🏷️ Basic Information

Make:

Buick

Model:

LaCrosse

Year:

2010

Generation:

Second Generation (GMX309)

👋 Introduction

Vehicle Segment:

Full-size/Large Sedan

Target Audience For Manual:

Buick LaCrosse owners seeking to perform their own maintenance and repairs, independent repair shops, automotive enthusiasts.

Competitors Of Vehicle:

Ford Taurus, Toyota Avalon, Chrysler 300, Dodge Charger, Chevrolet Impala, Hyundai Azera.

Feature 1:

Vehicle-specific information, not generic.

Feature 2:

Complete step-by-step instructions, diagrams, illustrations, and wiring schematics.

Feature 3:

Digital format for ease of use, searchability, and selective printing.

Feature 4:

Access to the same information used by dealership technicians.

Benefit 1:

Save money on dealership labor costs by performing DIY repairs.

Benefit 2:

Gain in-depth knowledge of vehicle systems for better understanding and maintenance.

Benefit 3:

Maintain vehicle value through proper, timely servicing.

📋 Manual Details

Primary Coverage:

Maintenance, Service, Diagnosis, and Repair

Models Covered:

All 2010 Buick LaCrosse models

Repair Scope:

A-Z (Comprehensive)

Estimated Page Count:

Likely between 1500-3000 pages, based on typical factory service manuals for a full-size sedan.

Type:

Factory Service Manual (FSM) / Repair Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Powertrain:

Engine mechanical, engine control systems, fuel system, lubrication, cooling system, exhaust system, intake system, ignition system, starting and charging system, automatic transmission, manual transmission (if applicable).

Chassis:

Suspension system (front and rear), steering system (power steering, steering column), brake system (hydraulic, ABS, parking brake), wheels and tires.

Body And Electrical:

Body panels, exterior trim, interior trim, climate control (HVAC), safety restraint systems (SRS, airbags, seat belts), lighting, instrumentation, audio/visual systems, power windows, door locks, cruise control, wipers and washers, horn, glass and mirrors, engine hood, doors, and seats.

Electrical And Electronics:

Complete wiring schematics, multiplex/CAN communication systems, body control modules (BCM), powertrain control modules (PCM), diagnostic trouble codes (DTCs), and electrical component testing.

Maintenance Procedures:

Scheduled maintenance, fluid checks and changes, filter replacements, tune-up procedures.

Repair Procedures:

Step-by-step instructions for component removal, installation, and repair across all vehicle systems.

Diagnostic Procedures:

Troubleshooting guides, symptom-based diagnostics, DTC interpretation and resolution, component testing procedures.

Technical Specifications:

Torque specifications, alignment specifications, fluid types and capacities, gap specifications, resistance values, voltage readings.

Depth:

Factory level detail, suitable for professional technicians and advanced DIYers. Covers everything from basic fluid changes to complex engine and transmission rebuilds, including detailed electrical troubleshooting.

📊 Manual Specifications

Format:

PDF

Compatibility:

Windows (Vista32/64, XP, ME, 98, NT, 2000) and Mac OS

Requirements:

Adobe PDF Reader, Winzip (free downloads available)

Printable:

Yes, all pages are printable.

Image Enhancement:

Images and diagrams can be blown up for enlarged copies.

Binding:

Digital PDF (no physical binding)

Paper Type Equivalent:

N/A (Digital format, user prints on desired paper)

⚙️ Engine Specifications

Engine Options:

The 2010 Buick LaCrosse was available with two primary engine options: a 3.0L V6 and a 3.6L V6.

Engine Code 3.0L:

3.0L LF1 V6

Engine Code 3.6L:

3.6L LY7 V6 (potentially LLT direct injection in later production)

Horsepower 3.0L:

Approximately 255 hp @ 6,300 rpm

Torque 3.0L:

Approximately 217 lb-ft @ 5,100 rpm

Horsepower 3.6L:

Approximately 280 hp @ 6,400 rpm (for LY7)

Torque 3.6L:

Approximately 260 lb-ft @ 5,200 rpm (for LY7)

Fuel Delivery:

Sequential Port Fuel Injection (SFI) for 3.0L, potentially Direct Injection (DI) for 3.6L (LLT variant). The manual will detail specific injection systems.

Fuel Requirement:

Regular Unleaded Gasoline (minimum 87 octane recommended for non-DI engines, premium may be recommended for DI engines).

Oil Type:

Likely SAE 5W-30 Synthetic Oil (e.g., GM dexos1™ or equivalent, consult manual for exact specification).

Coolant Type:

GM specified engine coolant (typically a long-life, orange or pink silicate-free coolant, consult manual for exact specification).

🔧 Transmission

Transmission Type:

6-Speed Automatic Transmission (RPO code MH7 for 3.0L and 3.6L LY7, potentially 6T70/75 family).

