GMC Yukon 2000-2006 4.8L Engine Specifications
Explore the detailed 4.8L engine specifications for the 2000-2006 GMC Yukon. Learn about performance, maintenance, and compatibility for this reliable engine. Perfect for mechanics and Yukon owners.
Overview Specifications
This document provides detailed specifications and technical information about the 4.8L engine used in the 2000-2006 GMC Yukon. It is designed to help users understand the engine's features, performance, and maintenance requirements. The sections are organized to make it easy to find specific information, whether you're a mechanic, enthusiast, or owner. Use the search and navigation instructions to quickly locate the details you need.
How to Use
Use the search function to find specific terms or phrases related to the 4.8L engine. Enter keywords such as 'horsepower' or 'torque' to quickly locate relevant information.
Navigate through the document by clicking on the section titles in the table of contents. Each section is divided into subsections for easy access to specific details about the engine.
Key Specifications
Displacement
4.8L
Horsepower
285 hp
Torque
295 lb-ft
Fuel Efficiency (City)
14 MPG
Fuel Efficiency (Highway)
18 MPG
Available Specifications
Engine Performance
This section covers the performance characteristics of the 4.8L engine, including horsepower, torque, and fuel efficiency. It also provides details on how the engine delivers power and responds under different driving conditions.
Engine Performance
This section covers the performance characteristics of the 4.8L engine, including horsepower, torque, and fuel efficiency. It also provides details on how the engine delivers power and responds under different driving conditions.
Horsepower and Torque
- Horsepower: 285 hp @ 5200 rpm
- Torque: 295 lb-ft @ 4000 rpm
- Power delivery is smooth and consistent
- Optimized for both city and highway driving
Fuel Efficiency
- EPA estimated city MPG: 14
- EPA estimated highway MPG: 18
- Designed for balanced performance and efficiency
- Uses advanced fuel injection technology
Engine Design
This section focuses on the engineering and design features of the 4.8L engine. It includes details on the engine's construction, materials, and technologies that contribute to its reliability and performance.
Engine Design
This section focuses on the engineering and design features of the 4.8L engine. It includes details on the engine's construction, materials, and technologies that contribute to its reliability and performance.
Construction and Materials
- Cast iron engine block for durability
- Aluminum cylinder heads for reduced weight
- Hydraulic roller lifters for smooth operation
- High-strength forged steel crankshaft
Advanced Technologies
- Sequential fuel injection for precise fuel delivery
- Electronic throttle control for responsive acceleration
- Distributorless ignition system for reliability
- Variable valve timing for optimized performance
Maintenance and Service
This section provides information on maintaining and servicing the 4.8L engine. It includes recommended service intervals, common maintenance tasks, and tips for ensuring the engine's longevity.
Maintenance and Service
This section provides information on maintaining and servicing the 4.8L engine. It includes recommended service intervals, common maintenance tasks, and tips for ensuring the engine's longevity.
Service Intervals
- Oil change every 3,000 to 5,000 miles
- Spark plug replacement every 100,000 miles
- Air filter replacement every 15,000 miles
- Timing chain inspection every 60,000 miles
Common Maintenance Tasks
- Regularly check and top off engine oil
- Inspect and replace worn belts and hoses
- Monitor coolant levels and condition
- Clean or replace fuel injectors as needed
Search Specifications
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Engine Specifications
Overview
- Type
- V8
- Configuration
- 90-degree V
- Platform
- GM LS
- Material
- Aluminum block and heads
- Location
- Front-engine, rear-wheel drive
Dimensions
- Length
- 29.5 inches (749 mm)
- Width
- 27.6 inches (701 mm)
- Height
- 28.3 inches (719 mm)
- Weight
- 450 lbs (204 kg)
- Displacement
- 293 cubic inches (4800 cc)
- Bore
- 3.78 inches (96 mm)
- Stroke
- 3.27 inches (83 mm)
Materials
- Engine Block
- Aluminum alloy
- Cylinder Heads
- Aluminum alloy
- Pistons
- Forged aluminum
- Crankshaft
- Forged steel
- Connecting Rods
- Powdered metal
Features
- Ignition System
-
- Coil-near-plug ignition
- Electronic spark timing
- High-energy spark plugs
- Fuel System
-
- Sequential fuel injection
- Returnless fuel system
- 58 psi fuel pressure
- Cooling System
-
- High-flow water pump
- Dual electric fans
- Thermostatic control
- Emissions Control
-
- Catalytic converters
- EGR system
- EVAP system
- Performance
-
- 285 horsepower
- 295 lb-ft torque
- 6000 RPM redline
Safety Features
- Engine Management
-
- Knock sensor system
- Over-rev protection
- Low-oil-pressure shutdown
- Cooling System
-
- High-temperature warning
- Coolant level sensor
Comfort Features
- Noise Reduction
-
- Acoustic engine cover
- Hydraulic engine mounts
- Vibration Control
-
- Balanced crankshaft
- Dual-mass flywheel
Accessories
- Electrical System
-
- 140-amp alternator
- Cold-cranking battery
- Starter motor
- intake System
-
- High-flow air filter
- Resonator chamber
- Mass airflow sensor
- Exhaust System
-
- Stainless steel headers
