Vehicle Segment:
Mid-size crossover SUV
Key Competitors:
Ford Freestyle, Pontiac Aztek, Toyota Highlander, Honda Pilot, Nissan Murano
Vehicle Type:
Front-engine, front-wheel drive or all-wheel drive crossover SUV
Design Philosophy:
Combination of minivan practicality and SUV styling
Coverage Scope:
Complete factory service, repair, and workshop procedures
Estimated Pages:
Hundreds (specific number not provided, but described as extensive)
Type:
Service Repair Workshop Manual
Completeness:
Full factory service manual equivalent
Digital Format:
PDF Download
Powertrain:
Engine mechanical, fuel system, lubrication, cooling, ignition, exhaust, engine control systems (ECM), transmission (automatic transaxle), drivetrain components (CV joints, axles)
Chassis:
Suspension (front and rear), steering, brakes (hydraulic, ABS, traction control), wheels, tires
Electrical:
Body control module (BCM), instrument panel, lighting (headlights, taillights, interior), power windows, locks, mirrors, audio systems, climate control systems, power seats, charging system, starting system, ignition system, diagnostic procedures, wiring diagrams
Body:
Exterior body panels, interior trim, doors, windows, roof, bumpers, glass, seals, structural components
Maintenance:
Scheduled maintenance, fluid checks and changes, filter replacements, inspections, lubrication
Diagnostics:
Troubleshooting guides, diagnostic trouble codes (DTCs), symptom-based diagnostics, electrical circuit testing
Repair:
Component removal and installation, adjustments, repairs to engine, transmission, suspension, brakes, steering, electrical systems, body components
Special Procedures:
Airbag system service, diagnostic tool usage, calibration procedures, specifications for critical fasteners
Rebuilds:
Engine and transmission rebuild procedures are detailed.
Depth:
Comprehensive, step-by-step instructions with detailed photos and exploded diagrams, suitable for professional mechanics and advanced DIY enthusiasts
Diagrams Illustrations:
Detailed exploded diagrams, component photos, wiring schematics, and troubleshooting flowcharts
Engine Type 1:
3.4L V6 (3400 SFI)
Engine Code 1:
L32 (for 3.4L V6)
Horsepower 1:
Approx. 185 hp @ 5200 rpm
Torque 1:
Approx. 210 lb-ft @ 4000 rpm
Horsepower 2:
Approx. 200-205 hp @ 5600 rpm (depending on year and configuration)
Torque 2:
Approx. 220-225 lb-ft @ 4000 rpm (depending on year and configuration)
Fuel Delivery 1:
Sequential Fuel Injection (SFI)
Fuel Delivery 2:
Multi-Port Fuel Injection (MPFI) with Variable Valve Timing (VVT)
Engine Type 2:
3.6L V6 VVT (High Feature V6 - introduced mid-generation)
Engine Code 2:
LY7 (for 3.6L V6)
Wheelbase:
Approx. 113.2 inches
Length:
Approx. 191.8 inches
Width:
Approx. 74.5 inches
Height:
Approx. 66.3 inches
Cargo Volume Behind 3Rd Row:
Approx. 14.3 cu ft
Cargo Volume Behind 2Nd Row:
Approx. 38.9 cu ft
Cargo Volume Max:
Approx. 77.1 cu ft
Curb Weight FWD:
Approx. 3,800 - 4,000 lbs
Curb Weight AWD:
Approx. 3,950 - 4,150 lbs
NHTSA Rollover Rating:
4 out of 5 stars (for most models)
ABS:
Standard Anti-lock Braking System (ABS)
Traction Control:
Available Traction Control System (TCS)
Airbags:
Front airbags, optional side-impact airbags
Seat Belts:
Three-point seat belts with pretensioners
Oil Change Interval:
Every 3,000-7,500 miles or 3-6 months, depending on oil type and driving conditions (refer to manual for specific guidance)
Tire Rotation:
Every 5,000-7,500 miles
Transmission Fluid Change:
Every 30,000-60,000 miles, depending on usage and fluid condition
Engine Oil Type:
SAE 5W-30 (refer to manual for specific API service classification and Dexos compliance where applicable)
Coolant Type:
GM-specified engine coolant (typically a blend of ethylene glycol and deionized water, often orange or Dex-Cool)
Transmission Fluid Type:
Dexron VI (or equivalent approved synthetic ATF)
Common Problems 1:
Front strut mounts and bearings wear, leading to noise and handling issues.
Common Problems 2:
EGR valve clogging can cause rough idle and stalling.
Common Problems 3:
Oil leaks from the intake manifold gasket or valve cover gaskets.
Common Problems 4:
Power steering pump noise or leaks.
Common Problems 5:
Catalytic converter failure or O2 sensor issues.
Buick Legacy:
Known for comfortable, quiet, and upscale American vehicles
First Generation:
Launched in 2001 for the 2002 model year, based on GM's Upsilon platform (shared with Pontiac Aztek)
Mid-Cycle Refresh:
Received updates for the 2005 model year, including the introduction of the 3.6L V6 engine and revised interior/exterior styling
Manufacturing Location:
GM Assembly Plant, Fairfax, Kansas, USA
Production End Year:
2007
