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2012 BUICK LUCERNE Service And Repair Manual

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🏷️ Basic Information Identification Make: Buick Model: Lucerne Year: 2012 Vehicle Type: Full-size Sedan Generation Generation Code: Second Generation (2006-2011) Codes Platform: GM Epsilon II (shared with Cadillac DTS, Chevrolet...
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2012 BUICK LUCERNE Service And Repair Manual
🏷️ Basic Information
Identification
Make:
Buick
Model:
Lucerne
Year:
2012
Vehicle Type:
Full-size Sedan
Generation
Generation Code:
Second Generation (2006-2011)
Codes
Platform:
GM Epsilon II (shared with Cadillac DTS, Chevrolet Impala)
👋 Introduction
Market Position
Positioning:
Premium full-size sedan offering comfort, luxury, and reliable performance.
Competitive Analysis
Key Competitors:
Ford Taurus, Chrysler 300, Toyota Avalon, Lincoln Town Car (competitors in its market segment)
Key Features
Manual Advantage:
Vehicle-specific, factory-level detail, comprehensive A-Z coverage, digital format for ease of use and printing.
Vehicle Appeal:
Comfortable ride, quiet cabin, spacious interior, smooth powertrain, elegant styling.
Manual Value Proposition
Value:
Empowers owners and technicians with the precise information needed for accurate maintenance and repair, saving time and money.
📋 Manual Details
Coverage Areas
Primary Coverage:
2012 Buick Lucerne (all models and trims)
Secondary Coverage:
Vehicle-specific repair, maintenance, diagnosis, and servicing
Page Count
Estimated Page Count:
Extensive (specific number not provided, but described as comprehensive)
Manual Type
Type:
Service and Repair Manual
Language
Language:
English
Format
Format:
Digital (PDF)
📖 Manual Coverage
Systems Covered
Engine:
Complete engine overhaul, diagnostics, and repair (including lubrication, cooling, fuel, ignition, starting, charging, emission control)
Transmission:
Automatic transmission service, diagnosis, and repair
Drivetrain:
Drive shafts, differential, axles, suspension, steering (including power steering)
Brakes:
Brake system diagnosis, repair, including parking brake and ABS control
Electrical:
Complete electrical system coverage, including wiring schematics, multiplex/CAN communication, battery, starting, charging, lighting, instruments, audio/visual, horns, wipers/washers, power locks
Body:
Exterior and interior components, doors, windows, mirrors, seats, engine hood
Climate Control:
Air conditioning system service and repair
Safety Systems:
Supplemental Restraint System (SRS), seat belts, engine immobilizer, cruise control
Procedures Included
Maintenance:
All scheduled maintenance procedures, fluid checks and changes, filter replacements
Diagnosis:
Step-by-step diagnostic procedures for all systems, troubleshooting common issues
Repair:
Detailed instructions for component replacement, adjustment, and repair across all vehicle systems
Installation:
Installation procedures for various components and accessories
Technical Depth
Depth:
Factory-level detail, suitable for dealership technicians and advanced DIYers
Content Type:
Step-by-step instructions, diagrams, illustrations, wiring schematics, specifications
📊 Manual Specifications
File Format
Format:
PDF
Compatibility:
Windows (Vista 32/64, XP, ME, 98, NT, 2000) and Mac OS
Searchability:
Searchable text content within PDF
Print Quality
Printability:
All pages printable
Image Enhancement:
Ability to blow up images and print enlarged copies
Binding Type
Binding:
Digital (no physical binding)
Paper Type
Paper Type:
N/A (Digital format, print on demand)
Software Requirements
Reader:
Adobe PDF Reader (free online)
Compression:
Winzip (free online for extraction)
⚙️ Engine Specifications
Primary Engine
Engine Option 1:
3.9L V8 (LZ9)
Displacement 1:
3929 cc (239.8 cu in)
Horsepower 1:
233 hp @ 5600 rpm (approx.)
Torque 1:
247 lb-ft @ 4000 rpm (approx.)
Fuel System 1:
Multi-port Fuel Injection (MPFI)
Engine Option 2:
3.6L V6 (LLT - later models, though potentially not standard for 2012 Lucerne, manual should cover both if applicable)
Displacement 2:
3564 cc (217.5 cu in)
Horsepower 2:
275 hp @ 6200 rpm (approx.)
Torque 2:
260 lb-ft @ 3000 rpm (approx.)
