🏷️ Basic Information Identification Make: GMC Model: C1500 Year: 1999 Product Type: Service & Repair Manual Software 👋 Introduction Market Position Target Audience: DIY Enthusiasts, Independent Repair Shops, Vehicle Owners Competitive Analysis Advantage Over Print: More convenient, less expensive than traditional printed manuals, instant access Key Features Licensing: Officially Licensed, derived from OE (Original Equipment) materials Developer: RepairSurge Information Source: Licensed OE information 📋 Manual Details Coverage Areas Manual Coverage Scope: Comprehensive service and repair information Page Count Estimated Page Count: Thousands (Digital format, access-based) Manual Type Manual Category: Factory-Derived Service & Repair Manual Language Language: English Format Digital Format: Online access via web browser Software Delivery: Online access via RepairSurge platform. 📖 Manual Coverage Systems Covered Powertrain: Engine Mechanical, Fuel System, Cooling System, Exhaust System, Drivetrain (Transmission, Axles, Driveshafts) Chassis: Suspension (Front & Rear), Steering System, Brakes (Front & Rear, ABS), Wheels & Tires Electrical: Ignition System, Charging System, Starting System, Lighting, Instrumentation, Power Accessories, Body Electrical, HVAC Electrical, Engine Control Module (ECM) & Powertrain Control Module (PCM) Systems, Diagnostic Trouble Codes (DTCs) Body & Frame: Exterior Body Panels, Doors, Glass, Upholstery, Structural Components, Frame Alignment HVAC: Heating, Ventilation, and Air Conditioning (HVAC) System Components, Refrigerant Handling, Diagnosis & Repair Emission Control: Emission control systems, evaporative emission control (EVAP), EGR systems. Procedures Included Maintenance: Scheduled Maintenance, Fluid Changes, Filter Replacements, Lubrication Diagnostics: Symptom-Based Troubleshooting, Diagnostic Trouble Code (DTC) Interpretation, Component Testing Procedures Repair: Component Removal & Installation, Assembly & Disassembly, Adjustment Procedures, Major Component Overhaul Technical Specifications: Torque Specifications, Clearances, Alignment Data, Electrical Schematics, Component Data Wiring Diagrams: Comprehensive electrical schematics and wiring diagrams for all systems. Troubleshooting Guides: Detailed symptom-based troubleshooting flowcharts. Alignment Specifications: Front and rear suspension alignment specifications and procedures. Technical Depth Depth Of Coverage: Extensive, covering from basic maintenance to complex diagnostics and major repairs Diagnostic Tools: Information relevant to using OBD-II scanners and specialized diagnostic equipment Rebuild Procedures: Includes procedures for engine, transmission, and differential rebuilds. 📊 Manual Specifications File Format Access Method: Web-based, requiring internet connection and browser Print Quality Print Option: Likely printable pages, but designed for digital viewing Binding Type Binding: N/A (Digital Format) Paper Type Paper Quality: N/A (Digital Format) Software Features Compatibility: PC, Laptop, Smartphone, Tablet Access Duration: 1 Year (with discounts for renewal) ⚙️ Engine Specifications Primary Engine Engine Options: 4.3L V6 (Vortec 4300), 5.0L V8 (Vortec 5000), 5.7L V8 (Vortec 5700), 7.4L V8 (Vortec 7400) Performance 4.3L V6 Horsepower: Approx. 200 hp @ 4400 rpm 4.3L V6 Torque: Approx. 260 lb-ft @ 3200 rpm 5.7L V8 Horsepower: Approx. 255 hp @ 4600 rpm 5.7L V8 Torque: Approx. 330 lb-ft @ 2800 rpm Fuel System Fuel Delivery: Sequential Fuel Injection (SFI) Fuel Type: Unleaded gasoline Engine Management Ignition System: Distributorless Ignition System (DIS) or Distributor Ignition (DI) depending on specific variant OBD System: On-Board Diagnostics (OBD-II) compliant PCM. 🔧 Transmission Standard Standard Transmission: 4-speed Automatic (e.g., 4L60-E, 4L80-E) Optional Optional Transmission: 5-speed Manual (e.g., NV3500 for some configurations) Features AWD Options: Available with 4WD (Four Wheel Drive) Fluid Specs Automatic Transmission Fluid: Dexron-III/Mercon compatible fluid (e.g., ACDelco Dexron-III) 📐 Dimensions Exterior Body Styles: Regular Cab, Extended Cab, Crew Cab Bed Lengths: Short Bed (approx. 6.5 ft), Long Bed (approx. 