The 2007 Buick Lucerne is a full-size luxury sedan designed for comfort and refinement, succeeding the LeSabre and Park Avenue models. Built on the GM G platform, shared with the Cadillac DTS, it offered a choice between a 3.8L V6 engine producing approximately 205 hp and a 4.6L V8 Northstar engine ranging from 275 to 292 hp, both paired with automatic transmissions. Known for its quiet ride and comfortable interior, the Lucerne was manufactured at the Detroit-Hamtramck Assembly Plant in Michigan. It featured standard safety equipment such as anti-lock brakes and traction control, with available stability control and side airbags, earning high ratings from NHTSA and IIHS.
This factory service repair manual provides comprehensive coverage for the 2007 Buick Lucerne, detailing service, repair, and troubleshooting procedures for all major vehicle systems, including the engine, transmission, brakes, electrical systems, chassis, body, and climate control. It includes in-depth maintenance schedules, diagnostic guides, and technical specifications, offering factory-level data for technicians, mechanics, and DIY enthusiasts. The manual is presented in English and is designed to assist in the proper maintenance and repair of the vehicle, ensuring its optimal performance and longevity.
Vehicle Body Style:
Full-size Sedan
Segment:
Full-size Luxury Sedan
Target Audience:
Technicians, mechanics, and DIY enthusiasts seeking detailed repair and maintenance information.
Competitors 2007:
Chrysler 300, Dodge Charger, Ford Crown Victoria, Mercury Grand Marquis, Cadillac DTS, Lincoln Town Car.
Manual Value Proposition:
Comprehensive, factory-quality information at a low price with instant access.
Unique Selling Points:
Low price, great quality, instant access, direct support for concerns.
Coverage Scope:
Comprehensive service, repair, and troubleshooting for the 2007 Buick Lucerne.
Estimated Pages:
Hundreds or thousands (exact count not specified, but implies extensive detail).
Type:
Factory Service Repair Manual
Format:
PDF (potentially requiring unzipping for larger files)
Engine:
Engine service and repair, fuel injection, fuel system, cooling system, emission system, engine control system.
Transmission:
Transmission service and repair, differential, drive axle.
Electrical:
Electrical system, wiring diagrams, engine control system.
Chassis Body:
Chassis/body, suspension, steering, interior, restraing system.
Comfort Climate:
Heater/Air Conditioner.
Maintenance:
General maintenance, periodic lubrication, troubleshooting.
Diagnostic:
Troubleshooting guides and technical data for diagnosing issues.
Repair:
Detailed repair procedures for all major vehicle systems.
Maintenance:
Scheduled maintenance tasks, lubrication points, and fluid recommendations.
Depth:
Factory-level technical data, including circuits, diagrams, and equipment information.
Compatibility:
All Versions of Windows & Mac
Requirements:
Adobe PDF Reader & WinZip
Quality:
Great quality, printable pages.
Binding:
Digital Download (Printable)
Paper:
N/A (Digital Format)
Engine Options:
3.8L V6 (L32) and 4.6L V8 (Northstar, LD8/L37).
3.8L V6 Horsepower:
Approximately 205 hp @ 5200 rpm
3.8L V6 Torque:
Approximately 230 lb-ft @ 4000 rpm
4.6L V8 Northstar Horsepower:
Approximately 275-292 hp @ 5600-6000 rpm (depending on specific Northstar variant)
4.6L V8 Northstar Torque:
Approximately 290-315 lb-ft @ 4000-4400 rpm (depending on specific Northstar variant)
Fuel Delivery:
Sequential Fuel Injection (SFI)
Fuel Type:
Regular Unleaded Gasoline (87 octane recommended)
Coolant Type:
Dex-Cool (GM P/N 12378560 or equivalent extended life coolant)
Transmission Type 3.8L:
4-Speed Automatic (4T65-E)
Transmission Type 4.6L:
4-Speed Automatic (4T80-E) with performance shift modes
Transmission Fluid Type:
Dexron VI Automatic Transmission Fluid (ATF) (GM P/N 88862422 or equivalent)
Length:
Approximately 203.0 inches
Width:
Approximately 73.6 inches
Height:
Approximately 58.2 inches
Wheelbase:
Approximately 115.1 inches
Curb Weight 3.8L:
Approximately 3,700 - 3,800 lbs
Curb Weight 4.6L:
Approximately 3,900 - 4,000 lbs
Gross Vehicle Weight Rating Gvw:
Typically around 5,000 - 5,200 lbs
NHTSA Front Impact Driver:
5-Star
NHTSA Front Impact Passenger:
5-Star
NHTSA Side Impact Front Seat:
5-Star
NHTSA Side Impact Rear Seat:
5-Star
IIHS Moderate Overlap Frontal Offset:
Good
ABS:
Standard Anti-lock Braking System (ABS)
Traction Control:
Standard Traction Control System (TCS)
Stability Control:
Available StabiliTrak Electronic Stability Control
Airbags Front:
Driver and front passenger airbags
Airbags Side:
Available front and rear side-curtain airbags, optional side-impact airbags
Seatbelts:
Three-point seatbelts with pretensioners and load limiters
Infotainment System:
Available Bose premium audio system, OnStar communication system, optional in-dash CD player/changer.
Parking Assist:
Available Rear Park Assist (Ultrasonic)
Lighting:
Standard Halogen headlights, optional High-Intensity Discharge (HID) headlights, automatic headlamp control.
Onstar:
Standard OnStar telematics system with features like emergency assistance, remote diagnostics, and turn-by-turn navigation.
Oil Change Interval Synthetic:
Every 7,500 to 10,000 miles or 12 months with synthetic oil, or as indicated by the Oil Life Monitoring System.
Tire Rotation Interval:
Every 7,500 miles
Engine Air Filter Replacement:
Approximately every 30,000 miles or as needed based on driving conditions.
Cabin Air Filter Replacement:
Approximately every 15,000 miles or annually.
Engine Oil Viscosity:
SAE 5W-30 (for both 3.8L V6 and 4.6L V8, consult manual for specific conditions)
Engine Oil Capacity:
Approximately 4.5 quarts (3.8L V6), 5.0 quarts (4.6L V8) with filter change (refer to manual for exact capacity).
Common Complaints 3.8L V6:
Intake manifold gasket leaks, torque converter shudder, power steering leaks, intermittent check engine lights.
Common Complaints 4.6L V8 Northstar:
Coolant leaks (especially lower intake manifold gaskets), ignition coil failure, oil filter housing leaks, starter issues.
Suspension Issues:
Worn strut mounts, tie rod ends, and ball joints can lead to premature tire wear and steering looseness.
Electrical Issues:
Infotainment system glitches, power window motor failures, intermittent dash warning lights.
Buick Heritage:
Buick, founded in 1899, is one of America's oldest automotive brands, known for its focus on comfortable, quiet, and refined vehicles with a touch of luxury.
Lucerne Lineage:
The Lucerne succeeded the Buick LeSabre and Park Avenue, bridging the gap between mainstream and premium Buick offerings. It was built on the GM G platform (same as Cadillac DTS).
Manufacturing Location:
Detroit-Hamtramck Assembly Plant, Michigan, USA.
Production Years:
2006-2011
Jd Power Ratings 2007:
JD Power and Associates often rated the Lucerne favorably for its quiet ride and comfortable interior in its segment.
Safety Awards:
Achieved high safety ratings from NHTSA and IIHS, as detailed in the 'safety' section.
