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Buick LaCrosse Complete Workshop Service Repair Manual 2012
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Basic Information Identification Make: Buick Model: LaCrosse Year: 2012 Product Type: Complete Workshop Service Repair Manual Introduction Market Position Segment: Full-size Luxury Sedan Competitive Analysis Key Competitors 2012: Chrysler 300,...
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| Basic Information | |
| Identification | |
| Make: | Buick |
| Model: | LaCrosse |
| Year: | 2012 |
| Product Type: | Complete Workshop Service Repair Manual |
| Introduction | |
| Market Position | |
| Segment: | Full-size Luxury Sedan |
| Competitive Analysis | |
| Key Competitors 2012: | Chrysler 300, Ford Taurus, Toyota Avalon, Hyundai Azera, Lexus ES, Mercedes-Benz E-Class (entry-level variants). |
| Key Features | |
| Interior Comfort: | Spacious cabin, premium materials, quiet ride, advanced climate control. |
| Technology Availability: | Available all-wheel drive (AWD), adaptive cruise control, advanced infotainment system. |
| Engine Options: | Smooth and powerful V6 engines. |
| Manual Details | |
| Coverage Areas | |
| All Models: | True |
| All Engines: | True |
| All Trims: | True |
| All Transmission Types: | True |
| Page Count | |
| Estimated Pages: | Extensive (Detailed procedures A-Z implies several thousand pages in a professional workshop manual format) |
| Manual Type | |
| Type: | Workshop Service Repair Manual |
| Language | |
| Language: | English |
| Format | |
| Format: | Digital Download (PDF) |
| Manual Coverage | |
| Systems Covered | |
| Engine Mechanical: | Engine removal, disassembly, inspection, assembly, installation for all covered engine variants. |
| Engine Performance: | Fuel injection, ignition system, emissions control, cooling system, lubrication system diagnostics and repair. |
| Transmission Automatic: | Automatic transmission removal, overhaul, repair, fluid and filter service, electronic controls. |
| Transmission Manual: | Manual transmission removal, overhaul, repair, fluid service (if applicable to any LaCrosse variants covered). |
| Drivetrain: | Front-wheel drive system, axle shafts, CV joints, differential inspection and service. |
| Brakes: | Hydraulic brake system, disc brake components (pads, rotors, calipers), power assist, ABS, stability control system diagnostics and repair. |
| Steering: | Power steering system (hydraulic or electric), steering gear, tie rods, alignment specifications. |
| Suspension: | Front and rear suspension components, struts, shock absorbers, control arms, bushings, wheel bearings, alignment. |
| Electrical System: | Battery, charging system (alternator), starting system (starter motor), lighting system, wiring diagrams, fuses, relays. |
| Body And Chassis: | Body panel repair, doors, windows, locks, exterior trim, interior trim, sound deadening, structural components. |
| HVAC: | Heating, ventilation, and air conditioning system diagnosis, repair, refrigerant handling, components. |
| Restraints: | Airbag system diagnosis and repair, seatbelt mechanisms. |
| Infotainment: | Radio, navigation, display screens, speaker systems, Bluetooth, USB connectivity diagnostics and repair. |
| Procedures Included | |
| Scheduled Maintenance: | Detailed maintenance schedules and procedures for oil changes, filter replacements, fluid checks, spark plugs, belts. |
| Troubleshooting: | Diagnostic trouble codes (DTCs), symptom-based troubleshooting guides, flowcharts. |
| Repair Procedures: | Step-by-step repair instructions for all major vehicle systems and components. |
| Component Removal Installation: | Detailed instructions for removing and installing virtually every serviceable part. |
| Diagnostic Tests: | Specific tests for electrical circuits, mechanical components, sensors, and actuators. |
| Technical Depth | |
| Depth: | Comprehensive (covers routine maintenance to complete engine/transmission rebuilds and advanced diagnostics). |
| Manual Specifications | |
| File Format | |
| File Type: | |
| Searchability: | Searchable text content |
| Print Quality | |
| Print Capability: | Printable (individual pages or entire manual) |
| Binding Type | |
| Binding: | Not Applicable (Digital Download) |
| Paper Type | |
| Paper Type: | Not Applicable (Digital Download) |
| Engine Specifications | |
| Primary Engine | |
| Engine Code Example 3.6L: | LFX (3.6L V6 DI DOHC) |
| Displacement 3.6L: | 3.6 Liters (217 cu. in.) |
| Horsepower 3.6L: | 280 hp @ 6400 rpm |