- Dual exhaust pipes
- Mufflers
Maintenance
- Service interval
- Every 7,500 miles or 6 months
- Service Items
-
- Oil and filter change
- Air filter inspection
- Spark plug replacement
- Belt and hose inspection
- Coolant system flush
- Maintenance Notes
- Use synthetic 5W-30 oil, replace fuel filter every 30,000 miles
Warranty
- Bumper To Bumper
- Years: 3Miles: 36000Coverage: Comprehensive coverage for defects
- Powertrain
- Years: 5Miles: 60000Coverage: Engine and transmission components
- Emissions
- Years: 8Miles: 80000Coverage: Federal emissions components
- Corrosion
- Years: 6Miles: 100000Coverage: Perforation from corrosion
Production Details
- Manufacturer
- General Motors
- Manufacturing Process
-
- Precision casting
- CNC machining
- Automated assembly
- Quality Control
- Dimensional Checks: Laser measurementPressure Testing: Cylinder leak-down testPerformance Testing: Dyno testing
- Sustainability Practices
-
- Recycled aluminum
- Water-based paints
- Energy-efficient machining
- Production Metrics
- Units Per Day: 500Defect Rate: 0.1%Energy Usage: 2.5 kWh per engine
Service Information for 4.8l engine Service
Maintenance and service requirements specific to this component
- Oil and filter change
- Inspect air filter
- Check belt tension
- Inspect cooling system
- Check engine mounts
Use synthetic 5W-30 oil for optimal performance
- Replace air filter
- Inspect spark plugs
- Check fuel system pressure
- Inspect exhaust system
- Test battery condition
Perform fuel system pressure test with special gauge
- Replace spark plugs
- Replace fuel filter
- Flush cooling system
- Inspect timing chain
- Check compression
Use only AC Delco or equivalent parts for replacement
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 4.8L engine compatible with all 2000-2006 GMC Yukon models?
Is the 4.8L engine compatible with all 2000-2006 GMC Yukon models?
The 4.8L V8 engine is compatible with most 2000-2006 GMC Yukon models, including the Yukon, Yukon XL, and Yukon Denali. However, compatibility may vary based on trim levels and optional configurations. Always verify the vehicle's VIN and consult the service manual to ensure compatibility. This engine produces 285 horsepower and 295 lb-ft of torque, making it suitable for both standard and heavy-duty applications.
Q2 What are the maintenance requirements for the 4.8L engine?
What are the maintenance requirements for the 4.8L engine?
The 4.8L engine requires regular maintenance to ensure optimal performance. Key tasks include oil changes every 3,000-5,000 miles, air filter replacement every 15,000 miles, and spark plug replacement every 100,000 miles. Inspect the timing chain, coolant, and belts periodically. Follow the manufacturer's recommended schedule for fluid flushes and system checks to prevent wear and extend the engine's lifespan.
Q3 How do I replace the 4.8L engine in a 2000-2006 GMC Yukon?
How do I replace the 4.8L engine in a 2000-2006 GMC Yukon?
To replace the 4.8L engine, disconnect the battery, drain fluids, and remove the engine accessories. Unbolt the transmission and detach the engine mounts. Use an engine hoist to lift the engine out carefully. Install the new engine by reversing the process, ensuring proper alignment of components. Torque all bolts to specifications, refill fluids, and test the engine for leaks and performance before driving.
Q4 What are common issues with the 4.8L engine, and how can I troubleshoot them?
What are common issues with the 4.8L engine, and how can I troubleshoot them?
Common issues include oil leaks, misfires, and reduced performance. For oil leaks, inspect the valve cover gaskets and oil pan. Misfires may result from faulty spark plugs or ignition coils—replace these components as needed. Reduced performance could indicate clogged fuel injectors or a failing fuel pump. Use a diagnostic scanner to identify trouble codes and address issues promptly.
Q5 How can I optimize the performance of the 4.8L engine?
How can I optimize the performance of the 4.8L engine?
To optimize performance, use high-quality synthetic oil and fuel additives. Upgrade the air intake and exhaust systems for better airflow. Perform regular tune-ups, including spark plug and ignition coil replacements. Consider a performance chip or ECU remap for improved throttle response and horsepower. Maintain proper tire pressure and reduce vehicle weight for enhanced efficiency.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2000-2006 GMC Yukon Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and technical specifications for the 4.8L engine and other components.
Technical Service Bulletin for 4.8L Engine Updates
Coming SoonBulletin detailing common issues, recalls, and updates for the 4.8L engine in 2000-2006 GMC Yukon models.
GMC Yukon Parts and Accessories Catalog
Coming SoonCatalog listing OEM and aftermarket parts, including those for the 4.8L engine, with compatibility information.
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Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
- Vehicle specifications and procedures may vary by model year, trim level, and region.
- Always follow the manufacturer's recommended procedures and safety precautions.
- Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
- If you're unsure about any procedure, consult a qualified professional mechanic.
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