8 ft) Weights Gvwr: Varies by configuration, typically from 6000-7200 lbs for 1500 series 🛡️ Safety Features Ratings NHTSA Frontal Impact Driver: Not explicitly rated for this specific model year and configuration in readily available archives, but generally considered fair for its era. NHTSA Frontal Impact Passenger: Not explicitly rated for this specific model year and configuration in readily available archives. Active Features ABS: Available Anti-lock Braking System (ABS) Passive Features Airbags: Driver-side airbag standard, Passenger airbag optional on some trims. 💡 Technology Features Infotainment Audio System: Factory AM/FM stereo with cassette player and optional CD player. Speaker configurations varied by trim level. Driver Assistance Cruise Control: Available as an option on most trims. Connectivity Onboard Diagnostics: OBD-II compliant system for emissions and engine diagnostics. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000-7,500 miles, depending on oil type and driving conditions (refer to manual for exact recommendations). Tire Rotation Interval: Every 5,000-7,500 miles Coolant Flush Interval: Every 30,000-100,000 miles, depending on coolant type (e.g., traditional green vs. extended life). Fluid Specifications Engine Oil Type: SAE 5W-30 recommended for most engines. Check manual for specific viscosity based on temperature. Engine Coolant Type: Ethylene Glycol based coolant (e.g., Dex-Cool for some later models, but typically traditional green for 1999) mixed with distilled water. Brake Fluid Type: DOT 3 Power Steering Fluid: Dexron-III/Mercon compatible fluid. Gear Oil Differential: API GL-5, SAE 80W-90 (or as specified for limited-slip differentials). Known Issues Common Problems General: Torn exhaust manifold bolts, intake manifold gasket leaks (especially on Vortec engines), worn idler/pitman arms, transmission cooler line leaks, ABS sensor failures. Common Issues Electrical: HVAC blower motor...
Short Bed (approx. 6.5 ft), Long Bed (approx. 8 ft)
Weights
Gvwr:
Varies by configuration, typically from 6000-7200 lbs for 1500 series
🛡️ Safety Features
Ratings
NHTSA Frontal Impact Driver:
Not explicitly rated for this specific model year and configuration in readily available archives, but generally considered fair for its era.
NHTSA Frontal Impact Passenger:
Not explicitly rated for this specific model year and configuration in readily available archives.
Active Features
ABS:
Available Anti-lock Braking System (ABS)
Passive Features
Airbags:
Driver-side airbag standard, Passenger airbag optional on some trims.
💡 Technology Features
Infotainment
Audio System:
Factory AM/FM stereo with cassette player and optional CD player. Speaker configurations varied by trim level.
Driver Assistance
Cruise Control:
Available as an option on most trims.
Connectivity
Onboard Diagnostics:
OBD-II compliant system for emissions and engine diagnostics.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 3,000-7,500 miles, depending on oil type and driving conditions (refer to manual for exact recommendations).
Tire Rotation Interval:
Every 5,000-7,500 miles
Coolant Flush Interval:
Every 30,000-100,000 miles, depending on coolant type (e.g., traditional green vs. extended life).
Fluid Specifications
Engine Oil Type:
SAE 5W-30 recommended for most engines. Check manual for specific viscosity based on temperature.
Engine Coolant Type:
Ethylene Glycol based coolant (e.g., Dex-Cool for some later models, but typically traditional green for 1999) mixed with distilled water.
Brake Fluid Type:
DOT 3
Power Steering Fluid:
Dexron-III/Mercon compatible fluid.
Gear Oil Differential:
API GL-5, SAE 80W-90 (or as specified for limited-slip differentials).
Known Issues
Common Problems General:
Torn exhaust manifold bolts, intake manifold gasket leaks (especially on Vortec engines), worn idler/pitman arms, transmission cooler line leaks, ABS sensor failures.
Common Issues Electrical:
HVAC blower motor resistor failure, dashboard gauge cluster issues, power window motor failure.
📚 Vehicle History
Brand Heritage
Gmc Truck Legacy:
GMC has a long history of producing robust and capable trucks, emphasizing professional-grade performance.
Model Evolution
Third Generation C K:
The 1999 C1500 is part of the GMT400 platform, a highly successful third generation of GM's C/K truck line, known for its aerodynamic styling and improved ride quality.
Production
Platform:
GMT400
🏆 Awards & Recognition
Recognitions
Truck Of The Year Awards:
While specific awards for the 1999 C1500 are not a primary focus of its legacy, the GMT400 platform as a whole was highly regarded for its robust build and capability, contributing to GMC's reputation.
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