| Torque 3.6L: | 264 lb-ft @ 4400 rpm |
| Optional Engine Example 2.4L | |
| Engine Code Example 2.4L: | LE5 (2.4L I4 DOHC) |
| Displacement 2.4L: | 2.4 Liters (145 cu. in.) |
| Horsepower 2.4L: | 182 hp @ 6700 rpm |
| Torque 2.4L: | 172 lb-ft @ 4800 rpm |
| Fuel System | |
| Fuel Delivery: | Sequential Port Fuel Injection (SFI) for 2.4L, Direct Injection (DI) for 3.6L. |
| Recommended Fuel: | Regular unleaded gasoline (87 octane) for 2.4L; Premium unleaded gasoline (91 octane) recommended for 3.6L DI for optimal performance. |
| Engine Features | |
| Valvetrain: | DOHC, 4 valves per cylinder, Variable Valve Timing (VVT) on intake and exhaust for 3.6L LFX. |
| Transmission | |
| Standard | |
| Transmission Type Standard: | 6-speed automatic transmission |
| Optional | |
| Transmission Type Optional: | All-Wheel Drive (AWD) system integrated with 6-speed automatic. |
| Features | |
| Transmission Features: | Driver Shift Control (manual shifting capability). |
| Dimensions | |
| Exterior | |
| Length: | Approx. 201.0 inches (5105 mm) |
| Width: | Approx. 73.1 inches (1857 mm) |
| Height: | Approx. 59.2 inches (1503 mm) |
| Wheelbase | |
| Wheelbase: | Approx. 111.7 inches (2837 mm) |
| Weights | |
| Curb Weight Est FWD: | Approx. 3700-3900 lbs (1680-1770 kg) |
| Curb Weight Est AWD: | Approx. 3900-4100 lbs (1770-1860 kg) |
| Safety Features | |
| Ratings | |
| NHTSA Overall Rating: | 5-Star (for 2012 LaCrosse) |
| Active Features | |
| Active Safety Features: | Anti-lock Braking System (ABS), Traction Control System (TCS), StabiliTrak Electronic Stability Control (ESC), available Adaptive Cruise Control, Forward Collision Alert, Lane Departure Warning. |
| Passive Features | |
| Passive Safety Features: | Front airbags, front side-impact airbags, roof rail airbags, front active head restraints, strong safety cage construction. |
| Technology Features | |
| Infotainment | |
| Infotainment System: | Buick IntelliLink infotainment system available, featuring touchscreen interface, Bluetooth connectivity, USB ports, and optional navigation. |
| Driver Assistance | |
| Driver Assistance Tech: | Available driver assistance features included Adaptive Cruise Control, Forward Collision Alert, and Lane Departure Warning. Rearview camera and park assist sensors were also options. |
| Connectivity | |
| Connectivity Options: | Bluetooth for hands-free calling and audio streaming, USB integration for media playback and device charging. |
| Maintenance | |
| Service Intervals | |
| Oil Change Interval: | Typically every 7,500 miles (12,000 km) or 6 months, or as indicated by the Oil Life Monitoring System (OLMS). |
| Engine Air Filter: | Inspect every 15,000 miles (24,000 km); replace as needed or typically every 30,000 miles (48,000 km). |
| Cabin Air Filter: | Inspect every 15,000 miles (24,000 km); replace as needed or typically every 24,000 miles (38,000 km). |
| Spark Plugs 3.6L Lfx: | Premium iridium spark plugs, typically replaced at 97,000 miles (156,000 km). |
| Fluid Specifications | |
| Engine Oil 3.6L: | SAE 0W-30, Dexos1™ approved synthetic oil. Capacity: Approx. 5.5 quarts (5.2 L) with filter change. |
| Transmission Fluid: | Dexron®-VI Automatic Transmission Fluid. Capacity: Varies by service, consult manual for specific fill levels and procedures. |
| Coolant: | GM Super Coolant (Green), ethylene glycol-based, 50/50 mix with distilled water. Capacity: Approx. 9.5 quarts (9.0 L). |
| Known Issues | |
| Common Issues 2012: | Occasional reports of oil leaks from valve cover gaskets or oil pan seals; potential for water pump leaks; some instances of power steering system issues (especially early electric power steering systems); some transmission solenoid issues. |
| Vehicle History | |
| Brand Heritage | |
| Buick Legacy: | Buick, founded in 1899, has a long history of producing premium and comfortable American automobiles, often associated with refined engineering and a more mature demographic. |
| Model Evolution | |
| Lacrosse Generation 2: | The 2012 LaCrosse is part of the second generation (introduced for 2010), which marked a significant departure from its predecessor, the Buick Lucerne, adopting a more modern, sleeker design and advanced platform (GM Epsilon II). |
| Production | |
| Assembly Location: | Kansas City, Kansas, USA (GM Fairfax Assembly Plant) |
| Awards & Recognition | |
| Recognitions | |
| Jdpower Dependability: | While specific awards vary annually, Buick as a brand has often received recognition for dependability and quality in initial ownership periods from organizations like J.D. Power. |