🏷️ Basic Information Identification Make: GMC Model: Suburban Year: 1999 Generation Generation: GMC Suburban (GMT800) 📋 Manual Details Availability Manual Type: Owner's Manual Format: PDF Download Type: Instant Download Content Language: English Source: Original GMC Factory Cost: $2.99 Software Requirements Required Software: PDF Reader (e.g., Acrobat Reader, Foxit) Coverage Included Sections: Introduction, Instrument Cluster, Entertainment Systems, Climate Controls, Lights, Driver Controls, Locks and Security, Seating and Safety Restraints, Driving, Customer Assistance, Reporting safety defects, Cleaning, Maintenance and Specifications, Engine compartment, Engine oil, Battery, Fuel information, Air filter(s), Part numbers, Refill capacities, Lubricant specifications, Accessories ⚙️ Engine Specifications Engine Option 1 Engine Type: Vortec 5.7L V8 (L31) Displacement: 5.7 L Power: 255 hp @ 4600 rpm Torque: 330 lb-ft @ 2800 rpm Engine Option 2 Engine Type: Vortec 7.4L V8 (L29) Displacement: 7.4 L Power: 300 hp @ 4000 rpm Torque: 447 lb-ft @ 3200 rpm 🔧 Transmission Transmission Option 1 Type: 4-speed automatic Model: 4L60-E Transmission Option 2 Type: 4-speed automatic Model: 4L80-E 📐 Dimensions Overall Length: 220.5 inches Width: 79.7 inches Height: 75.7 inches Weight Curb Weight Approx: 5,500-6,000 lbs (depending on configuration) 🔧 Maintenance Oil Engine Oil Type: API Service SG, SH, SJ, or later Engine Oil Capacity 5.7L: 5.5 quarts (with filter) Engine Oil Capacity 7.4L: 7.0 quarts (with filter) Fuel Fuel Type: Unleaded gasoline Fuel Octane Rating: 87 octane (minimum) Fluid Capacities Coolant Capacity: Approximately 16-18 quarts (depending on engine) Transmission Fluid Type: Dexron-III Brake Fluid Type: DOT 3 Lubricant Specs Chassis Lubricant: NLGI #2 Lithium Grease Air Filter Air Filter Part Number System: Refer to manual for specific part numbers based on engine and VIN 📄 Features Interior Seating Capacity: Up to 9 passengers Safety Airbags: Driver and front passenger airbags Lighting Headlights: Halogen Comfort Climate Control Type: Manual or Automatic Climate Control Security Anti Theft System: Factory-installed alarm system and immobilizer 📄 Towing Hauling Towing Capacity Max Towing Capacity: Up to 7,700 lbs (with proper equipment and configuration) Payload Capacity Max Payload Capacity: Approximately 1,500-2,000 lbs (depending on configuration)