2007 GMC Sierra 2500HD Engine Overview
The 2007 GMC Sierra 2500HD is a robust heavy-duty truck designed for both work and leisure. One of its standout features is the powerful 6.6L V8 diesel engine, which offers impressive performance and efficiency. This article delves into the specifications of this engine, its configuration, oil specifications, and recommended service intervals.
Engine Specifications
The 6.6L V8 diesel engine in the 2007 GMC Sierra 2500HD is known for its durability and power. Below is a detailed specifications chart for this engine.
| Specification | Details |
|---|---|
| Engine Type | 6.6L V8 Diesel |
| Displacement | 403 cubic inches |
| Horsepower | 360 hp @ 3,000 RPM |
| Torque | 660 lb-ft @ 1,600 RPM |
| Fuel System | Direct Injection |
| Compression Ratio | 16.8:1 |
| Turbocharger | Yes, Variable Geometry Turbocharger |
| Transmission Options | 6-Speed Automatic |
| Max Towing Capacity | Up to 13,000 lbs (conventional) |
Engine Configuration
The engine configuration of the 6.6L V8 diesel is designed to provide optimal performance and reliability. Here are some key aspects of its configuration:
Engine Layout
– V8 configuration with eight cylinders arranged in two banks of four.
– The engine features a cast iron block and aluminum cylinder heads for strength and weight savings.
Fuel Delivery System
– Direct injection technology enhances fuel efficiency and performance.
– The engine is equipped with a high-pressure fuel pump to ensure optimal fuel delivery.
Turbocharging
– The variable geometry turbocharger allows for improved throttle response and power delivery across a wide RPM range.
– This feature contributes to the engine’s ability to produce high torque at low RPMs, making it ideal for towing and hauling.
Engine Oil Specifications
Proper engine oil is crucial for maintaining the performance and longevity of the 6.6L V8 diesel engine. Below are the recommended oil specifications:
Oil Type
-Recommended Oil: 15W-40 Diesel Engine Oil
-Alternative Oil: 5W-40 Synthetic Diesel Engine Oil
Oil Capacity
-Oil Capacity (with filter): Approximately 10 quarts (9.5 liters)
Oil Change Intervals
-Standard Interval: Every 7,500 miles or 6 months, whichever comes first.
-Severe Conditions: If the vehicle is used for towing, heavy loads, or in extreme temperatures, consider changing the oil every 5,000 miles or 3 months.
Service Intervals
Regular maintenance is essential for keeping the 2007 GMC Sierra 2500HD running smoothly. Below is a list of recommended service intervals:
Routine Maintenance Schedule
- Oil Change: Every 7,500 miles (5,000 miles under severe conditions)
- Fuel Filter Replacement: Every 15,000 miles
- Air Filter Replacement: Every 30,000 miles
- Coolant Flush: Every 50,000 miles
- Transmission Fluid Change: Every 30,000 miles
- Brake Fluid Change: Every 2 years
Inspection and Checks
– Regularly check the following:
– Engine oil level and condition
– Coolant level
– Brake fluid level
– Tire pressure and tread depth
– Battery condition
Conclusion
The 2007 GMC Sierra 2500HD equipped with the 6.6L V8 diesel engine is a powerful and reliable choice for those needing a heavy-duty truck. Understanding the engine specifications, configuration, oil requirements, and service intervals is crucial for maintaining optimal performance. Following these guidelines will help ensure that your Sierra 2500HD remains in excellent condition for years to come.
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