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Introduction
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Market Position
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Positioning:
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Essential DIY and professional repair resource for the 1994 Chevrolet K2500 Suburban.
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Competitive Analysis
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Comparison:
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Superior to outdated printed manuals due to instant access, searchability, and digital convenience. Licensed OE data ensures accuracy over unofficial third-party guides.
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Key Features
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Licensing:
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Officially licensed and derived from OE (Original Equipment) materials.
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Access:
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Full year of access with potential for renewal discounts. Instant download.
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Compatibility:
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Compatible with PC, laptop, smartphone, and tablet via web browser.
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Content Source:
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Developed by RepairSurge using licensed OE information.
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Manual Coverage
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Systems Covered
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Engine:
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Vortec 5.7L (350 cu in) V8, 7.4L (454 cu in) V8
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Drivetrain:
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4-wheel drive (4WD) system, transfer case, axles, differentials, driveshafts
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Transmission:
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4L60E (4-speed automatic), NV4500 (5-speed manual - likely optional)
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Brakes:
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Front disc, rear drum, ABS system (if equipped)
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Suspension:
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Front independent torsion bar, rear solid axle with leaf springs
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Steering:
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Power steering system, steering column
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Cooling System:
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Radiator, fan, water pump, thermostat, coolant passages
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Fuel System:
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Fuel pump, injectors, fuel filter, fuel tank, evaporative emissions
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Electrical System:
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Battery, charging system (alternator), starting system, ignition system, lighting, wiring diagrams, fuses, relays
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HVAC:
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Heating, Ventilation, and Air Conditioning (HVAC) system components and service
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Body And Frame:
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Body panels, doors, windows, interior trim, frame structure, chassis components
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Procedures Included
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Maintenance:
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Oil change, filter replacement, fluid checks and changes, tune-ups, lubrication
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Diagnostics:
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Troubleshooting guides for common issues, diagnostic trouble codes (DTCs), symptom-based diagnostics
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Repair:
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Detailed step-by-step repair procedures for all major systems and components
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Overhaul:
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Engine, transmission, and differential overhaul procedures
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Electrical Diagnostics:
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Wiring diagrams, component testing, troubleshooting electrical faults
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Component Replacement:
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Brake pads, rotors, calipers, suspension arms, shock absorbers, steering components, exhaust system, engine accessories
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Technical Depth
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Depth:
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Comprehensive factory-level repair and diagnostic information
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Engine Specifications
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Primary Engine
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Engine Code 1:
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L31
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Engine Displacement 1:
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5.7 L (350 cu in)
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Engine Type 1:
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V8, Overhead Valves (OHV)
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Horsepower 1:
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Approx. 200-215 hp @ 4000 rpm (Varies slightly based on specific configuration)
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Torque 1:
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Approx. 310-330 lb-ft @ 2400 rpm (Varies slightly)
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Optional Engine
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Engine Code 2:
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L29
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Engine Displacement 2:
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7.4 L (454 cu in)
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Engine Type 2:
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V8, Overhead Valves (OHV)
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Horsepower 2:
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Approx. 230 hp @ 3600 rpm
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Torque 2:
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Approx. 380 lb-ft @ 2400 rpm
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Fuel System
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Fuel Delivery:
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Electronic Fuel Injection (EFI) - Throttle Body Injection (TBI) for 5.7L, Multi-port Fuel Injection (MPFI) for 7.4L.
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Maintenance
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Service Intervals
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Oil Change Interval:
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Every 3,000-5,000 miles or 3-6 months, depending on driving conditions (refer to manual for exact OE recommendation).
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Transmission Fluid Change:
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Every 30,000-60,000 miles for automatic transmission (refer to manual).
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Coolant Change:
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Every 30,000-50,000 miles or 2-3 years.
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Spark Plugs:
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Typically 60,000-100,000 miles for high-quality replacement plugs, original likely shorter.
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Fluid Specifications
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Engine Oil:
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API SG or SH rated, SAE 5W-30 or 10W-30 (check manual for specific weight based on temperature).
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Automatic Transmission Fluid:
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Dexron III (or equivalent)
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Coolant:
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Ethylene glycol-based antifreeze/coolant, typically a 50/50 mix with distilled water. Green color for this era.
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Known Issues
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Common Problems:
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Heater core leaks, dashboard cracking, power window motor failure, rear main seal leaks, ABS sensor issues, catalytic converter clogging, intake manifold gasket leaks (Vortec engines).
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