🏷️ Basic Information Identification Make: GMC Model: C1500 Suburban Year: 1994 Vehicle Type: Full-Size SUV Generation Generation Designation: GMT400 (Third Generation) Codes Chassis Code: GMT430 👋 Introduction Market Position Target Audience: DIY enthusiasts, independent repair shops, fleet maintenance personnel Competitive Analysis Advantage Over Print: Instant access, enhanced searchability, ease of use on modern devices, cost-effectiveness compared to some print versions. Key Features Information Source: Licensed, factory-derived OE (Original Equipment) materials Software Provider: RepairSurge 📋 Manual Details Coverage Areas Systems Covered: Engine, Transmission, Drivetrain, Suspension, Steering, Brakes, Electrical System, HVAC, Body & Chassis, Fuel System, Cooling System, Exhaust System, Diagnostic Procedures, Maintenance Schedules, Troubleshooting Page Count Estimated Page Count: Extensive (Specific number not provided, but implies comprehensive factory-level detail) Manual Type Manual Type: Service and Repair Manual Software Language Language: English Format Format: Digital (Online Access, PC, Laptop, Smartphone, Tablet compatible) Licensing Licensing: Officially Licensed, OE Material Derived 📖 Manual Coverage Systems Covered Engine Management: Detailed diagnosis and repair for engine control systems, sensors, actuators, and ignition. Drivetrain Components: Covers front and rear differentials, transfer case (if applicable), driveshafts, and CV joints. Brake System: Includes diagnosis and repair of ABS (if equipped), hydraulic components, calipers, rotors, and brake lines. Steering And Suspension: Covers power steering system, steering columns, control arms, ball joints, tie rods, springs, shocks, and sway bars. Electrical And Lighting: Detailed wiring diagrams, component testing, lighting systems, power windows, locks, and mirrors. HVAC System: Repair and diagnosis of heating, ventilation, and air conditioning systems, including refrigerant handling. Body And Chassis: Information on body panel removal, interior trim, glass, doors, and chassis components. Procedures Included Preventive Maintenance: Includes recommended service intervals for oil changes, filter replacements, fluid checks, and tune-ups. Troubleshooting Guides: Systematic approaches to diagnose common and complex problems with flowcharts and symptom-based guidance. Repair Procedures: Step-by-step instructions for major component overhauls, replacements, and adjustments. Diagnostic Testing: Detailed procedures for testing sensors, actuators, and electrical circuits using multimeters and scan tools. Component Replacement: Guidance on replacing parts such as water pumps, alternators, fuel injectors, and brake pads. Technical Depth Diagnostic Capability: Advanced diagnostic procedures for identifying underlying causes of performance issues and fault codes. Rebuild Instructions: Detailed specifications and procedures for engine and transmission rebuilds. Wiring Diagrams Detail: Comprehensive, color-coded wiring diagrams for all major systems, including pinouts and connector descriptions. 📊 Manual Specifications File Format Access Method: Web Browser Access Device Compatibility: PC, Laptop, Smartphone, Tablet Print Quality Print Capability: Printable pages (user dependent) Binding Type Binding Type: N/A (Digital) Paper Type Paper Type: N/A (Digital) Access Duration Access Duration: 1 Year (with discounts for renewal) ⚙️ Engine Specifications Primary Engine Engine Options: 5.0L (305 ci) V8 (L03), 5.7L (350 ci) V8 (L05), 7.4L (454 ci) V8 (L19 - less common in C1500 Suburban, more in K2500/3500 models, but relevant to overall platform) Performance 5.7L V8 Horsepower Estimated: Approx. 200-210 HP 5.7L V8 Torque Estimated: Approx. 300-310 lb-ft Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) - Throttle Body Injection (TBI) for 5.0L, Multi-Port Fuel Injection (MPFI) for 5.7L and 7.4L Engine Management Engine Control Module: ECM/ECU with OBD-I diagnostic capabilities 🔧 Transmission Standard Transmission Options: 4-speed Automatic Transmission (e.g., 4L60E for 5.0L/5.7L, 4L80E for heavier duty applications) Optional Manual Transmission Availability: Not typically offered or very rare for this specific model year Suburban. Features Transmission Features: Electronic control, overdrive gear for fuel efficiency on highway. Fluid Specification Transmission Fluid Type: Dexron-III Automatic Transmission Fluid (ATF) 📐 Dimensions Exterior Wheelbase: 130 inches (3302 mm) Length: Approx. 213 inches (5410 mm) Width: Approx. 79.8 inches (2027 mm) Height: Approx. 72.1 inches (1831 mm) Weights Curb Weight Est: Approx. 4700-5200 lbs (2132-2359 kg) Gross Vehicle Weight Rating Gvw: Typically around 6400-7000 lbs (2903-3175 kg) depending on configuration 🛡️ Safety Features Ratings NHTSA Crash Test Rating 1994: Not directly comparable to modern standards, but representative of 1990s SUV safety. Active Features ABS Availability: Optional Anti-lock Braking System (ABS) on rear wheels, or 4-wheel ABS. Passive Features Airbag Availability: Driver-side airbag standard. Seat Belts: Three-point seat belts for front occupants, lap belts for rear occupants. 💡 Technology Features Infotainment Audio System: Factory AM/FM/Cassette player, optional CD player. Basic analog controls. Driver Assistance Cruise Control: Standard or optional depending on trim level. Connectivity Onboard Diagnostics: OBD-I system for basic engine diagnostics, requiring specific diagnostic tools or procedures for readout. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000 miles or 3 months (using conventional oil), or longer with synthetic oil as per manufacturer recommendation in manual. Tune Up Interval: Spark plug replacement every 30,000-60,000 miles depending on plug type. Transmission Fluid Service: Recommended every 30,000-50,000 miles or as per severe service schedule. Fluid Specifications Engine Oil Type: API Certified SAE 5W-30 or 10W-30 (check specific engine and climate conditions) Coolant Type: Ethylene Glycol based, typically a green coolant. Consult manual for specific...