2007 GMC Sierra Denali 6.2 Engine Specifications
The 2007 GMC Sierra Denali is a premium full-size pickup truck that combines luxury with robust performance. At the heart of this vehicle is the powerful 6.2-liter V8 engine, known for its impressive capabilities and reliability. Below are the detailed specifications of the 6.2 engine.
| Specification | Details |
|---|---|
| Engine Type | 6.2L V8 |
| Displacement | 376 cubic inches |
| Horsepower | 403 hp @ 5,700 rpm |
| Torque | 417 lb-ft @ 4,300 rpm |
| Compression Ratio | 10.5:1 |
| Fuel System | Electronic Fuel Injection (EFI) |
| Fuel Type | Regular unleaded (87 octane) recommended; premium (91 octane) for optimal performance |
| Transmission | 6-speed automatic |
| Drivetrain | All-wheel drive (AWD) |
| Maximum Towing Capacity | 10,500 lbs |
| Fuel Economy (City/Highway) | 12/18 mpg |
Engine Configuration
The 6.2-liter V8 engine in the 2007 GMC Sierra Denali is designed for both power and efficiency. It features a robust configuration that enhances performance while maintaining a smooth driving experience.
Key Features of the Engine Configuration
- V8 configuration with a 90-degree angle between the cylinder banks.
- Aluminum alloy engine block for reduced weight and improved thermal efficiency.
- DOHC (Dual Overhead Camshaft) design for better airflow and performance.
- Variable Valve Timing (VVT) for enhanced fuel efficiency and reduced emissions.
- Cast iron cylinder heads for durability and strength.
The engine’s design allows for a balance of power and efficiency, making it suitable for both everyday driving and heavy-duty tasks. The 6.2-liter engine is known for its smooth power delivery and responsiveness, providing a satisfying driving experience.
Engine Oil Specifications
Proper maintenance of the engine oil is crucial for the longevity and performance of the 2007 GMC Sierra Denali’s 6.2 engine. Below are the recommended engine oil specifications.
| Specification | Details |
|---|---|
| Oil Type | SAE 5W-30 |
| Oil Capacity (with filter) | 8 quarts (7.6 liters) |
| Oil Filter | AC Delco PF48E or equivalent |
Oil Change Intervals
The frequency of oil changes is essential for maintaining engine health. The following intervals are recommended:
- Every 5,000 miles or 6 months, whichever comes first, for regular driving conditions.
- Every 3,000 miles or 3 months for severe driving conditions (towing, off-road driving, extreme temperatures).
Service Intervals
In addition to regular oil changes, other service intervals should be adhered to in order to keep the 2007 GMC Sierra Denali running smoothly.
Recommended Service Intervals
- Air Filter Replacement: Every 15,000 miles or as needed.
- Fuel Filter Replacement: Every 30,000 miles.
- Spark Plug Replacement: Every 100,000 miles.
- Transmission Fluid Change: Every 50,000 miles.
- Coolant Flush: Every 100,000 miles.
Additional Maintenance Tips
To ensure optimal performance and longevity of the engine, consider the following maintenance tips:
- Regularly check and maintain proper tire pressure for better fuel efficiency.
- Inspect brake pads and rotors periodically for wear and tear.
- Keep the engine clean and free from debris to prevent overheating.
- Monitor fluid levels (brake fluid, coolant, transmission fluid) regularly.
Conclusion
The 2007 GMC Sierra Denali with its 6.2-liter V8 engine offers a blend of power, luxury, and utility. Understanding the engine specifications, configuration, and maintenance requirements is essential for any owner looking to maximize the performance and lifespan of their vehicle. By adhering to recommended service intervals and using the correct engine oil, drivers can ensure their Sierra Denali remains a reliable and powerful companion on the road.
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