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Introduction
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Market Position
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Segment:
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Compact Crossover SUV
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Target Audience:
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Consumers seeking a premium-feeling compact SUV with modern features, also professional technicians and DIY enthusiasts
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Competitive Analysis
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Key Competitors:
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Acura RDX, Lexus NX, BMW X3, Audi Q5, Mercedes-Benz GLC, Lincoln MKC, Cadillac XT5
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Key Features
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Vehicle Attributes:
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Comfortable ride, quiet cabin, upscale interior design, available all-wheel drive, modern infotainment system, strong emphasis on safety features
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Manual Value Proposition
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Manual Benefit:
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Provides factory-level diagnostic and repair information, enabling accurate troubleshooting and efficient repairs, saving time and money compared to dealership service.
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Manual Coverage
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Systems Covered
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Powertrain:
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Engine mechanical, fuel system, ignition system, emission control, cooling system, lubrication system, engine performance diagnostics
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Transmission Drivetrain:
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Automatic transmission service and repair, differential service, driveline components, all-wheel drive system service
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Chassis Suspension Steering:
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Front and rear suspension, steering system components, power steering, wheel alignment specifications
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Brakes:
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Brake system diagnosis, ABS, EBD, brake fluid specifications, pad and rotor replacement, caliper service
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Electrical Electronics:
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Battery, charging system, starting system, lighting systems, instrument cluster, body control module (BCM), infotainment system, diagnostic trouble codes (DTCs) and their interpretation
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Body Interior Exterior:
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Body panel repair, doors, windows, locks, interior trim, seats, HVAC system, climate control, exterior lighting, bumpers
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Procedures Included
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Maintenance:
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Routine maintenance tasks, fluid changes (oil, coolant, brake fluid, transmission fluid), filter replacements, spark plug replacement, belt inspection and replacement
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Diagnostics:
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Troubleshooting charts, symptom-based diagnostics, diagnostic tool usage (e.g., GM Tech 2/MDI), interpretation of diagnostic trouble codes (DTCs)
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Repair:
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Component removal and installation, system overhauls, specific repair procedures for all major vehicle systems
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Specifications:
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Torque specifications for all fasteners, clearances, fluid capacities, electrical schematics, wiring diagrams
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Technical Depth
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Depth:
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Comprehensive (from basic maintenance to advanced diagnostics and complete rebuilds)
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Engine Specifications
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Primary Engine
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Engine Code:
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LSF (2.4L)
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Engine Type:
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Inline 4-Cylinder, DOHC, Direct Injection
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Displacement:
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2.4 Liters (2398 cc)
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Bore X Stroke:
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92.6 mm x 90.2 mm (approximate)
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Performance
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Horsepower:
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182 hp @ 6200 rpm
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Torque:
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172 lb-ft @ 4400 rpm
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Fuel System
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Fuel Delivery:
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Direct Injection (DI)
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Fuel Type:
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Premium Unleaded Gasoline (recommended, 91 octane)
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Engine Management
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ECU Type:
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GM E39/E39A ECU (common for this generation)
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Cooling System
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Coolant Type:
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GM DEX-COOL (Orange, silicate and borate free, long-life) - GM P/N 10-2033 / 12346290
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Lubrication System
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Engine Oil Type:
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SAE 0W-20, API SN certified, GM dexos1™ Gen 2
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Engine Oil Capacity:
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5.5 US Quarts (5.2 Liters) with filter change
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Engine Component Numbers
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Oil Filter Part Number:
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ACDelco PF2232 or equivalent (verify with specific VIN)
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Air Filter Part Number:
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ACDelco A3360C or equivalent (verify with specific VIN)
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Safety Features
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Ratings
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NHTSA Overall Rating:
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Likely 5-Star (based on similar GM platform vehicles and safety features)
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IIHS Top Safety Pick:
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Likely Good ratings in crashworthiness tests. Check specific IIHS reports for 2015 Envision.
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Active Features
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ABS:
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Standard Anti-lock Braking System
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Traction Control:
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Standard Traction Control System (TCS)
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Electronic Stability Control:
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Standard Electronic Stability Control (ESC)
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Driver Assistance Systems:
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Available Forward Collision Alert, Lane Departure Warning, Side Blind Zone Alert, Rear Cross-Traffic Alert
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Passive Features
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Airbags:
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Frontal airbags, front side-impact airbags, side-curtain airbags, driver knee airbag (typical configuration)
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Seatbelts:
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3-point seat belts with pretensioners and load limiters, LATCH child seat anchors
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Structure:
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High-strength steel safety cage construction
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Technology Features
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Infotainment
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Infotainment System:
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Buick IntelliLink system with touchscreen display (likely 7-inch or 8-inch diagonal)
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Connectivity Features:
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Bluetooth for phone and audio streaming, USB ports, Apple CarPlay and Android Auto (may be available depending on specific trim/options, or later introduced via software update). SiriusXM Satellite Radio common.
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Driver Assistance
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Camera Systems:
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Available rearview camera, optional front and rear park assist sensors.
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Adaptive Cruise Control:
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Available (depending on trim level and options)
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Comfort Convenience
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Keyless Entry Start:
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Standard keyless entry with push-button start on most trims.
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HVAC System:
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Dual-zone automatic climate control common.
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Lighting
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Headlights:
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Halogen projector-beam headlights standard, available HID (Xenon) headlights and LED accent lighting.
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Maintenance
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Service Intervals
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Oil Change Interval:
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Every 7,500 miles (12,000 km) or 12 months, whichever comes first (under normal driving conditions; refer to manual for severe conditions).
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Tire Rotation Interval:
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Every 7,500 miles (12,000 km)
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Cabin Air Filter Replacement:
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Every 15,000 miles (24,000 km) or 12 months
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Engine Air Filter Replacement:
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Every 30,000 miles (48,000 km)
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Spark Plug Replacement:
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Every 100,000 miles (160,000 km) for iridium-tipped plugs (typical for DI engines)
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Transmission Fluid Service:
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Inspect every 45,000 miles (72,000 km); replace as needed or at higher mileage intervals per manual recommendation.
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Coolant Flush:
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First flush at 150,000 miles (240,000 km), then every 50,000 miles (80,000 km) thereafter (for DEX-COOL).
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Fluid Specifications
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Brake Fluid Type:
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DOT 3 or DOT 4 (refer to cap or manual; DOT 4 is often preferred for its higher boiling point)
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Power Steering Fluid:
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Use GM Power Steering Fluid or a compatible Dexron VI ATF (refer to manual for definitive specification)
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Known Issues
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Common Complaints:
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Intermittent transmission shifting issues, occasional infotainment system glitches, potential for carbon buildup on intake valves (DI engines, requires specific cleaning procedures), some reports of front suspension noise.
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Diagnostic Challenges:
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Diagnosing complex electrical faults or transmission control module (TCM) issues requires specialized GM diagnostic software and knowledge.
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