🏷️ Basic Information Identification Make: GMC Model: K2500 Year: 1994 Codes Chassis Code: GMT400 👋 Introduction Market Position Target Audience: DIY enthusiasts, independent repair shops, GMC K2500 owners seeking reliable repair information Competitive Analysis Advantages: Licensed OE information, digital convenience, cost-effectiveness compared to printed manuals, year-long access Key Features Feature 1: Instant online access from any internet-connected device (PC, smartphone, tablet) Feature 2: Officially licensed and derived from Original Equipment (OE) materials Feature 3: Comprehensive coverage for all major vehicle systems Feature 4: User-friendly interface with intuitive navigation 📋 Manual Details Coverage Areas Primary Coverage: Service and Repair Page Count Estimated Pages: Extensive (Digital Access) Manual Type Type: Online Service and Repair Manual Software Language Language: English Format Format: Online/Web-based Access 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, diagnostics, tune-up, cooling system, fuel system, lubrication system, exhaust system Engine Electrical: Ignition system, starting system, charging system, engine control module (ECM) diagnostics, wiring diagrams Transmission: Automatic & Manual: overhaul, diagnostics, fluid service, torque converter, valve body Drivetrain: Front axle, rear axle, driveshaft, U-joints, differential, transfer case (if applicable for 4x4) Suspension: Front and rear suspension components, shock absorbers, springs, ball joints, control arms, bushings Steering: Steering gear, power steering pump, steering linkage, steering column Brakes: Front and rear brake systems (disc/drum), hydraulic system, ABS (if equipped), parking brake Electrical Body: Lighting, wipers, horn, power windows, power locks, instrument cluster, audio system, HVAC controls HVAC: Heating, ventilation, air conditioning system components, diagnostics, refrigerant handling Body: Body panels, doors, hoods, tailgates, interior trim, glass, bumpers Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks, inspections Troubleshooting: Diagnostic procedures for common and uncommon issues, fault codes, symptom-based troubleshooting Repair: Step-by-step repair procedures for all major components and systems Overhaul: Complete engine, transmission, and differential overhaul procedures Diagnostics: In-depth diagnostic trees and explanations for electrical and mechanical systems Technical Depth Depth: Comprehensive OE-level detail, suitable for professional technicians and advanced DIYers 📊 Manual Specifications File Format Access Method: Web browser access via subscription Print Quality Quality: High-resolution digital content Binding Type Binding: N/A (Digital) Paper Type Paper: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Code Gas 1: L05 Engine Description Gas 1: 5.7L (350 cu in) V8 OHV (Small Block Chevrolet) Horsepower Gas 1: Approx. 200-210 HP @ 4000 RPM (varies slightly by application) Torque Gas 1: Approx. 300-310 lb-ft @ 2400 RPM (varies slightly by application) Fuel System: Multi-port Fuel Injection (MPFI) Optional Engine 1 Engine Code Gas 2: L31 (introduced late 1994/early 1995 model year for some variants, primarily Vortec heads) Engine Description Gas 2: 5.7L (350 cu in) V8 OHV Vortec Optional Engine 2 Engine Code Diesel: 6.5L Engine Description Diesel: 6.5L (395 cu in) V8 OHV Turbo-Diesel (LM0 or L65 variations) Performance Compression Ratio Gas 1: 8.3:1 Fuel System Fuel Type: Unleaded Gasoline (87 Octane Recommended) 🔧 Transmission Standard Transmission Type Std: 4-Speed Automatic (4L60-E) Optional 1 Transmission Type Opt 1: 5-Speed Manual (NV4500) Features Transmission Features: Electronic controls for 4L60-E, robust construction for NV4500 📐 Dimensions Exterior Wheelbase Std: 130 inches (approx.) Length Std: 224 inches (approx.) Width Std: 79.7 inches (approx.) Height Std: 74.8 inches (approx.) Weights Curb Weight Std: Approx. 5,000 - 5,500 lbs (varies by configuration) Gvwr Std: 7,200 lbs (approx.) Payload Capacity Std: Approx. 2,000 lbs (varies) 🛡️ Safety Features Ratings NHTSA Overall Rating: Not Rated (as per modern standards) Active Features Active Feature 1: Anti-lock Braking System (ABS) - Rear wheels only standard, optional 4-wheel ABS Passive Features Passive Feature 1: Seat belts with pretensioners Passive Feature 2: High-strength steel frame and body construction 💡 Technology Features Infotainment Infotainment System: Basic AM/FM stereo, cassette player, optional CD player Driver Assistance Driver Assistance Features: Limited to ABS (optional) Connectivity Connectivity: N/A (No built-in Bluetooth or USB ports) 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000 miles or 3 months (typical recommendation for this era, consult manual for specific engine) Transmission Fluid Change: Every 30,000 - 60,000 miles (depending on usage and type, consult manual) Coolant Flush: Every 30,000 miles or 2 years Fluid Specifications Engine Oil Type: API SG or SH, SAE 5W-30 or 10W-30 (consult manual for temperature ranges) Transmission Fluid Type: Dexron-III Automatic Transmission Fluid (ATF) Coolant Type: Ethylene Glycol based, green coolant (50/50 mix with distilled water) Brake Fluid Type: DOT 3 Known Issues Issue 1: Intake manifold gasket leaks (common on many GM V8s of this era) Issue 2: Rear main seal leaks (especially on higher mileage examples) Issue 3: Transmission cooler line leaks or internal issues on 4L60-E Issue 4: ABS sensor failures (if equipped) Issue 5: Rust issues, particularly on rockers, cab corners, and bed sides, depending on climate. 📚 Vehicle History Brand Heritage Heritage: GMC has a long history of producing robust trucks and commercial vehicles, known for durability and capability. Model Evolution...