Optional Transmission Type:

No manual transmission option was offered for the 2010 Buick LaCrosse.

Transmission Features:

Driver Shift Control (manual shifting capability via paddle shifters or gear selector), adaptive shift control based on driving style and conditions.

Transmission Fluid Type:

Dexron VI (or equivalent GM-approved fluid). The manual will provide exact specifications and capacity.

📐 Dimensions

Length:

Approximately 196.9 inches

Width:

Approximately 73.7 inches

Height:

Approximately 59.2 inches

Wheelbase:

Approximately 112.2 inches

Front Headroom:

Approximately 38.8 inches

Rear Headroom:

Approximately 37.4 inches

Front Legroom:

Approximately 42.4 inches

Rear Legroom:

Approximately 39.7 inches

Trunk Capacity:

Approximately 15.0 cubic feet

Curb Weight:

Approximately 3,700 - 4,000 lbs, depending on engine and options.

🛡️ Safety Features

NHTSA Front Crash Test Rating:

5-star (driver and passenger), based on historical data for this model generation.

IIHS Top Safety Pick:

Likely achieved 'Good' ratings in key IIHS tests for this era, confirming its safety credentials.

Active Safety Features:

Anti-lock Braking System (ABS), Traction Control System (TCS), StabiliTrak Electronic Stability Control (ESC).

Passive Safety Features:

Front airbags, front side-impact airbags, side-curtain airbags, active head restraints, front and rear crumple zones.

Srs System Coverage:

Comprehensive coverage of the Supplemental Restraint System, including airbag deployment, seat belt pretensioners, and occupant sensing systems.

💡 Technology Features

Infotainment System:

The 2010 LaCrosse offered the IntelliLink infotainment system (or an earlier iteration), often featuring a color touchscreen, AM/FM/CD/MP3 player, auxiliary input, and available navigation and Bluetooth connectivity.

Driver Assistance Features:

Available features could include a rearview camera, parking assist sensors, blind-spot monitoring, and adaptive cruise control depending on the trim level. The manual will detail operation and maintenance of these systems.

Connectivity Options:

Bluetooth for hands-free calling and audio streaming, USB ports, auxiliary audio input.

Electrical Architecture:

Features a complex electrical system with multiple control modules (ECMs, TCMs, BCMs, etc.) communicating via a CAN (Controller Area Network) bus. The wiring schematics in the manual are crucial for diagnosing electrical issues.

🔧 Maintenance

Oil Change Interval:

Typically every 7,500-10,000 miles or 6-12 months with synthetic oil, depending on driving conditions. The manual will provide specific intervals based on oil life monitoring systems or mileage/time.

Tire Rotation Interval:

Recommended every 7,500 miles or with every oil change to ensure even tire wear.

Transmission Fluid Change Interval:

Often specified as 'lifetime' by manufacturers, but recommended every 50,000-100,000 miles for optimal transmission longevity. Consult the manual for specific guidelines.

Coolant Flush Interval:

Typically around 100,000 miles for long-life coolants, or as specified by the manual. The manual will detail the exact procedure and interval.

Power Steering Fluid:

GM Power Steering Fluid. The manual will list the exact P/N. Electric power steering systems may not have a traditional fluid.

Brake Fluid:

DOT 3 or DOT 4 Universal Synthetic Brake Fluid. The manual will specify the exact type and any performance requirements.

Common Issues Potential:

Potential issues for this generation might include water pump leaks (especially on the 3.6L DI engine), ignition coil failures, various sensor failures (e.g., camshaft/crankshaft position sensors), and issues related to the infotainment system or electronics. The manual will provide diagnostic steps for these and many other potential problems.

Oil Filter Part Number:

Likely AC Delco PF48/PF64 or equivalent. The manual will confirm the correct part number for each engine.

📚 Vehicle History

Buick Heritage:

Buick, a division of General Motors, has a long history dating back to 1899, known for its comfortable, well-appointed, and often quiet vehicles, bridging the gap between mainstream and luxury brands.

Lacrosse Evolution:

The 2010 LaCrosse represents the second generation of the model, a significant redesign from the previous generation (GM300 platform). It moved to the Epsilon II platform (shared with Opel Insignia), offering improved driving dynamics, updated styling, and more modern technology.

Production Plant:

Kansas City Assembly, Kansas City, Missouri, USA.

Production Years For Gen 2:

2010-2016 (North American market).

🏆 Awards & Recognition

Awards Or Recognitions:

While specific awards for the 2010 model year are not prominently recalled, the second-generation LaCrosse was generally well-received for its comfortable ride, quiet cabin, and upscale interior, aiming to compete with established luxury sedans. It was often noted for its value proposition compared to European luxury competitors.