals
Heater Core Leaks:
Some models may experience heater core leaks, causing coolant loss and a sweet smell in the cabin
Buick Legacy:
Buick, founded in 1899, is one of the oldest American automotive brands, historically associated with comfort, quietness, and dignified styling
Lucerne Introduction:
The Buick Lucerne debuted for the 2006 model year, succeeding the LeSabre and Park Avenue, blending traditional Buick comfort with updated styling and technology
2007 Updates:
Minor refinements including package updates and slight revisions to available features; core mechanicals and styling largely consistent with the inaugural year
Assembly Location:
Detroit-Hamtramck Assembly Plant, Hamtramck, Michigan, USA
Production Span:
2006-2011