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Manual Coverage
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Systems Covered
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Engine Service:
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Complete diagnosis, overhaul, and repair of all applicable engine variants.
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Drivetrain Service:
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Manual and automatic transmission repair, differential service, driveshaft and axle repair.
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Suspension And Steering:
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Front and rear suspension component replacement, alignment procedures, steering system repair.
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Brake System Service:
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Disc and drum brake system repair, hydraulic system diagnostics, ABS system (if equipped).
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Electrical System Diagnosis:
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Wiring diagrams, component testing, diagnostic procedures for all electrical systems.
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HVAC Service:
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Air conditioning and heating system diagnosis and repair, component replacement.
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Body And Interior Repair:
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Body panel repair, door mechanisms, interior trim, glass replacement.
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Fuel System Service:
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Fuel pump replacement, fuel filter service, fuel injector testing and replacement, fuel pressure diagnostics.
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Cooling System:
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Radiator service, water pump replacement, thermostat diagnosis and replacement, fan clutch inspection.
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Exhaust System:
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Catalytic converter replacement, muffler and pipe repair/replacement, oxygen sensor testing and replacement.
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Chassis And Frame:
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Frame inspection, rust prevention, and basic chassis component service.
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Procedures Included
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Preventative Maintenance:
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Scheduled maintenance tasks, fluid changes, filter replacements, inspection points.
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Troubleshooting Guides:
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Systematic diagnostic procedures for common and complex issues.
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Repair Procedures:
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Step-by-step instructions for component removal, installation, and repair.
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Torque Specifications:
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Detailed torque values for critical fasteners across all systems.
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Diagnostic Trouble Codes:
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Coverage of OBD-I diagnostic codes and procedures for retrieving them. Advanced diagnostic tools would be needed for OBD-II specific functions if present on late 1995 models, though OBD-I was dominant.
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Engine Timing:
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Procedures for checking and adjusting ignition timing (where applicable, e.g., with distributor) and camshaft timing.
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Wheel Alignment:
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Specifications and procedures for front and rear wheel alignment.
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Technical Depth
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Diagnostic Capability:
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Advanced diagnostic procedures, including interpretation of diagnostic trouble codes (DTCs) and component testing.
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Rebuild Information:
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Detailed procedures for engine, transmission, and differential rebuilds.
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Wiring Diagrams Detail:
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Comprehensive, clearly labeled wiring diagrams for all electrical circuits, including power distribution, lighting, engine controls, and accessories.
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Engine Specifications
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Primary Engine
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Engine Options:
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4.3L V6 Vortec (L35), 5.0L V8 (L30), 5.7L V8 (L31), 7.4L V8 (L29)
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Performance
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Horsepower Range:
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Approximately 160-290 hp depending on engine variant.
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Torque Range:
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Approximately 230-410 lb-ft depending on engine variant.
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Fuel System
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Fuel Injection Type:
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Multi-port Fuel Injection (MPFI) for most gasoline engines.
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Fuel Type:
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Unleaded gasoline.
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Engine Codes
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Engine Identification:
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VIN E (4.3L V6), VIN H (5.7L V8), VIN H (5.0L V8 - some models), VIN 1 (7.4L V8).
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Engine Features
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Vortec Engine Technology:
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Vortec V6 and V8 engines featured improved cylinder head design and intake manifolds for enhanced airflow and performance.
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Maintenance
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Service Intervals
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Oil Change Interval:
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Typically every 3,000-7,500 miles or 6 months, depending on oil type and driving conditions (refer to manual for specific recommendations).
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Transmission Fluid Change:
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Automatic transmissions: 30,000-60,000 miles (severe use may require more frequent changes). Manual transmissions: Inspect and change as needed or at higher mileage intervals (consult manual).
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Fluid Specifications
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Engine Oil Viscosity:
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5W-30 or 10W-30 depending on ambient temperature (refer to manual for precise specifications).
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Coolant Type:
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Ethylene glycol based coolant with corrosion inhibitors. Consult manual for specific type and mixture ratio (e.g., green conventional).
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Brake Fluid Type:
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DOT 3 brake fluid.
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Power Steering Fluid:
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Dexron-III or equivalent power steering fluid.
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Differential Fluid:
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GL-5 gear oil (API classification) with specified viscosity (e.g., 75W-90 or 80W-90). Limited-slip differentials may require specific additive.
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Known Issues
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Common Problems:
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Potential for intake manifold gasket leaks (Vortec engines), fuel pump issues, transmission cooler line leaks, and dashboard cracks due to sun exposure.
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Electrical Quirks:
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Occasional issues with power window motors, door lock actuators, and instrument cluster failures. Grounds can be a common culprit for various electrical gremlins.
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