Fuel System 2:
Direct Injection (DI), Variable Valve Timing (VVT)
Performance
Engine Management:
GM ECM (Electronic Control Module)
Fuel System
Fuel Type:
Unleaded Gasoline
🔧 Transmission
Standard
Transmission Type:
6-speed automatic (6T70/6T75)
Optional
Optional Transmission:
None for this model year
Features
Transmission Features:
Driver Shift Control (manual shifting capability), electronically controlled, adaptive shift modes.
Fluid Specifications
Transmission Fluid Type:
Dexron VI Automatic Transmission Fluid (ATF)
📐 Dimensions
Exterior
Length:
5179 mm (203.9 in)
Width:
1867 mm (73.5 in)
Height:
1453 mm (57.2 in)
Wheelbase:
2937 mm (115.6 in)
Weights
Curb Weight Est:
1700-1800 kg (3750-4000 lbs) depending on engine and options
Cargo
Trunk Volume Est:
500 L (17.7 cu ft)
🛡️ Safety Features
Ratings
NHTSA Front Crash Rating:
5-star (for driver and passenger)
NHTSA Side Crash Rating:
5-star (for front and rear passengers)
IIHS Top Safety Pick:
Yes (in certain years, manual should detail specific tests for 2012)
Active Features
ABS:
Standard Anti-lock Braking System (ABS)
Traction Control:
Standard Traction Control System (TCS)
Stability Control:
Standard Electronic Stability Control (ESC), GM's StabiliTrak
Passive Features
Airbags:
Frontal airbags (driver/passenger), front side-impact airbags, available rear side-impact airbags and head curtain airbags
Seatbelts:
Three-point seat belts with pretensioners and load limiters
Child Seat Anchors:
LATCH (Lower Anchors and Tethers for CHildren) system
💡 Technology Features
Infotainment
Infotainment System:
Available touchscreen infotainment systems with navigation, Bluetooth connectivity, and premium audio options (e.g., Bose).
Connectivity:
OnStar communications system, USB ports, auxiliary input jack.
Driver Assistance
Parking Assistance:
Rear parking assist sensors (Ultrasonic) were commonly available.
Cruise Control:
Standard cruise control, with potential for adaptive cruise control on higher trims.
Other Tech
Keyless Entry:
Keyless entry system, remote start.
Comfort Features:
Heated and ventilated seats, dual-zone automatic climate control, memory seats.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Refer to manual for specific interval based on oil type and driving conditions (e.g., 7,500 miles or 12 months with synthetic blend).
Tire Rotation Interval:
Every 7,500 miles or as recommended in manual.
Cabin Air Filter:
Replace every 15,000-20,000 miles or as needed.
Coolant Flush:
Refer to manual; typically every 100,000 miles for Dex-Cool coolant.
Fluid Specifications
Engine Oil Type:
GM dexos1 5W-30 (preferred) or SAE 5W-30 synthetic blend
Engine Oil Capacity:
Approx. 5 quarts (4.7 liters) with filter for 3.9L V8; 5.5 quarts (5.2 liters) for 3.6L V6.
Coolant Type:
GM Delco/ACDelco DEX-COOL 50/50 Prediluted or Equivalent
Brake Fluid Type:
DOT 3
Known Issues
Common Complaint 1:
Transmission issues (e.g., rough shifting, solenoids) for the 6T70/75 transmission, especially with higher mileage.
Common Complaint 2:
Water pump leaks or failure on the 3.9L V8 engine.
Common Complaint 3:
Early models may exhibit some electronic component failures or sensor issues.
Common Complaint 4:
Active Suspension System (if equipped) can be costly to repair.
📚 Vehicle History
Brand Heritage
Brand Focus:
Buick is known for its focus on comfort, quietness, and a comfortable ride, often targeting a more mature demographic.
Model Evolution
Lucerne Predecessor:
Replaced the Buick LeSabre and Park Avenue.
Lucerne Positioning:
Served as Buick's flagship sedan for its generation, emphasizing traditional American luxury and comfort.
Production
Production Start Year:
2006
Production End Year:
2011
Manufacturing Location:
Detroit/Hamtramck Assembly, Michigan, USA
Last Model Year:
2011 (The manual covers the 2012 model, implying this is a year extension or a specific market availability, which is unusual as production officially ended in 2011. This detail might need clarification from the manual itself or reflects a common practice of offering manuals slightly past the production end for support.)
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