Basic Information Identification Make: Chevrolet Model: K2500 Suburban Year: 1994 Generation Generation Designation: GMC/Chevrolet GMT400 (Third Generation) Codes Platform Code: GMT400 Introduction Market Position Positioning: Essential DIY and professional repair resource for the 1994 Chevrolet K2500 Suburban. Competitive Analysis Comparison: Superior to outdated printed manuals due to instant access, searchability, and digital convenience. Licensed OE data ensures accuracy over unofficial third-party guides. Key Features Licensing: Officially licensed and derived from OE (Original Equipment) materials. Access: Full year of access with potential for renewal discounts. Instant download. Compatibility: Compatible with PC, laptop, smartphone, and tablet via web browser. Content Source: Developed by RepairSurge using licensed OE information. Manual Details Coverage Areas Primary Coverage: 1994 Chevrolet K2500 Suburban Secondary Coverage: Related GMT400 platform components and systems applicable to the K2500 Suburban Page Count Estimated Page Count: 1000+ Manual Type Type: Service and Repair Manual Software Language Language: English Format Format: PDF Download (Software) Manual Coverage Systems Covered Engine: Vortec 5.7L (350 cu in) V8, 7.4L (454 cu in) V8 Drivetrain: 4-wheel drive (4WD) system, transfer case, axles, differentials, driveshafts Transmission: 4L60E (4-speed automatic), NV4500 (5-speed manual - likely optional) Brakes: Front disc, rear drum, ABS system (if equipped) Suspension: Front independent torsion bar, rear solid axle with leaf springs Steering: Power steering system, steering column Cooling System: Radiator, fan, water pump, thermostat, coolant passages Fuel System: Fuel pump, injectors, fuel filter, fuel tank, evaporative emissions Electrical System: Battery, charging system (alternator), starting system, ignition system, lighting, wiring diagrams, fuses, relays HVAC: Heating, Ventilation, and Air Conditioning (HVAC) system components and service Body And Frame: Body panels, doors, windows, interior trim, frame structure, chassis components Procedures Included Maintenance: Oil change, filter replacement, fluid checks and changes, tune-ups, lubrication Diagnostics: Troubleshooting guides for common issues, diagnostic trouble codes (DTCs), symptom-based diagnostics Repair: Detailed step-by-step repair procedures for all major systems and components Overhaul: Engine, transmission, and differential overhaul procedures Electrical Diagnostics: Wiring diagrams, component testing, troubleshooting electrical faults Component Replacement: Brake pads, rotors, calipers, suspension arms, shock absorbers, steering components, exhaust system, engine accessories Technical Depth Depth: Comprehensive factory-level repair and diagnostic information Manual Specifications File Format File Type: PDF (Digital Download) Print Quality Quality: High-resolution, digitally sourced OE material Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) Engine Specifications Primary Engine Engine Code 1: L31 Engine Displacement 1: 5.7 L (350 cu in) Engine Type 1: V8, Overhead Valves (OHV) Horsepower 1: Approx. 200-215 hp @ 4000 rpm (Varies slightly based on specific configuration) Torque 1: Approx. 310-330 lb-ft @ 2400 rpm (Varies slightly) Optional Engine Engine Code 2: L29 Engine Displacement 2: 7.4 L (454 cu in) Engine Type 2: V8, Overhead Valves (OHV) Horsepower 2: Approx. 230 hp @ 3600 rpm Torque 2: Approx. 380 lb-ft @ 2400 rpm Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) - Throttle Body Injection (TBI) for 5.7L, Multi-port Fuel Injection (MPFI) for 7.4L. Transmission Automatic Automatic Transmission: 4L60E Automatic Gears: 4-speed automatic Manual Manual Transmission: NV4500 (likely optional) Manual Gears: 5-speed manual Features Transfer Case: NP241C (2.72:1 low range gear ratio, part-time 4WD) Dimensions Exterior Wheelbase: 130.0 inches Length: 219.1 inches Width: 77.0 inches Height: 72.1 inches Weights Curb Weight: Approx. 5000-5500 lbs (Varies with engine and options) Gross Vehicle Weight Rating: 7200 lbs (K2500) Safety Features Ratings NHTSA Driver Side Impact: Not directly available for this specific year/model in a readily comparable format to modern standards. GM vehicles of this era generally focused on structural integrity and passive restraints. Active Features ABS: Anti-lock Braking System (ABS) available as an option. Passive Features Seatbelts: Front and rear seat belts. Airbags: Driver-side airbag standard. Technology Features Infotainment Audio System: Factory AM/FM cassette player with optional CD player. Speaker configuration varied by trim. Driver Assistance Cruise Control: Standard or optional depending on trim level. Connectivity Connectivity Features: Limited by modern standards. Primarily analog systems. Maintenance Service Intervals Oil Change Interval: Every 3,000-5,000 miles or 3-6 months, depending on driving conditions (refer to manual for exact OE recommendation). Transmission Fluid Change: Every 30,000-60,000 miles for automatic transmission (refer to manual). Coolant Change: Every 30,000-50,000 miles or 2-3 years. Spark Plugs: Typically 60,000-100,000 miles for high-quality replacement plugs, original likely shorter. Fluid Specifications Engine Oil: API SG or SH rated, SAE 5W-30 or 10W-30 (check manual for specific weight based on temperature). Automatic Transmission Fluid: Dexron III (or equivalent) Coolant: Ethylene glycol-based antifreeze/coolant, typically a 50/50 mix with distilled water. Green color for this era. Known Issues Common Problems: 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). Vehicle History Brand Heritage Heritage: Chevrolet has a long history of producing robust trucks and SUVs, with the Suburban being a pioneering full-size SUV known for its utility and passenger...