GMC Yukon 2007-2014 4.8L Engine Specifications
Explore the detailed 4.8L engine specifications for the 2007-2014 GMC Yukon. This guide covers horsepower, torque, fuel system, and more, providing essential information for maintenance, repairs, and upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the 4.8L engine used in the 2007-2014 GMC Yukon. It is designed to assist users in understanding the engine's features, performance, and maintenance requirements. The content is organized into sections for easy navigation, and a quick reference guide is included for key specifications. Use the search and navigation instructions to find specific details efficiently.
How to Use
To search for specific terms or topics, use the search bar located at the top of the page. Enter keywords related to the 4.8L engine, such as 'horsepower' or 'torque', to quickly locate relevant information.
To navigate through the document, use the table of contents to jump to major sections. Each section is divided into subsections with detailed points, making it easy to find specific technical details about the 4.8L engine.
Key Specifications
Displacement
4.8L
Horsepower
295 HP
Torque
305 lb-ft
Fuel Type
Gasoline
Cylinders
8
Available Specifications
Engine Performance
This section covers the performance characteristics of the 4.8L engine, including horsepower, torque, and fuel efficiency. It also discusses the engine's capabilities in various driving conditions and its overall reliability.
Engine Performance
This section covers the performance characteristics of the 4.8L engine, including horsepower, torque, and fuel efficiency. It also discusses the engine's capabilities in various driving conditions and its overall reliability.
Horsepower and Torque
- 295 horsepower at 5600 RPM
- 305 lb-ft of torque at 4600 RPM
- Optimized for towing and hauling
- Responsive acceleration in all conditions
Fuel Efficiency
- 15 MPG in the city
- 21 MPG on the highway
- Flex-fuel capability
- Efficient combustion system
Engine Design
This section delves into the design features of the 4.8L engine, including its construction, materials, and technologies used to enhance performance and durability.
Engine Design
This section delves into the design features of the 4.8L engine, including its construction, materials, and technologies used to enhance performance and durability.
Construction and Materials
- Cast iron engine block
- Aluminum cylinder heads
- Forged steel crankshaft
- High-strength connecting rods
Advanced Technologies
- Variable valve timing
- Electronic throttle control
- Multi-port fuel injection
- Integrated exhaust manifold
Maintenance and Service
This section provides essential information on maintaining the 4.8L engine, including recommended service intervals, common maintenance tasks, and tips for ensuring longevity.
Maintenance and Service
This section provides essential information on maintaining the 4.8L engine, including recommended service intervals, common maintenance tasks, and tips for ensuring longevity.
Service Intervals
- Oil change every 7,500 miles
- Air filter replacement every 30,000 miles
- Spark plug replacement every 100,000 miles
- Coolant flush every 150,000 miles
Common Maintenance Tasks
- Regular inspection of belts and hoses
- Checking and maintaining proper fluid levels
- Monitoring engine performance for irregularities
- Cleaning or replacing the fuel injectors
Search Specifications
Search by specification name, value, or description
Type to search through torque specifications. Results will appear below as you type.
Engine Specifications
Overview
- Type
- V8
- Configuration
- Naturally Aspirated
- Platform
- GM Vortec
- Material
- Cast Iron Block
- Location
- Front Longitudinal
Dimensions
- Bore
- 3.78 in (96 mm)
- Stroke
- 3.27 in (83 mm)
- Displacement
- 293 cu in (4.8 L)
- Length
- 27.5 in (698.5 mm)
- Width
- 25.6 in (650.2 mm)
- Height
- 28.3 in (718.8 mm)
- Weight
- 450 lbs (204 kg)
Materials
- Engine Block
- Cast Iron
- Cylinder Head
- Aluminum
- Pistons
- Aluminum Alloy
- Crankshaft
- Forged Steel
- Valves
- Stainless Steel
Features
- Fuel System
-
- Sequential Fuel Injection
- Electronic Throttle Control
- Returnless Fuel System
- Ignition System
-
- Coil-Near-Plug Ignition
- Electronic Spark Timing
- Knock Sensor System
- Cooling System
-
- Liquid Cooled
- Electric Cooling Fan
- High-Flow Water Pump
- Emission Control
-
- Catalytic Converter
- Exhaust Gas Recirculation (EGR)
- Evaporative Emission Control
- Performance
-
- Variable Valve Timing
- High-Flow Intake Manifold
- Optimized Exhaust System
Safety Features
- Engine Protection
-
- Low Oil Pressure Shutoff
- Overheat Protection
- Fail-Safe Cooling
- Emission Control
-
- OBD-II Diagnostics
- Misfire Detection
Comfort Features
- Noise Reduction
-
- Acoustic Engine Covers
- Hydraulic Engine Mounts
- Vibration Control
-
- Balanced Crankshaft
- Dual-Mass Flywheel
Accessories
- Standard Features
-
- Alternator
- Starter Motor
- Power Steering Pump
- Optional Features
-
- Heavy-Duty Cooling System
- Upgraded Air Intake
- Performance Exhaust
Maintenance
- Service interval
- Every 7,500 miles or 6 months
- Service Items
-
- Oil and Filter Change
- Spark Plug Replacement
- Air Filter Inspection
- Coolant Level Check
- Belt and Hose Inspection
- Maintenance Notes
- Use synthetic oil for extended intervals. Check for leaks regularly.
