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Manual Coverage
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Systems Covered
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Engine:
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Detailed diagnostics, repair, and overhaul for all available engines.
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Drivetrain:
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Coverage of transmissions (manual and automatic), differentials, driveshafts, and axles.
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Brakes:
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Front and rear brake systems, including hydraulic components, ABS, and parking brake.
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Suspension Steering:
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Front and rear suspension components, steering system, and alignment procedures.
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Electrical Electronic:
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Complete wiring diagrams, diagnostics for lighting, ignition, charging system, starter, and various electronic modules.
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HVAC:
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Heating, Ventilation, and Air Conditioning (HVAC) system service and repair.
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Body Chassis:
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Body panel repair, structural components, doors, glass, and chassis components.
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Procedures Included
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Maintenance:
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Routine maintenance schedules, fluid changes, filter replacements, and inspections.
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Troubleshooting:
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Diagnostic procedures and symptom-based troubleshooting guides for common issues.
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Repair Overhaul:
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Step-by-step instructions for component removal, disassembly, repair, reassembly, and installation.
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Diagnostics:
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Detailed diagnostic flowcharts and procedures, including OBD-II diagnostics.
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Technical Depth
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Depth:
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Factory-level technical information, suitable for professional technicians and advanced DIYers.
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Engine Specifications
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Primary Engine
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Engine Options:
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2.8L Vortec 4-cylinder, 3.5L Vortec 5-cylinder
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Performance 2 8L
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Horsepower 2 8L:
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Approximately 175 hp @ 5600 rpm
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Torque 2 8L:
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Approximately 185 lb-ft @ 4400 rpm
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Performance 3 5L
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Horsepower 3 5L:
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Approximately 201 hp @ 5600 rpm
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Torque 3 5L:
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Approximately 220 lb-ft @ 4000 rpm
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Fuel System
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Fuel Delivery:
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Multi-port Fuel Injection (MPFI)
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Engine Management
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Ignition System:
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Distributorless Ignition System (DIS) with coil-on-plug (COP)
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Cooling System
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Coolant Type:
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Dex-Cool (GM P/N 12346290 or equivalent)
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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 or 6 months, whichever comes first (synthetic oil recommended).
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Air Filter Replacement:
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Every 30,000 miles or 2 years, or as needed based on driving conditions.
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Spark Plug Replacement:
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Approximately 100,000 miles (use specified iridium or platinum plugs).
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Fluid Specifications
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Engine Oil Capacity:
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4.5 quarts (4.3 L) for 2.8L; 5.0 quarts (4.7 L) for 3.5L (with filter change)
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Engine Oil Viscosity:
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SAE 5W-30 (API certified)
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Known Issues
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Common Problems:
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Frame rust concerns on early models (especially in salt-belt regions), potential coolant leaks from the intake manifold gasket, and occasional issues with the electronic throttle body.
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Fluid Capacities
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Brake Fluid Type:
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DOT 3
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Power Steering Fluid:
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GM P/N 89021182 (Dexron III-H or equivalent)
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