Manual Coverage
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Systems Covered
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Engine:
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Engine mechanical, engine performance, lubrication, cooling, fuel, ignition, emissions control, starting & charging.
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Transmission:
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Automatic transmission (e.g., 6T70/75) service, diagnostics, and repair, including hydraulics, electronics, and torque converter.
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Brakes:
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Hydraulic brake system, ABS, EBD, traction control, service, diagnostics, bleeding procedures, component replacement.
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Steering:
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Power steering system, steering column, steering gear/rack and pinion, alignment procedures, diagnostics.
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Suspension:
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Front and rear suspension components, struts, shock absorbers, control arms, bushings, wheel bearings, alignment specifications.
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Electrical:
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Battery, charging system, starting system, lighting, instrument cluster, body control modules (BCM), comfort and convenience features, power distribution.
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HVAC:
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Heating, ventilation, and air conditioning system, refrigerant handling, diagnostics, component replacement, climate control.
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Body:
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Exterior body panels, doors, hood, trunk, glass, seals, interior trim, body hardware, chassis corrosion.
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Safety Systems:
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Airbag system (SRS), seat belts, pre-tensioners, occupant detection, diagnostics and service.
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Infotainment:
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Radio, navigation, entertainment systems, audio components, diagnostics and repair.
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Procedures Included
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Maintenance:
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Oil change, filter replacement, fluid checks and top-offs, tire rotation, brake inspection, spark plug replacement, belt replacement.
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Diagnostics:
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Troubleshooting guides, diagnostic trouble codes (DTCs), symptom-based diagnostics, component testing, electrical schematics.
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Repair:
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Step-by-step repair procedures for all major vehicle systems, including engine teardown and reassembly, transmission overhaul, suspension component replacement, brake caliper replacement, sensor replacement.
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Installation:
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Installation procedures for various components and accessories.
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Technical Depth
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Depth:
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Comprehensive, covering everything from basic preventative maintenance to complex diagnostic and repair procedures, including detailed torque specifications, assembly sequences, and wiring diagrams.
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Maintenance
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Service Intervals
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Oil Change Interval:
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Typically every 7,500 miles or 6 months, or as indicated by the Oil Life Monitoring System.
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Tire Rotation Interval:
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Every 7,500 miles.
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Air Filter Replacement:
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Every 45,000 miles, or as needed based on driving conditions.
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Spark Plug Replacement:
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For direct-injection engines (LLT), typically around 100,000 miles. Check manual for exact specification.
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Fluid Specifications
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Engine Oil Type:
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SAE 0W-30 Dexos1 Synthetic recommended (verify with owner's manual for specific engine).
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Engine Oil Capacity:
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Approximately 5.5 quarts (5.2 liters) with filter change (verify with owner's manual).
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Transmission Fluid Type:
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Dexron-VI Automatic Transmission Fluid (ATF) - Check manual for correct fluid and procedure.
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Coolant Type:
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GM Super Coolant (Orange, silicate-free, extended-life).
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Brake Fluid Type:
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DOT 3 or DOT 4 brake fluid.
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Known Issues
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Engine Oil Consumption:
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Some direct-injection engines of this era experienced higher oil consumption, often related to piston ring design or PCV system. The manual will detail diagnosis and potential fixes.
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Transmission Shifts:
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Occasional reports of harsh shifting or delayed engagement; manual provides diagnostic procedures for valve body and solenoid issues.
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Water Pump Leaks:
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Early models and specific engine variants could be prone to water pump leaks; manual covers replacement procedures and diagnostics.
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Vehicle History
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Brand Heritage
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Buick Legacy:
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Buick, founded in 1899, is one of America's oldest automotive brands, known for its emphasis on comfort, quietness, and premium features.
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Model Evolution
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Lacrosse Introduction:
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The LaCrosse nameplate was introduced in North America for the 2005 model year, replacing the Buick LeSabre. The 2010 model year represents the second generation of the LaCrosse, built on the global Epsilon II platform.
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Second Generation Changes:
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The 2010 LaCrosse underwent a significant redesign, moving from a more traditional large sedan to a more contemporary, European-influenced design language, reflecting Buick's global product strategy.
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Production
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Manufacturing Location:
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Kansas City, Kansas, USA (GM Fairfax Assembly Plant)
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