Positioning:
The Buick LaCrosse (CX9) was positioned as a comfortable and spacious mid-size luxury sedan, competing with established players in the segment.
Competitors:
Key competitors included models like the Toyota Avalon, Ford Five Hundred/Taurus, and Dodge Charger.
Comfort And Amenities:
The LaCrosse emphasized a quiet and refined cabin, comfortable ride quality, and a range of available luxury features.
Value For Money:
Offers a significant cost saving compared to dealer service costs, empowering owners for maintenance and repairs.
User Experience:
Designed for both DIYers and experienced mechanics, with clear instructions, photos, and illustrations.
Covered Years:
2005, 2006, 2007, 2008, 2009
Estimated Page Count:
Thousands (typical for a comprehensive dealer-level manual)
Type:
Factory Service Manual (FSM) / Repair Manual
Engine:
Full coverage including diagnosis, overhaul, and component repair.
Transmission:
Automatic Transmission (e.g., 4T65-E) and Manual Transmission (if applicable) diagnosis, repair, and overhaul.
Brakes:
Hydraulic system, ABS, traction control, parking brake, component replacement and bleeding.
Suspension Steering:
Front and rear suspension, steering system, power steering, alignment specifications.
Electrical:
Comprehensive coverage of starting, charging, lighting, accessories, and body electrical systems.
HVAC:
Air conditioning system diagnosis, repair, refrigerant handling, and climate control.
Body Exterior Interior:
Door mechanisms, glass, mirrors, seats, instrument panel, exterior trim, and body panel repair.
Restraint Systems:
Airbag system diagnosis and service, seat belt mechanisms.
Emission Control:
Component identification, diagnosis, and repair of emission control systems.
Fuel System:
Fuel delivery, injection system, fuel tank, and evaporative emission control.
Multiplex Can Communication:
Diagnosis and troubleshooting of vehicle communication networks (e.g., CAN bus).
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, inspections.
Troubleshooting:
Diagnostic flowcharts, symptom-based troubleshooting for all major systems.
Repair:
Step-by-step repair procedures for virtually all mechanical and electrical components.
Disassembly Assembly:
Complete disassembly and reassembly instructions for major components and assemblies.
Wiring Diagrams:
Detailed electrical wiring diagrams for all vehicle systems.
Depth Level:
Comprehensive, factory-level detail suitable for professional technicians and advanced DIY enthusiasts.
Diagnostic Capability:
Includes diagnostic trouble codes (DTCs), sensor data interpretation, and module programming information.
Engine Options:
3.8L V6 (L36), 3.6L V6 VVT (LY7)
3.8L V6 Horsepower:
205 hp @ 5200 rpm (approx.)
3.8L V6 Torque:
230 lb-ft @ 4000 rpm (approx.)
3.6L V6 Vvt Horsepower:
255 hp @ 6200 rpm (approx.)
3.6L V6 Vvt Torque:
251 lb-ft @ 3000 rpm (approx.)
Fuel Delivery:
Sequential Port Fuel Injection (SFI)
ECU:
GM's Engine Control Module (ECM) with extensive diagnostic capabilities.
Wheelbase:
110.4 inches (2804 mm)
Length:
199.2 inches (5059 mm)
Width:
72.5 inches (1841 mm)
Height:
58.2 inches (1478 mm)
Curb Weight Min:
Approx. 3700 lbs (1678 kg)
Curb Weight Max:
Approx. 3900 lbs (1769 kg)
Gross Vehicle Weight Rating:
Varies by configuration, typically around 4900-5100 lbs
Trunk Volume:
15.0 cubic feet (approx.)
NHTSA Front Impact:
5-star rating for driver and front passenger (2005 model year)
IIHS Side Impact:
Good rating (2005 model year)
ABS:
Standard Anti-lock Braking System (ABS)
Traction Control:
Available Traction Control System (TCS)
Airbags:
Frontal airbags, side-impact airbags, available head curtain airbags.
Seat Belts:
Front seat pretensioners, rear LATCH system.
Infotainment System:
Available premium audio systems (e.g., Bose), CD player, satellite radio readiness.
Cruise Control:
Standard cruise control.
Remote Start:
Available as an option on some trims.
Onstar:
Optional OnStar communication system available.
Oil Change Interval:
Every 3,000-7,500 miles (depending on oil type and driving conditions), consult owner's manual for specific recommendations.
Tire Rotation:
Every 7,500 miles
Engine Oil Type:
SAE 5W-30 (check manual for specific viscosity based on temperature)
Coolant Type:
GM-specific orange coolant (or equivalent Dex-Cool compatible)
Common Problems:
While generally reliable, potential issues can include transmission solenoid issues, power steering leaks, and intake manifold gasket leaks on some engines.
Common Problems Electrical:
Occasional electrical gremlins related to body control modules or sensors.
Buick Legacy:
Buick, established in 1899, is known for its focus on comfort, quietness, and a more mature demographic.
La Crosse Introduction:
The LaCrosse (CX9) replaced the Buick Regal and was introduced for the 2005 model year, built on GM's W-body platform.
Platform Shared:
Shared its platform with other GM vehicles such as the Chevrolet Impala and Monte Carlo.
Manufacturing Location:
Detroit, Michigan, USA