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper-to-Bumper
- Powertrain
- Miles: 100,000Years: 5Coverage: Engine and Transmission
- Corrosion
- Miles: UnlimitedYears: 6Coverage: Perforation Only
- Emissions
- Miles: 50,000Years: 4Coverage: Federal Emission Components
Production Details
- Manufacturer
- General Motors
- Manufacturing Process
-
- Casting
- Machining
- Assembly
- Testing
- Quality Control
- inspection: 100% Engine TestingTolerances: ISO 9001 Certified
- Sustainability Practices
-
- Recycled Materials
- Energy-Efficient Manufacturing
- Waste Reduction Programs
- Production Metrics
- Units Per Year: 250,000Defect Rate: 0.01%
Service Information for 4.8l engine Service
Maintenance and service requirements specific to this component
- Oil and Filter Change
- Inspect Belts and Hoses
- Check Fluid Levels
- Inspect Spark Plugs
- Check Air Filter
Use synthetic oil for best performance.
- Replace Spark Plugs
- Inspect Ignition System
- Check Emission System
- Replace Air Filter
- Inspect Fuel System
Ensure all connections are secure and clean.
- Replace Timing Chain
- Inspect Water Pump
- Replace Serpentine Belt
- Check Engine Mounts
- Perform Compression Test
Major service requires specialized tools and expertise.
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 4.8L engine compatible with all 2007-2014 GMC Yukon models?
Is the 4.8L engine compatible with all 2007-2014 GMC Yukon models?
The 4.8L engine is compatible with most 2007-2014 GMC Yukon models, including the base and SLT trims. However, it is not available in the Denali trim, which uses a larger 6.2L engine. Always verify the vehicle’s VIN and engine code before purchasing or installing parts to ensure compatibility. The 4.8L engine is designed for gasoline and adheres to emissions standards for those model years.
Q2 What maintenance does the 4.8L engine require?
What maintenance does the 4.8L engine require?
The 4.8L engine requires regular maintenance, including oil changes every 5,000-7,500 miles, air filter replacement every 15,000 miles, and spark plug replacement every 100,000 miles. Additionally, inspect the timing chain, coolant, and belts periodically. Adhering to the manufacturer’s maintenance schedule ensures optimal performance and longevity. Use recommended fluids and parts to avoid engine damage.
Q3 How do I replace the 4.8L engine in a GMC Yukon?
How do I replace the 4.8L engine in a GMC Yukon?
Replacing the 4.8L engine involves disconnecting the battery, draining fluids, and removing components like the intake manifold, exhaust system, and wiring harness. Use an engine hoist to lift the old engine out and lower the new one in. Reconnect all components, refill fluids, and test for leaks. Consult the service manual for detailed torque specifications and safety precautions.
Q4 What are common issues with the 4.8L engine?
What are common issues with the 4.8L engine?
Common issues include oil leaks from the valve cover gasket, rough idling due to faulty spark plugs or ignition coils, and reduced power from clogged fuel injectors. Diagnose issues by checking error codes with an OBD-II scanner, inspecting for leaks, and testing components. Regular maintenance can prevent many of these problems and ensure smooth operation.
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, upgrade the air intake system, and install a performance exhaust. Regularly clean the throttle body and fuel injectors. Tuning the engine control module (ECM) can also improve horsepower and torque. Ensure all modifications comply with local emissions regulations and do not void the vehicle’s warranty.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2007-2014 GMC Yukon Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and troubleshooting for the 4.8L engine and other components.
Technical Service Bulletin: 4.8L Engine Updates
Coming SoonInformation on service updates, recalls, and technical improvements for the 4.8L engine.
GMC Yukon Parts and Accessories Guide
Coming SoonCatalog of OEM and aftermarket parts compatible with the 4.8L engine and 2007-2014 Yukon models.
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Important information about using this content
Always refer to your vehicle's service manual and take appropriate safety precautions when performing any maintenance or repairs.
General Information
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The content on this website is provided "as is" without any representations or warranties, express or implied. We make no representations or warranties regarding the accuracy, completeness, or availability of the information.
We shall not be liable for any direct, indirect, special, or consequential damages arising from the use of information on this website.
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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