Manual Coverage
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Systems Covered
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Engine Service:
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Complete diagnostics, repair, and overhaul of all engine variants
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Fuel System:
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Fuel delivery, injection, evaporative emissions, and fuel tank service
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Cooling System:
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Radiator, fan, coolant flow, thermostat, and heater core
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Lubrication System:
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Oil pump, oil filter, oil passages, and lubrication specifications
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Ignition System:
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Spark plugs, coils, ignition timing, and related sensors
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Charging System:
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Alternator, battery, voltage regulator, and charging circuit diagnostics
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Automatic Transmission:
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Service, repair, and diagnosis of automatic transmission models
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Manual Transmission:
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Service, repair, and diagnosis of manual transmission models
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Drivetrain:
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Driveshaft, differential, axles, and wheel bearing service
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Suspension:
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Front and rear suspension components, alignment, and wheel specifications
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Brake System:
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Disc brakes, ABS, traction control, and parking brake system service
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Steering System:
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Power steering, steering column, and steering gear repair
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HVAC:
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Air conditioning, heating, ventilation, and climate control system service
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Restraint Systems:
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Airbags, seat belts, and supplementary restraint system (SRS) diagnostics and repair
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Electrical System:
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Complete wiring schematics, component testing, and diagnostics
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Multiplex Communication:
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CAN bus, LIN bus, and other network communication system diagnosis
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Body And Interior:
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Door locks, windows, seats, instrument panel, and exterior trim repair
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Emission Control:
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Catalytic converter, O2 sensors, and emissions related system service
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Cruise Control:
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Service and diagnostics for the cruise control system
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Wiper Washer System:
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Service and repair of the wiper and washer systems
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Engine Immobilizer:
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Diagnostics and repair related to the engine immobilizer system
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Audio Visual Systems:
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Repair and diagnostics for infotainment and audio components
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Lighting System:
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Headlights, taillights, interior lighting, and related diagnostics
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Glass And Mirrors:
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Windshield, side glass, mirrors, and related mechanisms
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Procedures Included
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Maintenance Procedures:
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Regular scheduled maintenance, fluid changes, filter replacements
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Diagnostic Procedures:
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Step-by-step diagnostic flowcharts and troubleshooting guides for all systems
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Repair Procedures:
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Detailed instructions for component removal, installation, and repair
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Overhaul Procedures:
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Complete engine and transmission rebuild procedures
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Wiring Schematics:
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Comprehensive, high-detail wiring diagrams for all electrical systems
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Illustrations And Diagrams:
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Numerous diagrams, illustrations, and exploded views for clarity
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Technical Depth
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Technical Depth:
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Factory-level diagnostics, repair, and specifications; suitable for professional technicians and advanced DIYers
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Maintenance
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Service Intervals Oil Change
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Oil Change Interval:
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Every 7,500 miles or 12 months, whichever comes first (with synthetic oil).
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Service Intervals Tire Rotation
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Tire Rotation Interval:
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Every 7,500 miles
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Service Intervals Air Filter
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Engine Air Filter Replacement:
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Every 30,000-45,000 miles or as needed based on driving conditions.
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Service Intervals Cabin Filter
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Cabin Air Filter Replacement:
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Every 20,000-30,000 miles or annually.
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Fluid Specifications Engine Oil
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Engine Oil Specification:
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SAE 5W-30, API SN, GM dexos1 Gen 2 or equivalent synthetic oil.
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Fluid Specifications Coolant
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Coolant Specification:
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GM DEX-COOL Long Life Antifreeze/Coolant (Orange) - Pre-diluted or concentrated.
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Fluid Specifications Brake Fluid
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Brake Fluid Specification:
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DOT 3 or DOT 4 Hydraulic Brake Fluid.
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Fluid Specifications Transmission Fluid Auto
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Automatic Transmission Fluid Specification:
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Dexron VI (for 6L50/6L80 transmissions).
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Known Issues
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Known Issues Engine Oil Leaks:
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Potential for oil leaks from valve cover gaskets or front crankshaft seal, particularly on higher mileage 3.6L V6 (LLT) engines.
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Known Issues Timing Chain Rattle:
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Some reports of timing chain noise or tensioner issues on early LLT engines, though often revised in later models.
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Known Issues Suspension Components:
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Wear on front control arm bushings and sway bar links can lead to noise and handling degradation.
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Known Issues HVAC Actuators:
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Recirculation door actuator failure can cause HVAC performance issues.
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