Target Audience:
DIY enthusiasts, independent repair shops, vehicle owners seeking to understand their vehicle's maintenance and repair.
Vs Printed Manuals:
Offers superior convenience, faster access, and potentially lower cost compared to traditional printed manuals.
Vs Generic Manuals:
Officially licensed and OE material derived, ensuring accuracy and completeness over generic guides.
Accuracy And Licensing:
Licensed information derived from OE (Original Equipment) materials ensures authoritative content.
Convenience:
Instant online access from any internet-enabled device, eliminating the need for physical storage or shipping delays.
Cost Savings:
Empowers users to perform their own maintenance and repairs, leading to significant savings on labor costs.
Comprehensiveness:
Covers all major systems and repair procedures necessary for the vehicle's lifecycle.
Overall Scope:
Comprehensive service and repair information for the 2007 Buick LaCrosse.
Specific Coverage:
Brakes, suspension, steering, engine, drivetrain, wiring, HVAC, bodywork, interior.
Estimated Pages:
Extensive, equivalent to a factory service manual; precise number not specified, but 'all the service and repair information' implies thousands of pages.
Manual Classification:
Service and Repair Manual
Format:
PDF Download (Web-based access via browser)
Access Method:
Internet connection and web browser required
Device Compatibility:
PC, laptop, smartphone, tablet
Subscription Period:
1 Year (with discounts for renewal)
Engine Management:
Engine diagnostics, repair procedures, component testing, timing, cooling system, lubrication system.
Drivetrain:
Front-wheel drive (FWD), axle shafts, seals, differential, transaxle repair.
Braking System:
Front and rear brake component replacement (pads, rotors, calipers), hydraulic system service, ABS diagnosis and repair.
Suspension Steering:
Front and rear suspension components (struts, shocks, control arms, bushings), steering rack, power steering system, wheel alignment specifications.
Electrical System:
Wiring diagrams, circuit protection (fuses, relays), starter, alternator, battery, lighting systems, power windows, door locks, comfort features.
HVAC System:
Heating, ventilation, air conditioning (HVAC) system diagnostics, refrigerant handling, compressor, evaporator, heater core service.
Body And Frame:
Body panel repair, door mechanisms, glass replacement, structural information.
Interior:
Seating, trim panels, dashboard components, airbag system service (with safety precautions).
Maintenance Procedures:
Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspection and replacement.
Diagnostic Procedures:
Troubleshooting guides, symptom-based diagnostics, use of diagnostic scan tools, reading fault codes (DTCs).
Repair Procedures:
Step-by-step instructions for component removal, replacement, and reassembly for all major systems.
Special Procedures:
Component calibration, relearn procedures (e.g., throttle body, steering angle sensor), fuel system pressure testing.
Depth Of Information:
Factory-level detail, suitable for DIYers and professional technicians.
Diagnostic Tools Mentioned:
Likely references the use of GM's MDI (Multiple Diagnostic Interface) or equivalent OBD-II scan tools.
Engine Options:
Likely covers the 3.5L V6 (LX9) and potentially the 3.8L V6 (L32) for the 2007 model year. The 3.5L V6 is the more common option for the LaCrosse in this generation.
3.5L V6 Displacement:
3.5 Liters (213 cubic inches)
3.8L V6 Displacement:
3.8 Liters (231 cubic inches)
3.5L V6 Horsepower:
Approximately 200-215 hp @ 5600 rpm (depending on specific tuning and model year nuances).
3.5L V6 Torque:
Approximately 220-225 lb-ft @ 4000 rpm.
3.8L V6 Horsepower:
Approximately 195-205 hp @ 5200 rpm.
3.8L V6 Torque:
Approximately 225-230 lb-ft @ 4000 rpm.
Fuel Delivery:
Sequential Multi-Port Fuel Injection (MPFI)
Fuel Type:
Unleaded Regular Unleaded Gasoline (87 Octane)
Timing System:
Timing chain driven overhead valves (OHV) for both V6 engines.
Standard Transmission:
4-speed automatic transmission (4T65-E)
Optional Transmission:
None typically offered for this model year.
Automatic Transmission Features:
Driver Shift Control (manual shifting capability), adaptive shift logic.
Transmission Fluid Type:
Dexron VI Automatic Transmission Fluid (ATF)
Transmission Fluid Capacity:
Approximately 7.5-9.5 quarts (7.1-9.0 liters) for a dry fill, less for a fluid change.
NHTSA Front Impact Rating:
5-Star (for driver and front passenger)
NHTSA Side Impact Rating:
5-Star (for front and rear passengers)
IIHS Front Offset Crash Test:
'Good' rating (from IIHS when tested).
ABS:
Standard Anti-lock Braking System (ABS).
Traction Control:
Standard Traction Control System (TCS).
Electronic Stability Control:
Standard StabiliTrak (Electronic Stability Control).
Airbags:
Standard front airbags, front side-impact airbags, and side curtain airbags.
Seatbelts:
Height-adjustable front seat belts with pretensioners, rear 3-point seat belts.
Infotainment System:
Optional touchscreen navigation system, premium audio systems (e.g., Bose), CD player, satellite radio readiness.
Parking Assist:
Available rear parking assist sensors.
Onstar:
Optional OnStar communication system with turn-by-turn navigation and emergency services.
Oil Change Interval:
Typically every 5,000-7,500 miles (8,000-12,000 km) or 6 months, using synthetic blend or full synthetic oil, or as indicated by the oil life monitoring system.
Engine Coolant Flush:
Recommended every 5 years or 100,000 miles (160,000 km) with DEX-COOL coolant.
Transmission Fluid Change:
Recommended every 50,000-100,000 miles (80,000-160,000 km) under normal driving conditions, or more frequently under severe conditions.
Spark Plug Replacement:
For 3.5L V6: Approximately 100,000 miles (160,000 km) with iridium-tipped plugs. For 3.8L V6: Approximately 60,000-100,000 miles (96,000-160,000 km) depending on plug type.
Engine Oil Specification:
SAE 5W-30 viscosity grade, API certified, meeting GM's GM6094M specification (or equivalent for synthetic).
Engine Coolant Specification:
GM Original Equipment (OE) DEX-COOL® coolant (a silicate-free, orange-colored antifreeze/coolant).
Brake Fluid Specification:
DOT 3 or DOT 4 Motor Vehicle Brake Fluid.
Common Issues:
Potential for power steering fluid leaks, ABS sensor failures, occasional transmission issues (e.g., solenoid issues), and HVAC blower motor resistor failures.
Buick Legacy:
Buick, a division of General Motors, has a long history dating back to 1899, known for its emphasis on comfort, quietness, and premium features within the GM lineup.
Lacrosse Generation:
The 2007 LaCrosse belongs to the first generation (2005-2009), built on GM's G-platform, which it shared with other GM vehicles like the Chevrolet Impala.
Market Segment:
Full-size sedan, positioned as a comfortable and refined option in Buick's sedan lineup.
Manufacturing Location:
Detroit-Hamtramck Assembly in Michigan, USA.
