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Manual Coverage
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Systems Covered
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Engine:
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Engine Mechanical, Lubrication, Cooling, Fuel, Ignition, Emissions Control, Starting, Charging
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Drivetrain:
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Manual Transmission, Automatic Transmission, Transfer Case (4WD), Driveshafts, Axles, Differentials
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Suspension Steering:
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Front Suspension, Rear Suspension, Steering System Components, Wheel Alignment
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Brakes:
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Front Brakes (Disc), Rear Brakes (Drum/Disc depending on configuration), Parking Brake, ABS System
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Electrical:
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Chassis Electrical, Engine Electrical, Instrument Cluster, Lighting, Power Windows/Locks, Audio System
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HVAC:
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Heating, Ventilation, and Air Conditioning (HVAC) System
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Body Chassis:
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Body Structure, Exterior Trim, Interior Trim, Bumpers, Glass, Doors, Hood, Tailgate/Bed
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Climate Control:
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Air Conditioning (A/C) and Heating system diagnostics and repair
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Procedures Included
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Maintenance:
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Scheduled Maintenance, Fluid Changes, Filter Replacements, Lubrication Points
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Repair:
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Component Removal, Installation, Adjustment, and Overhaul
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Diagnostics:
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Troubleshooting Guides, Symptom-to-Cause Charts, Diagnostic Trouble Codes (DTCs) interpretation (OBD-I)
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Wiring Diagrams:
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Detailed wiring diagrams for all major electrical systems
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Torque Specifications:
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Comprehensive torque specifications for all fasteners and critical components
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Troubleshooting Charts:
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Extensive diagnostic flowcharts and symptom-based troubleshooting tables
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Technical Depth
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Depth:
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Comprehensive OE-level diagnostics, repair procedures, specifications, and torque values
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Engine Rebuild:
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Procedures for complete engine disassembly, inspection, measurement, and reassembly
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Transmission Overhaul:
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Detailed steps for automatic and manual transmission overhaul
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Chassis Alignment:
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Wheel alignment specifications and adjustment procedures
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Engine Specifications
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Primary Engine
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Engine Options:
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4.3L (262ci) V6 (Vortec L35), 5.0L (305ci) V8 (Small Block L30), 5.7L (350ci) V8 (Small Block L31)
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Performance
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4.3L V6 (L35) Horsepower:
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Approx. 160 hp @ 4000 rpm
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4.3L V6 (L35) Torque:
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Approx. 235 lb-ft @ 2400 rpm
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5.0L V8 (L30) Horsepower:
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Approx. 175 hp @ 4000 rpm
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5.0L V8 (L30) Torque:
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Approx. 270 lb-ft @ 2400 rpm
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5.7L V8 (L31) Horsepower:
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Approx. 200 hp @ 4000 rpm
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5.7L V8 (L31) Torque:
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Approx. 300 lb-ft @ 2400 rpm
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Fuel System
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Fuel Delivery:
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Multi-port Fuel Injection (MPI)
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Recommended Fuel:
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87 Octane Unleaded Gasoline
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Engine Variants
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Vin Engine Codes:
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R for 4.3L V6, P for 5.0L V8, Z for 5.7L V8
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Maintenance
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Service Intervals
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Oil Change Interval:
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Every 3,000 miles or 3 months (recommended under normal driving conditions)
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Air Filter Replacement:
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Every 12,000-15,000 miles or as needed based on inspection
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Spark Plug Replacement:
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Approximately 60,000 miles for conventional spark plugs (if applicable, consult manual for specific type)
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Fluid Specifications
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Engine Oil:
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API SG or SH, SAE 5W-30 or 10W-30 (check owner's manual for specific viscosity based on temperature)
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Coolant:
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GM P/N 1052804, 50/50 mixture of Dex-Cool (or equivalent) and distilled water
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Transmission Fluid Auto:
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Dexron-III (GM P/N 12378515 or equivalent)
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Transmission Fluid Manual:
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GM P/N 10503642, SAE 75W-90 GL-4 or GL-5 Gear Oil
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Brake Fluid:
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DOT 3
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Power Steering Fluid:
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GM P/N 1050017, Automatic Transmission Fluid (Dexron-II or III)
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Known Issues
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Common Problems:
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Coolant leaks from intake manifold gaskets, ball joint wear, differential leaks, instrument cluster failure (various gauges), fuel pump issues, AC system leaks.
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Fluid Capacities
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Engine Oil Capacity:
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Approx. 5 quarts (4.7L) with filter change (4.3L V6 and 5.0L V8), 6 quarts (5.7L) with filter change (5.7L V8)
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Coolant Capacity:
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Approx. 14-16 quarts (13.2-15.1L) depending on engine and cooling system size
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Transmission Fluid Capacity Auto:
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Approx. 11 quarts (10.4L) (dry fill)
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Transmission Fluid Capacity Manual:
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Approx. 2.5 quarts (2.4L)
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