2004 GMC Envoy 5.3 Engine Specifications
The 2004 GMC Envoy is a mid-size SUV that offers a robust performance, particularly with its available 5.3-liter V8 engine. This engine is part of General Motors’ family of small-block engines, known for their durability and efficiency. Below are the detailed specifications of the 5.3-liter engine.
| Specification | Details |
|---|---|
| Engine Type | V8, 90-degree |
| Displacement | 5.3 liters (323 cubic inches) |
| Bore x Stroke | 3.78 in x 3.62 in (96.0 mm x 92.0 mm) |
| Compression Ratio | 9.5:1 |
| Maximum Horsepower | 295 hp @ 5,200 rpm |
| Maximum Torque | 330 lb-ft @ 4,400 rpm |
| Fuel System | Sequential fuel injection |
| Fuel Type | Regular unleaded (87 octane) |
| Ignition System | Distributor-less ignition system (DIS) |
| Engine Weight | Approximately 450 lbs (204 kg) |
Engine Configuration
The 2004 GMC Envoy’s 5.3-liter engine features a V8 configuration, which is well-regarded for its balance of power and smooth operation. The engine is designed with a number of key features that enhance performance and efficiency:
Key Features
- Aluminum Cylinder Heads: These contribute to weight savings and improved thermal efficiency.
- Active Fuel Management (AFM): This technology allows the engine to deactivate half of its cylinders under light-load conditions, improving fuel economy.
- Variable Valve Timing (VVT): Enhances performance and efficiency by optimizing valve timing based on engine speed and load.
- Cast Iron Block: Provides durability and strength, essential for a vehicle designed for towing and off-road capabilities.
The engine’s design allows it to deliver a strong performance, making it suitable for a variety of driving conditions, from city commuting to highway cruising and off-road adventures.
Engine Oil Specifications & Service Intervals
Proper maintenance of the engine oil is crucial for the longevity and performance of the 2004 GMC Envoy’s 5.3-liter engine. Below are the recommended oil specifications and service intervals.
Engine Oil Specifications
| Specification | Details |
|---|---|
| Oil Type | SAE 5W-30 |
| Oil Capacity (with filter) | 6 quarts (5.7 liters) |
| Oil Change Interval | Every 3,000 to 5,000 miles (or every 3 to 6 months) |
| Oil Filter Type | AC Delco PF46 or equivalent |
Service Intervals
Maintaining the engine oil and filter is essential for optimal engine performance. Here are the recommended service intervals:
- Regular Oil Changes: Change the oil and filter every 3,000 to 5,000 miles, depending on driving conditions.
- Check Oil Level: Regularly check the oil level, especially before long trips or towing.
- Inspect for Leaks: Periodically inspect the engine for any signs of oil leaks or contamination.
- Use Quality Oil: Always use high-quality oil that meets the specifications outlined above.
Conclusion
The 2004 GMC Envoy with the 5.3-liter V8 engine offers a blend of power, efficiency, and reliability. Understanding the engine specifications, configuration, and maintenance requirements is vital for ensuring the vehicle operates at its best. Regular oil changes and adherence to service intervals will help maintain engine performance and longevity, making the Envoy a dependable choice for drivers seeking a capable SUV.
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